Arca subelongata Conrad, 1857 † (original description)
Astarte texana Conrad, 1857 † (original description)
Buccinopsis Conrad, 1857 † (original description)
Buccinopsis parryi Conrad, 1857 † (original description)
Cardita eminula Conrad, 1857 † (original description)
Cardita subtetrica Conrad, 1857 † (original description)
Cardium congestum Conrad, 1857 † (original description)
Cardium mediale Conrad, 1857 † (original description)
Corbula occidentalis Conrad, 1857 † (original description)
Cucullaea terminalis Conrad, 1857 † (original description)
Inoceramus texanus Conrad, 1857 † (original description)
Lima leonensis Conrad, 1857 † (original description)
Natica collina Conrad, 1857 † (original description)
Natica texana Conrad, 1857 † (original description)
Nerinea schottii Conrad, 1857 † (original description)
Ostrea bella Conrad, 1857 † (original description)
Ostrea cortex Conrad, 1857 † (original description)
Ostrea lugubris Conrad, 1857 † (original description)
Ostrea multilirata Conrad, 1857 † (original description)
Ostrea robusta Conrad, 1857 † (original description)
Ostrea veleniana Conrad, 1857 † (original description)
Ostrea vellicata Conrad, 1857 † (original description)
Pholadomya texana Conrad, 1857 † (original description)
Plicatula incongrua Conrad, 1857 † (original description)
Trigonia emoryi Conrad, 1857 † accepted as Praescabrotrigonia emoryi (Conrad, 1857) † (original description)
Trigonia texana Conrad, 1857 † (original description)
Turritella leonensis Conrad, 1857 † (original description)
Turritella planilateralis Conrad, 1857 † (original description)
Venus vespertina Conrad, 1857 † (original description)