Diplocaulus
Subtitle: a study in growth and variation
By: Everett Claire Olson --
Contributors: Roy, Sharat Kumar, 1897-1962, joint editor; Ross, Lillian A. joint editor
Series: Chicago Natural History Museum. Publication -- 658; Fieldiana: geology -- v. 11, no. 2; Publication (Chicago Natural History Museum) -- 658.; Fieldiana -- v. 11, no. 2
Publisher: Chicago Natural History Museum Press
Published: 1951
Place of publication: [Chicago]
Subjects: Diplocaulus.