Author: Smith B.,
Title: Observations on gastropod protoconchs part III: Some protoconchs in Busycon, Fusinus, Heilprinia, Hesperisternia, and Urosalpinx
Description: 1946. In folio, offp., pp. 20 with 1 pl. Offprint from Palaeontographica Americana vol. 3 n. 21.

Keywords: shells molluscs


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