I'm trying to list every canon species that was not named in the movies and TV series, but was then given a name in the books and other sources. Please tell me if I've missed any.
Beauregard's species: The Man Trap (1966)
Terrestrius manus: Star Fleet Medical Reference Manual (1977)
Beauregard Weeper: The Worlds Of The Federation (1989)
Baldric plant: Star Trek II Biographies (1982)
rodent-like creatures on Dimorus: Where No Man Has Gone Before (1966) [mentioned]
Dimorans: Star Trek Vol 2 #64 (1994)
Dimorusians: The Worlds Of The Federation (1989)
dog-like animal: The Enemy Within (1966)
Alfa 117 Canines: Star Trek Online (2010-2021)
Canis Alfa: Star Trek Maps (1980)
Balok’s species: The Corbomite Maneuver (1966)
Fesarians: Seekers: Second Nature (2014)
Linnik: The Face Of The Unknown (2016)
Taurus II natives: The Galileo Seven (1967)
Taureans: The Worlds Of The Federation (1989)
Trelane’s species: The Squire Of Gothos (1967)
Q: Q-Squared (1994)
Betans: The Return Of The Archons (1967)
Landrusians: The Federation (1986)
Berengaria VII dragon: This Side Of Paradise (1967) [mentioned]
Draco berengarius: Worlds Of Deep Space Nine: Fragments And Omens (2005)
parasites that invaded Deneva: Operation - Annihilate! (1967)
blastoneurons: Star Fleet Medical Reference Manual (1977)
Denevan neural parasites: Star Trek Encyclopedia (1994)
big-haired aliens: Journey To Babel (1967)
Loktarans: Star Trek Online (2010-2021)
hooded aliens: Journey To Babel (1967)
Makusians: Forgotten History (2012)
Zambeans: Star Trek Online (2010-2021)
short copper-skinned aliens: Journey To Babel (1967)
Dayen: Stardate Magazine #11 (1986)
Ithenites: Infinity’s Prism: A Less Perfect Union (2008)
purple-skinned aliens: Journey To Babel (1967)
Violaceans: Star Trek Online (2010-2021)
Sargon’s species: Return To Tomorrow (1968)
Sargonians: Ex Machina (2004)
Arretians: Watching The Clock (2011)
Gem’s species: The Empath (1968)
Anjurwan: Strange New Worlds II - The Healing Arts (1999)
Gideon natives: The Mark Of Gideon (1969)
Gideonites: The Worlds Of The Federation (1989)
Sarpeidon natives: All Our Yesterdays (1969)
Sarpeids: Time For Yesterday (1988)
Sarpeidons: Star Trek: The Magazine Volume 2, Issue 1 (2001)
Camus II civilization: Turnabout Intruder (1969)
Yiterans: Worlds (2005)
The novel What Price Honor? mentions the Camus system in relation to a race called the Anu'anshee (also known as the Irakua and the Krytallans). The planet Camus II is never mentioned.
Arex’s species: Beyond The Farthest Star (1973)
Edoans: Log Four (1975)
Edosians: StarTrek.com
Saurians: The Federation (1986)
Triexians: Gateways: Cold Wars (2001)
Aleek-Om's species: Yesteryear (1973)
Aurelians: Log One (1974)
Skorr: Yesteryear Text Commentary (2006)
M’Ress’s species: The Survivor (1973) [cartoon], Star Trek IV: The Voyage Home (1986) [live-action]
Caitians: Log Five (1975)
Regulans*: Starfleet Operations Manual (2003)
Star Trek Maps described Regulans as a non-humanoid race. The Worlds Of The Federation described Regulans as humanoid reptilian bipeds.
Magen's species: The Time Trap (1973)
Cygnians: Log Four (1975)
Em/3/Green’s species: The Jihad (1974)
Nasat: The Belly Of The Beast (2000)
Sord’s species: The Jihad (1974)
Gnalish*: Reunion (1991)
The idea that Sord is a Gnalish originated in a conversation between Therin of Andor and Michael Jan Friedman on a forum that is no longer accessible.
yellow aliens: Star Trek: The Motion Picture (1979)
Aaamazzarites: The Making Of Star Trek: The Motion Picture (1980)
Therbians: The Making Of Star Trek: The Motion Picture (1980)
wrinkly grey alien: Star Trek: The Motion Picture (1979)
Arcturians: The Making Of Star Trek: The Motion Picture (1980)
blue alien with a beak: Star Trek: The Motion Picture (1979)
Betelgeusans: Star Trek The Next Generation: Player's Guide (1999)
Betelgeusians: The Making Of Star Trek: The Motion Picture (1980)
alien in black costume: Star Trek: The Motion Picture (1979)
Megarites: The Making Of Star Trek: The Motion Picture (1980)
alien with huge forehead: Star Trek: The Motion Picture (1979)
Rhaandarites: The Making Of Star Trek: The Motion Picture (1980
purple aliens with big eyes: Star Trek: The Motion Picture (1979)
Rigellians: Mego Star Trek - Rigellian (1980)
Saurians: The Making Of Star Trek: The Motion Picture (1980)
aliens with breathing masks: Star Trek: The Motion Picture (1979)
Zaranites: The Making Of Star Trek: The Motion Picture (1980)
Worene’s species: Star Trek: The Motion Picture (1979)
Aulacri: Ex Machina (2004)
Kruge's pet: Star Trek III: The Search For Spock (1984)
jadashha: Star Trek III: Starship Combat Game (1984)
Warrigul: Star Trek Online (2010-2021)
The name Warrigul first appeared in the Star Trek III novelization, where it was the individual name of Kruge’s pet, rather than the name of the species.
