Teiid and anguid lizards are known from the formation.

Opipeuter xestus, or the River Teiid, is a species of lizard in the Gymnophthalmidae family.

S. spinicauda is usually only found in teiid lizards; it may have entered the archipelago when Tupinambis merianae, a teiid, was introduced to the island in 1960.

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The only known host is the teiid lizard Kentropyx calcarata.

P. kentropyxi - teiid lizard (Kentropyx calcarata)

Acroeimeria cnemidophori - teiid lizard (Cnemidophorus lemniscatus lemniscatus)

Acroeimeria pintoi - teiid lizard (Ameiva ameiva)

H. stellata - teiid lizard (Ameiva ameiva), cane toad (Bufo marinus)

S. ameivamastigodryasi - teiid lizard (Ameiva ameiva) - Rio tropical racer (Mastigodryas bifossatus)

A large-scale phylogenetic analysis of squamates conducted by Conrad (2008) found polyglyphanodontians (called Polyglyphanodontidae by Conrad) to be closely related to teiid lizards.

P. pifanoi - the green ameiva lizard (Ameiva ameiva) and a teiid lizard (Kentropyx calcarata)

S. spinicauda is usually only found in teiid lizards; it may have entered the archipelago when Tupinambis merianae, a teiid, was introduced to the island in 1960.

Ajkaceratops shared its environment with other dinosaurs such as Rhabdodon, nodosaurid ankylosaurs, and theropods, as well as non-dinosaurian eusuchian crocodiles, azhdarchid pterosaurs, bothremydid turtles, teiid lizards, and enantiornithine birds.

The site has produced the largest and most diverse fauna of Late Cretaceous terrestrial animals from eastern North America, including the type specimens of the teiid lizard Prototeius stageri and the batrachosauroidid salamander Parrisia neocesariensis.