Ptycholepis marshi Newberry
Subtitle: a chondrostean fish from the Newark group of Eastern North America
By: Bobb Schaeffer --, David H. Dunkle --, Nicholas G. McDonald --.
Contributors: Dunkle, David Hosbrook joint author; McDonald, Nicholas G. joint author
Series: Fieldiana -- v. 33, no. 12; Field Museum of Natural History. Publication -- 1220; Publication (Field Museum of Natural History) -- 1220
Publisher: Field Museum of Natural History
Published: 1975
Place of publication: Chicago
Subjects: Paleontology -- Triassic.; Paleontology -- Northeastern states.; Ptycholepis marshi; Paleontology -- Virginia.
Other titles: Ptycholepis marshi