Iniopterygia
Subtitle: a new order of Chondrichthyan fishes from the Pennsylvanian of North America
By: Rainer Zangerl [and] Gerard R. Case.
Contributors: Case, Gerard Ramon.
Series: Fieldiana : geology, memoirs -- v.6; [Field Museum of Natural History] Publication -- 1167
Publisher: Field Museum of Natural History
Published: 1973
Place of publication: Chicago
Subjects: Chondrichthyes, Fossil.; Paleontology -- Pennsylvanian.; Paleontology -- North America.