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The Pennsylvanian Gastropod Genera Cyclozyga and Helminthozyga and the Classification of the Pseudozygopleuridae
R. D. Hoare and M. T. SturgeonVolume:
52
Language:
english
Journal:
Journal of Paleontology
DOI:
10.2307/1303905
Date:
July, 1978
File:
PDF, 1.33 MB
english, 1978