Bulletin, Ausgabe 70

Alexander anterad Atlantic Coastal Plain Bairdoppilata Berry biconvexity Black Creek Brachycythere broadly and evenly Brown bulbous Bull Cape Fear River Carapace Carapace small cardinal angle compressed concrescence crenulate Cythereis Cytherella Cytherelloidea Cytheridea Haplocytheridea Cytheropteron Dimensions Dorsal view Eocene evenly rounded Exogyra extends exterior figs Figures furrows genus glauconitic height hingement holotype inflated interior Jennings Jour larger than right lateral view ledaforma Israelsky Left side view Left valve larger length Line of concrescence localities male margin broadly rounded Mesozoic microfossils Neuse River North Carolina Occurrence Orthonotacythere Ostracoda and Foraminifera outcrop overlap Paleocene Paleontology paratype Peedee formation Plate posterad posterior margin less postero-ventral postjacent present specimens punctate Remarks reticulate Right side view Right valve Schmidt shell sinuous slightly Snow Hill marl socket spines subsurface sulcus surface Survey Prof Swain terior margin Texas Univ Trachyleberis tubercle U. S. Geol Upper Cretaceous Velarocythere ventral margin straight Ventral view