The Abramsverse Enterprise is still Constitution-class. And Memory Alpha does have an entry on the ship.
It's a Constitution-class ship built with heavy artilery

The Abramsverse Enterprise is still Constitution-class. And Memory Alpha does have an entry on the ship.
When the Enterprise ran into sister ships they were indistinguishable from her
The NuEnterprise is still a Constitution-class vessel. Some things never change, even if they end up looking a lot different.
Where in STVI does anyone say Excelsior is the "only" ship bigger than the Enterprise?
What it basically comes down to is that at point of attack where the timeline split, the constitution project was already in its early phases. When the Nerada showed up, the original design could not cut it against this new threat so either they built a larger ship than originally planned. The design was different and it was delayed about a decade, but the project name of constitution was still attached to it.
We use essential cookies to make this site work, and optional cookies to enhance your experience.