On the systematic position of the genus Discosorus Hall and related genera. American Museum novitates ; no. 512

Teichert, Curt, 1905-2005-10-062005-10-061931http://hdl.handle.net/2246/409911 p. : ill. ; 24 cm.Includes bibliographical references.1801307 bytesapplication/pdfen-USQL1 .A436 no.512, 1931Discosorus.Discosorida.Cephalopoda, Fossil.Mollusks, Fossil.On the systematic position of the genus Discosorus Hall and related genera. American Museum novitates ; no. 512Position of the genus Discosorustext