''Xymenopsis muriciformis'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Muricidae Muricidae is a large and varied taxonomic family of small to large predatory sea snails, marine gastropod mollusks, commonly known as murex snails or rock snails. With over 1,700 living species, the Muricidae represent almost 10% of the Neog ...

, the murex snails or rock snails.

Description

The length of the shell attains 42 mm. (Described as ''Buccinum cancellarioides'') The yellowish shell is ovately fusiform and rather thin. The

whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). In nature File:Photograph and axial plane floral diagra ...

s are rounded at the upper part, concentrically plicately ribbed and transversely engraved. Reeve, L. A. (1846-1847). Monograph of the genus Buccinum. In: Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 3, pl. 1-14 and unpaginated text. L. Reeve & Co., London
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Distribution

This marine species occurs off

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

References

External links

King, P. P. (1832). Description of the Cirrhipeda, Conchifera and Mollusca, in a collection formed by the officers of H.M.S. Adventure and Beagle employed between the years 1826 and 1830 in surveying the southern coasts of South America, including the Straits of Magalhaens and the coast of Tierra del Fuego. Zoological Journal. 5(125): 332-349

Philippi, [R.
A. (1845). Diagnosen einiger neuen Conchylien. Archiv für Naturgeschichte. 11: 50-71">."> Philippi, [R.
A. (1845). Diagnosen einiger neuen Conchylien. Archiv für Naturgeschichte. 11: 50-71
Gould, A. A. (1849). (Descriptions of new species of shells, brought home by the U. S. Exploring Expedition). Proceedings of the Boston Society of Natural History. 3: 83-85, 89-92, 106-108, 118-121

Strebel, H. (1904). Beiträge zur Kenntnis der Molluskenfauna der Magelhaen-Provinz. Zoologische Jahrbücher, Abteilung für Systematik, Geographie und Biologie der Tiere. 21: 171-248, pls 3-8.

Küster, H. C.; Kobelt, W. (1839-1878). Die geschwänzten und bewehrten Purpurschnecken (Murex, Ranella, Tritonium, Trophon, Hindsia). In Abbildungen nach der Natur mit Beschreibungen. In: Systematisches Conchylien Cabinet von Martini und Chemnitz, ed. 2, Vol. 3(2): 1-336, pls 1-77. Nürnberg: Bauer & Raspe. Published in parts: Pls 1-12

Rochebrune A.-T. de & Mabille J.. (1889). ''Mollusques''. in: Mission Scientifique du Cap Horn 1882–1883. Tome 6 (Zoologie 2, part 8). Paris, Gauthiers-Villars. H.1-H.129, pls. 1–8
{{DEFAULTSORT:Xymenopsis Muriciformis Gastropods described in 1833 Xymenopsis