The disputed structures of the Mesonacidae and their significance. American Museum novitates ; no. 475

Bell, Gordon K.2005-10-062005-10-061931http://hdl.handle.net/2246/384223 p. : ill. ; 24 cm.Includes bibliographical references (p. 22-23).4084533 bytesapplication/pdfen-USQL1 .A436 no.475, 1931Mesonacidae -- Anatomy.Trilobites -- Pennsylvania.Trilobites -- Vermont.Arthropoda, Fossil -- Pennsylvania.Arthropoda, Fossil -- Vermont.Paleontology -- Cambrian -- Pennsylvania.Paleontology -- Cambrian -- Vermont.Paleontology -- Pennsylvania.Paleontology -- Vermont.The disputed structures of the Mesonacidae and their significance. American Museum novitates ; no. 475text