Merchantman alien crewman's species: Star Trek III: The Search For Spock (1984)
Sorvalo: Stardate Vol 1 #1 - The Serpent Factor (1984)
Saratoga helmsman’s species: Star Trek IV: The Voyage Home movie (1986)
Deltans*: Star Trek IV: The Voyage Home novel (1986)
Efrosians: Star Trek IV Sourcebook Update (1986)
Atreonids: Aliens (2003)
It's not entirely clear whether or not the Saratoga helmsman from the movie is the same character as the Deltan Saratoga science officer Chitirih Ra-Dreii from the novelization.
The line "It appears to be a probe, Captain" is spoken by the Saratoga helmsman in the movie and by Chitirih Ra-Dreii in the novelization.
However, the line "their call is being carried on an amplification wave of enormous power" is spoken by the Saratoga science officer in the movie and by Chitirih Ra-Dreii in the novelization.
big-headed alien councillor: Star Trek IV: The Voyage Home movie (1986)
Arcadians: Star Trek IV Sourcebook Update (1986)
alien communications officer: Star Trek IV: The Voyage Home movie (1986)
Arkenites: Star Trek IV Sourcebook Update (1986)
aliens with breathing masks: Star Trek IV: The Voyage Home movie (1986)
Aammazaran: Star Trek: The Official Fan Club Magazine #56 (1987)
Zaranites: Star Trek IV Sourcebook Update (1986)
grey-skinned alien councillors: Star Trek IV: The Voyage Home movie (1986)
Ariolo: Star Trek IV Sourcebook Update (1986)
reptilian alien councillor: Star Trek IV: The Voyage Home movie (1986)
Bzzit Khaht: Star Trek IV Sourcebook Update (1986)
reptilian alien councillor: Star Trek IV: The Voyage Home movie (1986)
Kasheeta: Star Trek IV Sourcebook Update (1986)
aliens with gold masks: Star Trek IV: The Voyage Home movie (1986)
Xelatians: Star Trek IV Sourcebook Update (1986)
Farpoint creatures: Encounter At Farpoint (1987)
astrocoelenterates: Orion’s Hounds (2005)
star-jellies: Orion’s Hounds (2005)
skymounts: Orion’s Hounds (2005)
Farpoint Cnidarians: Star Trek Online (2010-2021)
Angel I native: Angel One (1988)
Angelites: Star Trek The Next Generation Officer's Manual (1988)
parasites that took over Starfleet Command: Conspiracy (1988)
Bluegills: Star Trek CCG: All Good Things (2003)
Ramatis III natives: Loud As A Whisper (1989)
Ramatins: Star Trek CCG: Second Edition (2002)
Ramatisians: StarTrek.com
Bre'el IV natives: Deja Q (1990)
Bre'ella: Articles Of The Federation (2005)
Bre'ellians: StarTrek.com
Junior's species: Galaxy's Child (1991)
Alpha Omicron creatures: The Starfleet Survival Guide (2002)
Gekli: Star Trek Online (2010-2021)
Tarchannen III aliens: Identity Crisis (1991)
Tarchannens: StarTrek.com
Tagus III ancient civilization: Qpid (1991)
Imotru: Q-Space (1998)
Peliar Zel natives: The Host (1991)
Pelians: StarTrek.com
Peliars: The Buried Age (2007)
Crewman Dax's species: Star Trek VI: The Undiscovered Country (1991)
Megazoids: Star Trek VI: The Undiscovered Country script - fifth draft (1990)
Zeosians: Star Trek VI: The Undiscovered Country novelization (1992)
solanogen-based aliens: Schisms (1992)
Solanae: Star Trek Online (2010-2021)
tailheads: Emissary episode (1993)
Chandir: Over A Torrent Sea (2009)
alien with bony plates: Emissary episode (1993)
Brunyg: The Buried Age (2007)
alien thief’s species: Emissary episode (1993)
B’kaazi: Emissary novelization (1993)
Markalians: Star Trek CCG: Second Edition (2002)
Regana Tosh was said to be associated with a Markalian smuggling operation in the episode Hippocratic Oath. The CCG confirmed that he actually is a Markalian.
