Aesopus Clausiliformis
   HOME

TheInfoList



OR:

''Aesopus clausiliformis'' 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), ...
of
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 ...
Columbellidae The Columbellidae, the dove snails or dove shells, are a family of small sea snails, marine gastropod mollusks in the order Neogastropoda.Bouchet, P.; Gofas, S. (2010). Columbellidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marin ...
, the dove snails.


Description

The size of an adult shell varies between 10 mm and 15 mm. The small, spindle-shaped shell boasts a chestnut hue. It is covered with numerous fine, transverse striations. The
spire A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spire ...
comprises nine slightly convex
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, with the upper ones featuring longitudinal plaiting. The sutures are quite prominent, bordered by small, elongated black and white spots. The brownish
aperture In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...
is narrow and ovate. The outer
lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...
is thin, delicately striated within, while the
columella Lucius Junius Moderatus Columella (, Arabic: ) was a prominent Roman writer on agriculture in the Roman Empire. His in twelve volumes has been completely preserved and forms an important source on Roman agriculture and ancient Roman cuisin ...
is slightly arcuate and smooth, forming a small
siphonal canal The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water i ...
that is emarginated at its base. Kiener (1840). General species and iconography of recent shells : comprising the Massena Museum, the collection of Lamarck, the collection of the Museum of Natural History, and the recent discoveries of travellers; Boston :W.D. Ticknor,1837
(described as ''Buccinum distortum'')


Distribution

This species occurs in the Indian Ocean off
Mauritius Mauritius, officially the Republic of Mauritius, is an island country in the Indian Ocean, about off the southeastern coast of East Africa, east of Madagascar. It includes the main island (also called Mauritius), as well as Rodrigues, Ag ...
and
Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...
; in the Pacific Ocean off the
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
,
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
,
Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
,
Kiribati Kiribati, officially the Republic of Kiribati, is an island country in the Micronesia subregion of Oceania in the central Pacific Ocean. Its permanent population is over 119,000 as of the 2020 census, and more than half live on Tarawa. The st ...
, the
Marshall Islands The Marshall Islands, officially the Republic of the Marshall Islands, is an island country west of the International Date Line and north of the equator in the Micronesia region of the Northwestern Pacific Ocean. The territory consists of 29 c ...
,
French Polynesia French Polynesia ( ; ; ) is an overseas collectivity of France and its sole #Governance, overseas country. It comprises 121 geographically dispersed islands and atolls stretching over more than in the Pacific Ocean, South Pacific Ocean. The t ...
; in Oceania off
Vanuatu Vanuatu ( or ; ), officially the Republic of Vanuatu (; ), is an island country in Melanesia located in the South Pacific Ocean. The archipelago, which is of volcanic origin, is east of northern Australia, northeast of New Caledonia, east o ...
; also off
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
.


References

* Kiener, L.C. 1834. Spécies général et Iconographie des coquilles vivantes, comprenant la collection du Muséum d'histoire Naturelle de Paris, la collection de Lamarck, celle du Prince Massena (appartenant maintenant a M. le Baron B. Delessert) et les découvertes récentes des voyageurs. Paris : Rousseau Vol. 9. * Reeve, L.A. 1859. Monograph of the genus Columbella. pl. 1, 24-37 in Reeve, L.A. (ed). Conchologia Iconica. London : L. Reeve & Co. Vol. 11. * Schepman, M.M. 1907. Mollusken aus Posttertiaren Schichten von Celebes. Beitraege zur Geologie Ost-Asiens und Australiens. Sammlung des Geologischen Reichsmuseums in Leiden 1 8: 153-203, pls 10-13 * Wilson, B. 1994. Australian marine shells. Prosobranch gastropods. Kallaroo, WA : Odyssey Publishing Vol. 2 370 pp. * Okutani, T. 2000. Marine mollusks in Japan. Tokyo : Tokai University Press 1173 pp. * Lussi M. (2001) ''Revision of the genus Aesopus Gould, 1860 in South Africa with the description of a new species (Gastropoda: Prosobranchia: Neogastropoda).'' Malacologia Mostra Mondiale 35: 23–28. ctober 2001* Monsecour K. & Monsecour D. (2007) ''The Aesopus (Lavesopus) spiculus species complex in the tropical Indo-Pacific (Mollusca, Caenogastropoda, Columbellidae).'' Visaya 2(2): 57–61. * Monsecour K. (2010). ''Checklist of Columbellidae''


External links


Duclos, P. L. (1846-1850). Colombella. In: Chenu, J. C. Illustrations conchyliologiques ou description et figures de toutes les coquilles connues vivantes et fossiles, classées suivant le système de Lamarck modifié d'après les progrès de la science et comprenant les genres nouveaux et les espèces récemment découvertes. Volume 4: pls 1-18

Hedley, C. (1913). Studies on Australian Mollusca, part XI. Proceedings of the Linnean Society of New South Wales. 38(2): 258-339, pls 16-19.
* {{DEFAULTSORT:Aesopus clausiliformis clausiliformis Gastropods described in 1834