Aprox. 103-104 Million Years Ago
Echinoid Goniopygus zitelli
Bivalve Neithea duplicicosta
Bivalve Chondrodonta munsoni
Gastropod Turritella kerrvillensis
Gastropod Amauropsis avellana
Gastropod Nerinea pellucida
Gastropod Ceritella proctori
Gastropod Monodonta texana
Gastropod Nerinea cultrispira
Gastropod Nerinia kerrvillensis
Rudist Eoradiolites davidsoni
Rudist Caprinuloidea crassifibra
Rudist Eoradiolites quadratus
Rudist Monopleura pinguiscula
Rudist Caprinuloidea gracilis