Re: Evolutionary biology questions...seems things have changed in 20 y
Taxonomy is in a constant state of debate.
A Clade is essentially "everything descended from X."
'Homonin' refers to only our direct ancestors whereas 'Homonid' is a looser term that includes those ancestors and their closely related species. Since we aren't exactly sure which begat which in many cases, Homonin is something of an optimistic classification to create with only our current knowledge to define it.
"There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization. If there are such things as angels, I hope that they are organized along the lines of the Maffia." - Winston Niles Rumfoord.