Kolos's species: Q-Less (1993)
Andorans: Q-Less script - final draft (1992)
alien with triangular head: Cardassians (1993)
Shirna: Watching The Clock (2011)
long-faced alien: Armageddon Game (1994)
Gororm: The Buried Age (2007)
Lieutenant Nara’s species: Eye Of The Beholder (1994)
Canopians: Star Trek: Starship Creator (1998)
Tiron's species: Meridian (1994)
Serilians: StarTrek.com
Jaresh-Inyo's species: Homefront (1996)
Grazerites: Homefront script (1995)
alien with bony plates: The Muse (1996)
Rasiinians: Star Trek Communicator #105 (1995)
Mislen native: The Swarm (1996)
Mislenites: StarTrek.com
aliens that experimented on Voyager crew: Scientific Method (1997)
Srivani: Scientific Method script (1997)
Kelemane's species: Blink Of An Eye (2000)
Tahal-Isut: Distant Shores - Eighteen Minutes (2005)
Axum’s species: Unimatrix Zero (2000)
Mysstren: Acts Of Contrition (2014)
Chellik's species: Critical Care (2000)
Jye: Critical Care script - final draft (2000)
Verin’s species: Friendship One (2001)
Uxali: Star Trek Star Charts (2002)
yellow alien: Broken Bow (2001)
Xarantine: Rise Of The Federation: A Choice Of Futures (2013)
butterfly dancers: Broken Bow (2001)
Klimasz: Rise Of The Federation: A Choice Of Futures (2013)
hostile grey-skinned aliens: Silent Enemy (2002)
Shroomies: Star Trek: The Magazine Volume 3, Issue 7 (2002)
Mutes: Rise Of The Federation: A Choice Of Futures (2013)
Vertians: Rise Of The Federation: A Choice Of Futures (2013)
Elachi: Star Trek Online (2010-2021)
Kovaalans: Star Trek Encyclopedia (2016)
The Kovaalan ships from E² are a re-use of the Shroomie ships from Silent Enemy, so the Encyclopedia assumes they're the same race.
Vosk's species: Zero Hour (2004)
Na'kuhl: Watching The Clock (2011)
Na'khul: From History's Shadow (2013)
The name Na'kuhl is believed to be from the Storm Front call sheets, although this can't be confirmed.
Keenser’s species: Star Trek (2009)
Roylans: Star Trek Ongoing #14 (2012)
Kelvin alien bridge officer's species: Star Trek (2009)
Monchezkins: Star Trek: Starfleet Academy #2 (2016)
Shenzhou blue alien's species: The Vulcan Hello (2017)
Tulian: Desperate Hours (2017)
There are also some races that had names in the TV series, but were given additional names in the books and in Star Trek Online.
Andorians: Journey To Babel (1967)
andor'ngan: The Needs Of The Many (2010)
Bish'ee: Among The Clans: The Andorians (1999)
homo indi: Star Fleet Medical Reference Manual (1977)
Talish: Among The Clans: The Andorians (1999)
Thalassan: Among The Clans: The Andorians (1999)
Ankari: Equinox (1999)
Species 7690: Distant Shores - Brief Candle (2005)
Antedians: Manhunt (1989)
Antedeans: Star Trek Encyclopedia (1994)
Ardanans: The Cloud Minders (1969)
Ardani: The Federation (1986)
Atreans: Inheritance (1993)
Cray: Inheritance script - first draft
Axanar: Fight Or Flight (2001)
Axanarians: The Four Years War (1986)
Axanari: Star Trek The Original Series: Core Game Book (1999)
Axanarri: My Brother's Keeper: Republic (1999)
Ba'ku / Son'a: Star Trek: Insurrection (1998)
Brek'a: Planets Of The UFP (1999)
Ka'bu: Star Trek: Insurrection novelization (1998)
Barkonians: Thine Own Self (1994)
Korialians: Thine Own Self script - first draft (1993)
Betazoids: Encounter At Farpoint (1987)
Species 1599: Engines Of Destiny (2005)
Breen: Hero Worship (1992) [mentioned], Indiscretion (1995) [seen]
Amoniri: Typhon Pact: Zero Sum Game (2010)
Fenrisal: Typhon Pact: Zero Sum Game (2010)
Kalystarians: Prey: The Hall Of Heroes (2016)
Paclu: Typhon Pact: Zero Sum Game (2010)
Silgov: Section 31: Disavowed (2014)
Silwaan: Typhon Pact: Zero Sum Game (2010)
Vironat: Typhon Pact: Plagues Of Night (2012)
The Silgov mention in Disavowed might be a typo referring to the Silwaan. The Silgov have appeared in other novels where they were not described as members of the Breen Confederacy.
Bynars: 11001001 (1988)
Binars: Star Trek The Next Generation Officer's Manual (1988)
Capellans: Friday's Child (1967)
Cereans: Friday's Child novelization (1969)
Crystalline Entity: Datalore (1988)
branchers: Orion’s Hounds (2005)
Deltans: Star Trek: The Motion Picture (1979)
Dhei'ten: Watching The Clock (2011)
Dhei-ten: Uncertain Logic (2015)
Denebian slime devils: The Trouble With Tribbles (1967) [mentioned]
Denebia carnivora: Star Fleet Medical Reference Manual (1977)
Excalbians: The Savage Curtain (1969)
Excalbia hominidae: Star Fleet Medical Reference Manual (1977)
Gallamites: The Maquis, Part I (1994) [mentioned]
Galamites: Where Sea Meets Sky (1998)
Gorn: Arena (1967)
homo lacertae: Star Fleet Medical Reference Manual (1977)
Gornaran archosaur: The Worlds Of The Federation (1989)
Grizzela: The Ensigns Of Command (1989) [mentioned]
