| Tlayúa Formation Stratigraphic range: Albian |
|
|---|---|
| Type | Geological formation |
| Location | |
| Region | Puebla |
| Country | Mexico |
The Tlayúa Formation is an Early Cretaceous (late Albian) geological formation near Tepexi de Rodríguez, Puebla, Central Mexico.[1]
| Genus | Species | Abundance | Notes |
|---|---|---|---|
|
H. mixtecus |
A possible basal iguanian | ||
|
P. tlayuaensis |
An osteoderm-covered sphenodontian | ||
|
Ankylosphenodon[2] |
A. pachyostosus |
An aquatic sphenodontian | |
|
Tepexisaurus[3] |
T. tepexii |
A basal scincomorph |
Cyanobacteria, foraminifera, algae, gymnosperms, sponges, cnidarians, annelids, gastropods, ammonites, bivalves, arachnids, insects, isopods, anomurans, brachyurans, crinoids, echinoids, holothuroids, stelleroids, ophiuroids, fishes, chelonians, pterosaurs, and crocodiles have also been recovered from the Tlayúa Formation.[4]