On the morphology of the lower jaw of Stegocephalia with special referecne to Eotriassic stegocephalians from Spitsbergen 
By: by Tage Nilsson ...
Series: Kungl. Svenska vetenskapsakademiens handlingar,; bd. 20, n:o 9; bd. 21, n:o 1
Publisher: Almqvist & Wiksells boktryckeri-a.-b.
Published: 1943
Place of publication: Stockholm
Language: eng
Subjects: Stegocephali.; Jaws.
Notes: Bibliography: v. 1, p. 42-43.
Table of contents: title: I. Descriptive part.