AviculopectenW
Aviculopecten
ChesapectenW
Chesapecten
Cucullaea giganteaW
Cucullaea gigantea
GryphaeaW
Gryphaea
HippuritesW
Hippurites
InoceramusW
Inoceramus
LaevitrigoniaW
Laevitrigonia
MyophorellaW
Myophorella
NeitheaW
Neithea
PterotrigoniaW
Pterotrigonia
VolviceramusW
Volviceramus