Obesotoma simplex explained

Obesotoma simplex is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.

Description

The length of the shell varies between 7 mm and 20 mm.

The shell is whitish or flesh-white, under a livid olivaceous epidermis. It is smooth, or with fine spiral striae. The aperture is violaceous to white.^[1]

Distribution

This species occurs in European waters and in the Northwest Atlantic Ocean off Svalbard and in the Barents Sea; also in the Bering Strait and in the Sea of Okhotsk

References

• Middendorff, A.T. (1849) Beitrage zu einer Malacozoologia Rossica. II. Aufzahlung und Beschretbung der zur Meeresfauna Russlands gehorigen Einschaler. Memoires de l'Academie Imperiale des Sciences de Saint-Petersbourg, Serie 6. Sciences Mathematique, Physique et Naturelles, 8 (5–6) : 329–516 (In reprint pp. 1–187)
• Sars, 1878. Bidrag til Kundskaben om Norges Artktische Fauna. I. Mollusca Regionis Articae Norvegiae
• Bogdanov I.P. 1990. Molluscs of the subfamily Oenopotinae (Gastropoda, Pectinibranchia, Turridae) of the seas of the USSR. Fauna SSSR, Molluski, 5(3): 1–223 [In Russian]. (Description of shell and radula; distributional map).
• Brunel, P., L. Bosse, and G. Lamarche. 1998. Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. Canadian Special Publication of Fisheries and Aquatic Sciences, 126. 405 p
• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213

External links

• • Tucker, J.K. 2004 Catalog of recent and fossil turrids (Mollusca: Gastropoda). Zootaxa 682:1–1295.

Notes and References

1. https://archive.org/details/manualconch06tryorich G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences