Unnamed non-humanoids (unknown era)
The following is a list of unidentified non-humanoid species from unknown eras.

Dinosaur-like creature 

A painting of this spike-backed creature was observed by an  away team on the wall of a 4,000-year-old building on an unnamed planet. It was in the same scene as a humanoid, suggesting that they coexisted. ()

Kyrian museum exhibits 
These non-humanoids were on display at the Museum of Kyrian Heritage, circa 3074. ()

M-113 carving lifeforms 
The ruins on the planet M-113 contained sculptures depicting a diverse range of creatures. ()

Sarpeidon ice age animals 
 
These animals were the source of Zarabeth's food and clothing. Spock ate some of the animal flesh when he was stranded on Sarpeidon with Leonard McCoy. ()
 Unnamed non-humanoids (unknown era)
Non-humanoids (unknown era)
 
de:Kyrianischer Pterodactyl