Grisella: Star Trek Encyclopedia (1994)
Hirogen: Hunters (1998)
Species 478: Myriad Universes: Places Of Exile (2008)
Horta: The Devil In The Dark (1967)
Janus hominidae: Star Fleet Medical Reference Manual (1977)
Humans / Terrans
homo sol: Star Fleet Medical Reference Manual (1977)
Kyrrstn'Kwynn: The Worlds Of The Federation (1989)
tera'ngan: The Klingon Dictionary (1992)
Iconians: Contagion (1989) [mentioned]
Species 29: Star Trek Online (2010-2021)
Iyaarans: Liaisons (1993)
Iyarians: Liaisons script - second draft (1993)
Lyaarans: StarTrek.com
Kalar: The Menagerie, Part II (1966)
Kaylar: Star Trek Encyclopedia (1994)
Klingons: Errand Of Mercy (1967)
Daqawlu: Battlestations! (1986)
fusion: The Final Reflection (1984)
Gevish'rae: Faces Of Fire (1992)
HemQuch: Excelsior: Forged In Fire (2007)
homo sagittarii: Star Fleet Medical Reference Manual (1977)
Imperial Race: The Final Reflection (1984)
Kamorh'dag: Faces Of Fire (1992)
Klinzhai: Battlestations! (1986)
Kumburanya: Star Trek III: The Search For Spock novelization (1984)
QuchHa': Summon The Thunder (2006)
Rumaiym: Star Trek III: The Search For Spock novelization (1984)
Wijngan: Battlestations! (1986)
Kzinti: The Time Trap (1973)
K'zinti: Battlestations! (1986)
Kz'nti: Star Trek Maps (1980)
Letheans: Distant Voices (1995)
Lethians: Klingon Honor Guard (1998)
Lissepians: Progress (1993)
Liseppians: StarTrek.com
Medusans: Is There In Truth No Beauty? (1969)
Medeusans: Is There In Truth No Beauty? novelization (1974)
Mordanites: Too Short A Season (1988)
Mordanians: Star Trek The Next Generation First Year Sourcebook (1989)
mugato: A Private Little War (1968)
gumato: A Private Little War novelization (1974)
Mugatu: The Federation (1986)
Neuralese Great Ape: A Private Little War script - first draft (1967)
Nausicaans: Tapestry (1993)
Nausicans: Klingon Honor Guard (1998)
Nihydron: Year Of Hell, Part II (1997)
Species 1184: A Pocket Full Of Lies (2016)
Ocampan: Caretaker (1995)
Okampan: Battle Lines (1999 novel)
Orions: The Menagerie, Part II (1966)
Orionites: Log Four (1975)
Ur'eon: Prime Directive (1990)
Pakleds: Samaritan Snare (1989)
Species 95012: Strange New Worlds 10 - A Dish Served Cold (2007)
Regulan bloodworms: The Trouble With Tribbles (1967) [mentioned], Stratagem (2005) [seen]
Regulani vermis: Star Fleet Medical Reference Manual (1977)
Rigelians / Rigellians: Journey To Babel (1968) [mentioned], Star Trek: The Motion Picture (1979) [seen]
Chelarians: Worlds (2005)
Chelons: The Amazing Stories: Bedside Matters (2000)
Jelna: Rise Of The Federation: Tower Of Babel (2014)
V'gelnians: The Orions: Book Of Common Knowledge (1987)
Zami: Rise Of The Federation: Tower Of Babel (2014)
Rigellian hypnoid: Mudd's Passion (1973)
Rirellian humanoid: Mudd's Passion script - first draft (1973)
Romulans: Balance Of Terror (1966)
Rihannsu: My Enemy, My Ally (1984)
Rom'ielln: Uncertain Logic (2015)
Rom'laans: The Way Of D'Era: The Romulan Star Empire (1999)
Rom'lnz: The Romulans: Starfleet Intelligence Manual (1984)
romuluSngan: The Klingon Dictionary (1992)
Selay: Lonely Among Us (1987)
Selayans: Star Trek The Next Generation Officer's Manual (1988)
Sheliak: The Ensigns Of Command (1989)
Hrathan: The Ensigns Of Command script - first draft (1989)
Species 6339: Infinite Regress (1998)
Octanti: Star Trek Online (2010-2021)
Species 8472: Scorpion (1997)
Groundskeepers: Infinity's Prism: Places Of Exile (2008)
Undine: Star Trek Online (2010-2021)
Sphere Builders: Harbinger (2004)
Tuterians: Star Trek Online (2010-2021)
sur-snakes: The Ambergris Element (1973)
cpheryhm-aj: Log Five (1975)
duitra: The Worlds Of The Federation (1989)
snake-squids: Log Five (1975)
Tarellians: Haven (1987)
Turellians: Star Trek The Next Generation Officer's Manual (1988)
Tellarites: Journey To Babel (1967)
homo cygni: Star Fleet Medical Reference Manual (1977)
tella'ngan: The Needs Of The Many (2010)
Tiburonians: The Way To Eden (1969)
Tiburonese: Star Trek The Original Series: Core Game Book (1999)
Tribbles: The Trouble With Tribbles (1967)
Polygeminus grex: Star Fleet Medical Reference Manual (1977)
yIH: Excelsior: Forged In Fire (2007)
Vaalians: The Apple (1967)
Homo Trianguli: Star Trek Maps (1980)
Vaskans: Living Witness (1998)
Vascans: Personal Log (2001)
Vidiians: Phage (1995)
Vaphorans: Phage script - final draft (1994)
Vidians: Battle Lines (1999 novel)
Vulcans / Vulcanians: The Man Trap (1966)
Eridanians: Shattered Light: The Tears Of Eridanus (2010)
homo eridani: Star Fleet Medical Reference Manual (1977)
vulqangan: The Klingon Dictionary (1992)
Zaldans: Coming Of Age (1988)
Maldans: Starfleet Academy script
The Starfleet Academy script is an early version of the Coming Of Age script.
