The systematic relationships of certain American arthrodires. Bulletin of the AMNH ; v. 26, article 20.

Hussakof, Louis, 1881-2005-10-062005-10-061909http://hdl.handle.net/2246/1449p. 263-272, [1] leaf of plates : ill. ; 24 cm.Includes bibliographical references.2065965 bytesapplication/pdfen-USQH1 .A4 vol.26, art.20, 1909Arthrodira -- United States.Fishes, Fossil -- United States.Paleontology -- Devonian -- United States.Paleontology -- United States.The systematic relationships of certain American arthrodires. Bulletin of the AMNH ; v. 26, article 20.Relationships of American arthrodirestext