Paja FormationW
Paja Formation
AcanthoptychocerasW
Acanthoptychoceras
AcostasaurusW
Acostasaurus
AncylocerasW
Ancyloceras
CallawayasaurusW
Callawayasaurus
CrioceratitesW
Crioceratites
Desmatochelys padillaiW
Desmatochelys padillai
HeinziaW
Heinzia
KronosaurusW
Kronosaurus
LeyvachelysW
Leyvachelys
OlcostephanusW
Olcostephanus
PadillasaurusW
Padillasaurus
PhyllocerasW
Phylloceras
PlatypterygiusW
Platypterygius
PseudocriocerasW
Pseudocrioceras
SachicasaurusW
Sachicasaurus
TeredolitesW
Teredolites