Author: Smith J.P.,
Title: Upper Triassic marine invertebrate faunas of North America
Description: 1927. In 4to, original wrappers, pp. 387 with 121pls. with facing captions (109 on molluscs). U.S. Geological Survey Prof. Pap. 141. Ex Library stamps and ticket but very good copy

Keywords: shells fossil paleontology geology


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