Morphological observations on the bellerophont Ptomatis patulus (Hall) (Gastropoda, Bellerophontacea). American Museum novitates ; no. 2242

Rollins, Harold B., 1939-2005-10-062005-10-061966http://hdl.handle.net/2246/32717 p. : ill. ; 24 cm.Includes bibliographical references (p. 6-7).1495214 bytesapplication/pdfen-USQL1 .A436 no.2242, 1966Ptomatis patulus.Cyrtonella mitella.Gastropoda, Fossil -- New York (State)Mollusks, Fossil -- New York (State)Paleontology -- Devonian -- New York (State)Paleontology -- New York (State)Morphological observations on the bellerophont Ptomatis patulus (Hall) (Gastropoda, Bellerophontacea). American Museum novitates ; no. 2242text