Author: Solem A. & Yochelson E.L.,
Title: North American Paleozoic land snails, with a summary of other Paleozoic nonmarine snails
Description: 1979. In 4to, original wrp., pp. 65 with 10 pls., 6 figs. and 6 tabs. Geol. Surv. Prof. Pap.. 1072. Ex Library stamps but a near fine copy. A review of Pennsyluanian and early Permian terrestrial forms, demonstrating the early diversification of the Pulmonata

Keywords: shells fossil paleontology geology


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