Zalkonians: Transfigurations (1990)
Falacians: Transfigurations script - first draft (1990)
Beauregard's species: The Man Trap (1966)
Terrestrius manus: Star Fleet Medical Reference Manual (1977)
Beauregard Weeper: The Worlds Of The Federation (1989)
Baldric plant: Star Trek II Biographies (1982)
rodent-like creatures on Dimorus: Where No Man Has Gone Before (1966) [mentioned]
Dimorans: Star Trek Vol 2 #64 (1994)
Dimorusians: The Worlds Of The Federation (1989)
dog-like animal: The Enemy Within (1966)
Alfa 117 Canines: Star Trek Online (2010-2021)
Canis Alfa: Star Trek Maps (1980)
Balok’s species: The Corbomite Maneuver (1966)
Fesarians: Seekers: Second Nature (2014)
Linnik: The Face Of The Unknown (2016)
Taurus II natives: The Galileo Seven (1967)
Taureans: The Worlds Of The Federation (1989)
Trelane’s species: The Squire Of Gothos (1967)
Q: Q-Squared (1994)
Betans: The Return Of The Archons (1967)
Landrusians: The Federation (1986)
Berengaria VII dragon: This Side Of Paradise (1967) [mentioned]
Draco berengarius: Worlds Of Deep Space Nine: Fragments And Omens (2005)
parasites that invaded Deneva: Operation - Annihilate! (1967)
blastoneurons: Star Fleet Medical Reference Manual (1977)
Denevan neural parasites: Star Trek Encyclopedia (1994)
big-haired aliens: Journey To Babel (1967)
Loktarans: Star Trek Online (2010-2021)
hooded aliens: Journey To Babel (1967)
Makusians: Forgotten History (2012)
Zambeans: Star Trek Online (2010-2021)
short copper-skinned aliens: Journey To Babel (1967)
Dayen: Stardate Magazine #11 (1986)
Ithenites: Infinity’s Prism: A Less Perfect Union (2008)
purple-skinned aliens: Journey To Babel (1967)
Violaceans: Star Trek Online (2010-2021)
Sargon’s species: Return To Tomorrow (1968)
Sargonians: Ex Machina (2004)
Arretians: Watching The Clock (2011)
Gem’s species: The Empath (1968)
Anjurwan: Strange New Worlds II - The Healing Arts (1999)
Gideon natives: The Mark Of Gideon (1969)
Gideonites: The Worlds Of The Federation (1989)
Sarpeidon natives: All Our Yesterdays (1969)
Sarpeids: Time For Yesterday (1988)
Sarpeidons: Star Trek: The Magazine Volume 2, Issue 1 (2001)
Camus II civilization: Turnabout Intruder (1969)
Yiterans: Worlds (2005)
The novel What Price Honor? mentions the Camus system in relation to a race called the Anu'anshee (also known as the Irakua and the Krytallans). The planet Camus II is never mentioned.
Arex’s species: Beyond The Farthest Star (1973)
Edoans: Log Four (1975)
Edosians: StarTrek.com
Saurians: The Federation (1986)
Triexians: Gateways: Cold Wars (2001)
Aleek-Om's species: Yesteryear (1973)
Aurelians: Log One (1974)
Skorr: Yesteryear Text Commentary (2006)
M’Ress’s species: The Survivor (1973) [cartoon], Star Trek IV: The Voyage Home (1986) [live-action]
Caitians: Log Five (1975)
Regulans*: Starfleet Operations Manual (2003)
Star Trek Maps described Regulans as a non-humanoid race. The Worlds Of The Federation described Regulans as humanoid reptilian bipeds.
Magen's species: The Time Trap (1973)
Cygnians: Log Four (1975)
Em/3/Green’s species: The Jihad (1974)
Nasat: The Belly Of The Beast (2000)
Sord’s species: The Jihad (1974)
Gnalish*: Reunion (1991)
The idea that Sord is a Gnalish originated in a conversation between Therin of Andor and Michael Jan Friedman on a forum that is no longer accessible.
yellow aliens: Star Trek: The Motion Picture (1979)
Aaamazzarites: The Making Of Star Trek: The Motion Picture (1980)
Therbians: The Making Of Star Trek: The Motion Picture (1980)
wrinkly grey alien: Star Trek: The Motion Picture (1979)
Arcturians: The Making Of Star Trek: The Motion Picture (1980)
blue alien with a beak: Star Trek: The Motion Picture (1979)
Betelgeusans: Star Trek The Next Generation: Player's Guide (1999)
Betelgeusians: The Making Of Star Trek: The Motion Picture (1980)
alien in black costume: Star Trek: The Motion Picture (1979)
Megarites: The Making Of Star Trek: The Motion Picture (1980)
alien with huge forehead: Star Trek: The Motion Picture (1979)
Rhaandarites: The Making Of Star Trek: The Motion Picture (1980
purple aliens with big eyes: Star Trek: The Motion Picture (1979)
Rigellians: Mego Star Trek - Rigellian (1980)
Saurians: The Making Of Star Trek: The Motion Picture (1980)
aliens with breathing masks: Star Trek: The Motion Picture (1979)
Zaranites: The Making Of Star Trek: The Motion Picture (1980)
Worene’s species: Star Trek: The Motion Picture (1979)
Aulacri: Ex Machina (2004)
Kruge's pet: Star Trek III: The Search For Spock (1984)
jadashha: Star Trek III: Starship Combat Game (1984)
Warrigul: Star Trek Online (2010-2021)
The name Warrigul first appeared in the Star Trek III novelization, where it was the individual name of Kruge’s pet, rather than the name of the species.
