Small, silicified rostroconchs are present in the late Wolfcampian Bird Spring Formation in Nevada. Hadropipetta nevadaensis new species, Minycardita sectilis new genus and species, and Baiosoma sp. are described.
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Journal of Paleontology
Vol. 77 • No. 5
July 2003
Vol. 77 • No. 5
July 2003