R. G. Zweifel 1956

Full reference
R. G. Zweifel. 1956. Two pelobatid frogs from the Tertiary of North America and their relationships to fossil and recent forms. American Museum Novitates 1762:1-45 [E. Fara/E. Fara/J. Alroy]
Metadata
ID number:  4366
Created:  2002-03-04 16:40:39
Modified:  2007-05-06 17:32:01
Project name:  5% 43360
Publication type:  journal article
Taxonomy:  stated without evidence
Language:  English
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