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First fossil species of the chemosynthetic-community gastropod Provanna: localized cold-seep limestones in Upper Eocene and Oligocene rocks, Washington
Vol 38, Page 30
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Judaphos, a new genus of buccinid gastropod from the Neogene of Costa Rica
Vol 38, Page 43
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Recent and Tertiary Trochaclididae from the southwest Pacific (Mollusca: Gastropoda: Trochoidea)
Vol 38, Page 92
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Polygyrid land snails, Vespericola (Gastropoda: Pulmonata), 2. Taxonomic status of Vespericola megasoma (Pilsbry) and V. karokorum Talmadge
Vol 38, Page 133
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Zygomelon zodion, a new genus and species of bathyal volute from New Zealand
Vol 38, Page 145
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A second species of Haustellotyphis (Gastropoda: Typhidae) from Costa Rica
Vol 38, Page 158
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Revised taxonomy of some species of the genus Okenia Menke, 1830 (Mollusca: Nudibranchia) from the Atlantic Ocean, with the description of a new species
Vol 38, Page 223
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New species of Middle Eocene gastropods from the Northern Doty Hills, southwestern Washington
Vol 38, Page 254
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Concholepas Lamarck, 1801 (Neogastropoda: Muricoidea): a Neogene genus native to South America
Vol 38, Page 284
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Reproductive anatomy of Vespericola shasta (Berry, 1921) (Gastropoda: Pulmonata: Polygyridae), and descriptions of two new species of Vespericola from northern California
Vol 38, Page 304
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New freshwater snails of the genus Pyrgulopsis (Rissooidea: Hydrobiidae) from California
Vol 38, Page 343
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Bulimulidae: Catalog of Species, by C. Leonard Richardson
Vol 38, Page 374