Merchantman alien crewman's species: Star Trek III: The Search For Spock (1984)
Sorvalo: Stardate Vol 1 #1 - The Serpent Factor (1984)
Saratoga helmsman’s species: Star Trek IV: The Voyage Home movie (1986)
Deltans*: Star Trek IV: The Voyage Home novel (1986)
Efrosians: Star Trek IV Sourcebook Update (1986)
Atreonids: Aliens (2003)
It's not entirely clear whether or not the Saratoga helmsman from the movie is the same character as the Deltan Saratoga science officer Chitirih Ra-Dreii from the novelization.
The line "It appears to be a probe, Captain" is spoken by the Saratoga helmsman in the movie and by Chitirih Ra-Dreii in the novelization.
However, the line "their call is being carried on an amplification wave of enormous power" is spoken by the Saratoga science officer in the movie and by Chitirih Ra-Dreii in the novelization.
big-headed alien councillor: Star Trek IV: The Voyage Home movie (1986)
Arcadians: Star Trek IV Sourcebook Update (1986)
alien communications officer: Star Trek IV: The Voyage Home movie (1986)
Arkenites: Star Trek IV Sourcebook Update (1986)
aliens with breathing masks: Star Trek IV: The Voyage Home movie (1986)
Aammazaran: Star Trek: The Official Fan Club Magazine #56 (1987)
Zaranites: Star Trek IV Sourcebook Update (1986)
grey-skinned alien councillors: Star Trek IV: The Voyage Home movie (1986)
Ariolo: Star Trek IV Sourcebook Update (1986)
reptilian alien councillor: Star Trek IV: The Voyage Home movie (1986)
Bzzit Khaht: Star Trek IV Sourcebook Update (1986)
reptilian alien councillor: Star Trek IV: The Voyage Home movie (1986)
Kasheeta: Star Trek IV Sourcebook Update (1986)
aliens with gold masks: Star Trek IV: The Voyage Home movie (1986)
Xelatians: Star Trek IV Sourcebook Update (1986)
Farpoint creatures: Encounter At Farpoint (1987)
astrocoelenterates: Orion’s Hounds (2005)
star-jellies: Orion’s Hounds (2005)
skymounts: Orion’s Hounds (2005)
Farpoint Cnidarians: Star Trek Online (2010-2021)
Angel I native: Angel One (1988)
Angelites: Star Trek The Next Generation Officer's Manual (1988)
parasites that took over Starfleet Command: Conspiracy (1988)
Bluegills: Star Trek CCG: All Good Things (2003)
Ramatis III natives: Loud As A Whisper (1989)
Ramatins: Star Trek CCG: Second Edition (2002)
Ramatisians: StarTrek.com
Bre'el IV natives: Deja Q (1990)
Bre'ella: Articles Of The Federation (2005)
Bre'ellians: StarTrek.com
Junior's species: Galaxy's Child (1991)
Alpha Omicron creatures: The Starfleet Survival Guide (2002)
Gekli: Star Trek Online (2010-2021)
Tarchannen III aliens: Identity Crisis (1991)
Tarchannens: StarTrek.com
Tagus III ancient civilization: Qpid (1991)
Imotru: Q-Space (1998)
Peliar Zel natives: The Host (1991)
Pelians: StarTrek.com
Peliars: The Buried Age (2007)
Crewman Dax's species: Star Trek VI: The Undiscovered Country (1991)
Megazoids: Star Trek VI: The Undiscovered Country script - fifth draft (1990)
Zeosians: Star Trek VI: The Undiscovered Country novelization (1992)
solanogen-based aliens: Schisms (1992)
Solanae: Star Trek Online (2010-2021)
tailheads: Emissary episode (1993)
Chandir: Over A Torrent Sea (2009)
alien with bony plates: Emissary episode (1993)
Brunyg: The Buried Age (2007)
alien thief’s species: Emissary episode (1993)
B’kaazi: Emissary novelization (1993)
Markalians: Star Trek CCG: Second Edition (2002)
Regana Tosh was said to be associated with a Markalian smuggling operation in the episode Hippocratic Oath. The CCG confirmed that he actually is a Markalian.
Kolos's species: Q-Less (1993)
Andorans: Q-Less script - final draft (1992)
alien with triangular head: Cardassians (1993)
Shirna: Watching The Clock (2011)
long-faced alien: Armageddon Game (1994)
Gororm: The Buried Age (2007)
Lieutenant Nara’s species: Eye Of The Beholder (1994)
Canopians: Star Trek: Starship Creator (1998)
Tiron's species: Meridian (1994)
Serilians: StarTrek.com
Jaresh-Inyo's species: Homefront (1996)
Grazerites: Homefront script (1995)
alien with bony plates: The Muse (1996)
Rasiinians: Star Trek Communicator #105 (1995)
Mislen native: The Swarm (1996)
Mislenites: StarTrek.com
aliens that experimented on Voyager crew: Scientific Method (1997)
Srivani: Scientific Method script (1997)
Kelemane's species: Blink Of An Eye (2000)
Tahal-Isut: Distant Shores - Eighteen Minutes (2005)
Axum’s species: Unimatrix Zero (2000)
Mysstren: Acts Of Contrition (2014)
Chellik's species: Critical Care (2000)
Jye: Critical Care script - final draft (2000)
Verin’s species: Friendship One (2001)
Uxali: Star Trek Star Charts (2002)
yellow alien: Broken Bow (2001)
Xarantine: Rise Of The Federation: A Choice Of Futures (2013)
butterfly dancers: Broken Bow (2001)
Klimasz: Rise Of The Federation: A Choice Of Futures (2013)
hostile grey-skinned aliens: Silent Enemy (2002)
Shroomies: Star Trek: The Magazine Volume 3, Issue 7 (2002)
Mutes: Rise Of The Federation: A Choice Of Futures (2013)
Vertians: Rise Of The Federation: A Choice Of Futures (2013)
Elachi: Star Trek Online (2010-2021)
Kovaalans: Star Trek Encyclopedia (2016)
The Kovaalan ships from E² are a re-use of the Shroomie ships from Silent Enemy, so the Encyclopedia assumes they're the same race.
