Appendix

The nonavian megafauna of the main fossiliferous layer (Basal Hornerstown Formation), at the Inversand Company marl pit, Sewell, Gloucester County, New Jersey is listed below. Also found in the deposits were numerous coprolites of sharks and crocodilians, some amber, phosphatized wood, and a few seeds. Voucher specimens are in the collections of the New Jersey State Museum, Academy of Natural Sciences of Philadelphia, and Yale University (Princeton University collections).

Brachiopoda

Terebratulina atlantica (Morton)

Gastropoda

Gyrodes abyssinus (Morton) Acteon cretacea Gabb Anchura abrupta Conrad Turbinella parva Gabb Lunatia halli Gabb Pyropsis trochiformis (Tuomey) Volutoderma ovata Whitfield Turbinella subconica Gabb Turritella vertebroides Morton

Pelecypoda

Cardium tenuistriatum Whitfield Glycymeris mortoni (Conrad) Gryphaea convexa (Say) Gervilliopsis ensiformis (Conrad) Panopea decisa Conrad Veniella conradi Morton Crassatella vadosa Morton Cucullaea vulgaris Morton Lithophaga ripleyana Gabb Xylophagella irregularis (Gabb) Nuculana stephensoni Richards Etea delawarensis (Gabb)

Nautiloidea

Eutrephoceras dekayi (Morton)

Ammonoidea

Baculites ovatus Say Sphenodiscus lobatus (Tuomey) Pachydiscus (Neodesmoceras) sp.

Crustacea

cf. Hoploparia sp.

Chondrichthyes

Lamma appendiculata (Agassiz) Odontaspis cuspidata (Agassiz) Squalicorax pristodontus (Morton) Hexanchus sp. Edaphodon stenobryus (Cope) Edaphodon mirificus Leidy Ischyodus cf. I. thurmanni Pictet and Campiche Squatina sp. Myliobatis cf. M. leidyi Hay Ischyrhiza mira Leidy Rhinoptera sp. cf. Rhombodus levis Cappetta and Case

Osteichthyes

Enchodus cf. E. ferox Leidy Enchodus cf. E. serrulalus Fowler Paralbula casei Estes

Chelonia

Adocus beatus Leidy Osteopygis emarginatus Cope Taphrospys sulcatus (Leidy) Dollochelys atlantica (Zangerl)

Crocodilia

cf. Procaimanoidea sp. Hyposaurus rogersii Owen Thoracosaurus sp. Bottosaurus harlani Meyer Diplocynodon sp.

Lacertilia

Mosasaurus sp. Plioplatecarpus sp.