''Ptychobela nodulosa'' is a species of

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk in the family

Pseudomelatomidae Pseudomelatomidae is a family of predatory sea snails, marine gastropods included in the superfamily Conoidea (previously Conacea) and part of the Neogastropoda ( Bouchet & Rocroi, 2005). In 1995 Kantor elevated the subfamily Pseudomelatomina ...

, the turrids and allies.MolluscaBase (2018). Ptychobela nodulosa (Gmelin, 1791). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=579019 on 2019-01-17

Description

The length of the shell varies between 34 mm and 50 mm.

Distribution

This marine species occurs off Western Australia; also found off Western India

References

* Gmelin J.F. 1791. Caroli a Linné. Systema Naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Lipsiae : Georg. Emanuel. Beer Vermes. Vol. 1(Part 6) pp. 3021–3910. fficially regarded by the ICZN Opinion 296 (26 Oct 1954) as the 13th edition of Systema Naturae * Lamarck, J.B.P.A. de M. 1816. Liste des objets représentés dans les planches de cette livraison. pp. 1-16 in Lamarck, J.B.P.A. de M. Tableau encyclopédique et méthodique des trois règnes de la nature. Vers, coquilles, mollusques et polypiers. Paris : Agasse Part 23 pp. 1-16, pls 391-488. * Lamarck, J.B.P.A. de M. 1822. ''Histoire naturelle des Animaux sans Vertèbres''. Paris : J.B. Lamarck Vol. 7 711 pp. * Thiele, J. 1925. ''Gastropoda der Deutschen Tiefsee-Expedition. II. Teil. pp. in Chun, C. Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Damfper "Valdivia" 1898–1899''. Jena : Gustav Fischer Vol. 17(2) 348 pp., 34 pls. * Powell, A.W.B. 1966. ''The molluscan families Speightiidae and Turridae, an evaluation of the valid taxa, both Recent and fossil, with list of characteristic species.'' Bulletin of the Auckland Institute and Museum. Auckland, New Zealand 5: 1–184, pls 1–23 * Taylor, J. D. (1982). Diets of sublittoral predatory gastropods of Hong Kong. In: Proceedings of the first international marine biological workshop: The marine flora and fauna of Hong Kong and southern China (ed. Morton, B.), vol. 2, pp907-920. Hong Kong University Press, Hong Kong.
Wells, F.E. 1994. ''A revision of the Recent Australian species of the turrid genera Inquisitor and Ptychobela''. Journal of the Malacological Society of Australasia 15: 71-102
* Wilson, B. 1994. ''Australian marine shells. Prosobranch gastropods.'' Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp.

External links

*
Smith E.A. (1877). ''Diagnoses of new species of Pleurotomidae in the British Museum''. Annals and Magazine of Natural History. ser. 4, 19: 488-501
nodulosa Gastropods described in 1791 Gastropods of Australia {{Pseudomelatomidae-stub