Vosk's species: Zero Hour (2004)
Na'kuhl: Watching The Clock (2011)
Na'khul: From History's Shadow (2013)
The name Na'kuhl is believed to be from the Storm Front call sheets, although this can't be confirmed.
Keenser’s species: Star Trek (2009)
Roylans: Star Trek Ongoing #14 (2012)
Kelvin alien bridge officer's species: Star Trek (2009)
Monchezkins: Star Trek: Starfleet Academy #2 (2016)
Shenzhou blue alien's species: The Vulcan Hello (2017)
Tulian: Desperate Hours (2017)
There are also some races that had names in the TV series, but were given additional names in the books and in Star Trek Online.
Andorians: Journey To Babel (1967)
andor'ngan: The Needs Of The Many (2010)
Bish'ee: Among The Clans: The Andorians (1999)
homo indi: Star Fleet Medical Reference Manual (1977)
Talish: Among The Clans: The Andorians (1999)
Thalassan: Among The Clans: The Andorians (1999)
Ankari: Equinox (1999)
Species 7690: Distant Shores - Brief Candle (2005)
Antedians: Manhunt (1989)
Antedeans: Star Trek Encyclopedia (1994)
Ardanans: The Cloud Minders (1969)
Ardani: The Federation (1986)
Atreans: Inheritance (1993)
Cray: Inheritance script - first draft
Axanar: Fight Or Flight (2001)
Axanarians: The Four Years War (1986)
Axanari: Star Trek The Original Series: Core Game Book (1999)
Axanarri: My Brother's Keeper: Republic (1999)
Ba'ku / Son'a: Star Trek: Insurrection (1998)
Brek'a: Planets Of The UFP (1999)
Ka'bu: Star Trek: Insurrection novelization (1998)
Barkonians: Thine Own Self (1994)
Korialians: Thine Own Self script - first draft (1993)
Betazoids: Encounter At Farpoint (1987)
Species 1599: Engines Of Destiny (2005)
Breen: Hero Worship (1992) [mentioned], Indiscretion (1995) [seen]
Amoniri: Typhon Pact: Zero Sum Game (2010)
Fenrisal: Typhon Pact: Zero Sum Game (2010)
Kalystarians: Prey: The Hall Of Heroes (2016)
Paclu: Typhon Pact: Zero Sum Game (2010)
Silgov: Section 31: Disavowed (2014)
Silwaan: Typhon Pact: Zero Sum Game (2010)
Vironat: Typhon Pact: Plagues Of Night (2012)
The Silgov mention in Disavowed might be a typo referring to the Silwaan. The Silgov have appeared in other novels where they were not described as members of the Breen Confederacy.
Bynars: 11001001 (1988)
Binars: Star Trek The Next Generation Officer's Manual (1988)
Capellans: Friday's Child (1967)
Cereans: Friday's Child novelization (1969)
Crystalline Entity: Datalore (1988)
branchers: Orion’s Hounds (2005)
Deltans: Star Trek: The Motion Picture (1979)
Dhei'ten: Watching The Clock (2011)
Dhei-ten: Uncertain Logic (2015)
Denebian slime devils: The Trouble With Tribbles (1967) [mentioned]
Denebia carnivora: Star Fleet Medical Reference Manual (1977)
Excalbians: The Savage Curtain (1969)
Excalbia hominidae: Star Fleet Medical Reference Manual (1977)
Gallamites: The Maquis, Part I (1994) [mentioned]
Galamites: Where Sea Meets Sky (1998)
Gorn: Arena (1967)
homo lacertae: Star Fleet Medical Reference Manual (1977)
Gornaran archosaur: The Worlds Of The Federation (1989)
Grizzela: The Ensigns Of Command (1989) [mentioned]
Grisella: Star Trek Encyclopedia (1994)
Hirogen: Hunters (1998)
Species 478: Myriad Universes: Places Of Exile (2008)
Horta: The Devil In The Dark (1967)
Janus hominidae: Star Fleet Medical Reference Manual (1977)
Humans / Terrans
homo sol: Star Fleet Medical Reference Manual (1977)
Kyrrstn'Kwynn: The Worlds Of The Federation (1989)
tera'ngan: The Klingon Dictionary (1992)
Iconians: Contagion (1989) [mentioned]
Species 29: Star Trek Online (2010-2021)
Iyaarans: Liaisons (1993)
Iyarians: Liaisons script - second draft (1993)
Lyaarans: StarTrek.com
Kalar: The Menagerie, Part II (1966)
Kaylar: Star Trek Encyclopedia (1994)
Klingons: Errand Of Mercy (1967)
Daqawlu: Battlestations! (1986)
fusion: The Final Reflection (1984)
Gevish'rae: Faces Of Fire (1992)
HemQuch: Excelsior: Forged In Fire (2007)
homo sagittarii: Star Fleet Medical Reference Manual (1977)
Imperial Race: The Final Reflection (1984)
