The Devonian "lamprey", Palaeospondylus gunni, Traquair
Subtitle: with notes on the systematic arrangement of the fish-like vertebrates
By: Bashford Dean.
Series: Memoirs / New York Academy of Sciences -- v. 2, pt. 1; Memoirs (New York Academy of Sciences) -- v. 2, pt. 1.
Publisher: New York Academy of Sciences
Published: 1900
Place of publication: New York
Language: eng
Number of pages: 32
Subjects: Fishes, Fossil
Notes: Includes bibliographical references (p. 30).