Kamorh'dag: Faces Of Fire (1992)
Klinzhai: Battlestations! (1986)
Kumburanya: Star Trek III: The Search For Spock novelization (1984)
QuchHa': Summon The Thunder (2006)
Rumaiym: Star Trek III: The Search For Spock novelization (1984)
Wijngan: Battlestations! (1986)
Kzinti: The Time Trap (1973)
K'zinti: Battlestations! (1986)
Kz'nti: Star Trek Maps (1980)
Letheans: Distant Voices (1995)
Lethians: Klingon Honor Guard (1998)
Lissepians: Progress (1993)
Liseppians: StarTrek.com
Medusans: Is There In Truth No Beauty? (1969)
Medeusans: Is There In Truth No Beauty? novelization (1974)
Mordanites: Too Short A Season (1988)
Mordanians: Star Trek The Next Generation First Year Sourcebook (1989)
mugato: A Private Little War (1968)
gumato: A Private Little War novelization (1974)
Mugatu: The Federation (1986)
Neuralese Great Ape: A Private Little War script - first draft (1967)
Nausicaans: Tapestry (1993)
Nausicans: Klingon Honor Guard (1998)
Nihydron: Year Of Hell, Part II (1997)
Species 1184: A Pocket Full Of Lies (2016)
Ocampan: Caretaker (1995)
Okampan: Battle Lines (1999 novel)
Orions: The Menagerie, Part II (1966)
Orionites: Log Four (1975)
Ur'eon: Prime Directive (1990)
Pakleds: Samaritan Snare (1989)
Species 95012: Strange New Worlds 10 - A Dish Served Cold (2007)
Regulan bloodworms: The Trouble With Tribbles (1967) [mentioned], Stratagem (2005) [seen]
Regulani vermis: Star Fleet Medical Reference Manual (1977)
Rigelians / Rigellians: Journey To Babel (1968) [mentioned], Star Trek: The Motion Picture (1979) [seen]
Chelarians: Worlds (2005)
Chelons: The Amazing Stories: Bedside Matters (2000)
Jelna: Rise Of The Federation: Tower Of Babel (2014)
V'gelnians: The Orions: Book Of Common Knowledge (1987)
Zami: Rise Of The Federation: Tower Of Babel (2014)
Rigellian hypnoid: Mudd's Passion (1973)
Rirellian humanoid: Mudd's Passion script - first draft (1973)
Romulans: Balance Of Terror (1966)
Rihannsu: My Enemy, My Ally (1984)
Rom'ielln: Uncertain Logic (2015)
Rom'laans: The Way Of D'Era: The Romulan Star Empire (1999)
Rom'lnz: The Romulans: Starfleet Intelligence Manual (1984)
romuluSngan: The Klingon Dictionary (1992)
Selay: Lonely Among Us (1987)
Selayans: Star Trek The Next Generation Officer's Manual (1988)
Sheliak: The Ensigns Of Command (1989)
Hrathan: The Ensigns Of Command script - first draft (1989)
Species 6339: Infinite Regress (1998)
Octanti: Star Trek Online (2010-2021)
Species 8472: Scorpion (1997)
Groundskeepers: Infinity's Prism: Places Of Exile (2008)
Undine: Star Trek Online (2010-2021)
Sphere Builders: Harbinger (2004)
Tuterians: Star Trek Online (2010-2021)
sur-snakes: The Ambergris Element (1973)
cpheryhm-aj: Log Five (1975)
duitra: The Worlds Of The Federation (1989)
snake-squids: Log Five (1975)
Tarellians: Haven (1987)
Turellians: Star Trek The Next Generation Officer's Manual (1988)
Tellarites: Journey To Babel (1967)
homo cygni: Star Fleet Medical Reference Manual (1977)
tella'ngan: The Needs Of The Many (2010)
Tiburonians: The Way To Eden (1969)
Tiburonese: Star Trek The Original Series: Core Game Book (1999)
Tribbles: The Trouble With Tribbles (1967)
Polygeminus grex: Star Fleet Medical Reference Manual (1977)
yIH: Excelsior: Forged In Fire (2007)
Vaalians: The Apple (1967)
Homo Trianguli: Star Trek Maps (1980)
Vaskans: Living Witness (1998)
Vascans: Personal Log (2001)
Vidiians: Phage (1995)
Vaphorans: Phage script - final draft (1994)
Vidians: Battle Lines (1999 novel)
Vulcans / Vulcanians: The Man Trap (1966)
Eridanians: Shattered Light: The Tears Of Eridanus (2010)
homo eridani: Star Fleet Medical Reference Manual (1977)
vulqangan: The Klingon Dictionary (1992)
Zaldans: Coming Of Age (1988)
Maldans: Starfleet Academy script
The Starfleet Academy script is an early version of the Coming Of Age script.
Zalkonians: Transfigurations (1990)
Falacians: Transfigurations script - first draft (1990)
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