''Acliceratia beddomei'' is a species of very small somewhat

amphibious Amphibious means able to use either land or water. In particular it may refer to: Animals * Amphibian, a vertebrate animal of the class Amphibia (many of which live on land and breed in water) * Amphibious caterpillar * Amphibious fish, a fish ...

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

with a gill and an operculum, a semi- terrestrial

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 or

micromollusk A micromollusk is a shelled mollusk which is extremely small, even at full adult size. The word is usually, but not exclusively, applied to marine mollusks, although in addition, numerous species of land snails and freshwater mollusks also ...

in the family

Iravadiidae Iravadiidae is a family of minute sea snails, marine gastropod molluscs in the superfamily Truncatelloidea and the clade Littorinimorpha Littorinimorpha is a large order of snails, gastropods, consisting primarily of sea snails (marine sp ...

.Gofas, S. (2010). ''Acliceratia beddomei'' (Dautzenberg, 1912). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=224679 on 2011-04-02 This species was named by Philippe Dautzenberg after his colleague M.Beddome.

Description

The elongated, turreted shell has a uniform white color. The spire is composed of eight

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). Whorls in nature File:Photograph and axial plane floral ...

s, separated by a closely channeled suture. The

protoconch A protoconch (meaning first or earliest or original shell) is an embryonic or larval shell which occurs in some classes of molluscs, e.g., the initial chamber of an ammonite or the larval shell of a gastropod. In older texts it is also called ...

is embryonic, smooth and convex. The two following whorls are also convex, but decorated with striae slightly decurrent. The others are less convex adorned with more pronounced decurrent striae. They show, below the suture, a quite acute projecting keel, that extends around the base of the

body whorl The body whorl is part of the morphology of the shell in those gastropod mollusks that possess a coiled shell. The term is also sometimes used in a similar way to describe the shell of a cephalopod mollusk. In gastropods In gastropods, the b ...

. The aperture is oval, angular at the top. The columella is arcuate, surrounded by a callous bead, acuminate at the base. Dautzenberg, ''Mollusques Marins d'Afrique Occidentale'', Annales de l'Institut Océanographique, Monaco 1909
/ref>

Distribution

The type specimen was retrieved in the Atlantic Ocean off

Conakry Conakry (; ; sus, Kɔnakiri; N’ko: ߞߐߣߊߞߙߌ߫, Fula: ''Konaakiri'' 𞤑𞤮𞤲𞤢𞥄𞤳𞤭𞤪𞤭) is the capital and largest city of Guinea. A port city, it serves as the economic, financial and cultural centre of Guinea. Its p ...

Guinea Guinea ( ),, fuf, 𞤘𞤭𞤲𞤫, italic=no, Gine, wo, Gine, nqo, ߖߌ߬ߣߍ߫, bm, Gine officially the Republic of Guinea (french: République de Guinée), is a coastal country in West Africa. It borders the Atlantic Ocean to the we ...

. It also occurs off Angola and Cape Esterias.

References

* Dautzenberg, Ph.; Fischer, H. (1912). ''Mollusques provenant des campagnes de l'Hirondelle et de la Princesse-Alice dans les Mers du Nord. Résultats des Campagnes Scientifiques Accomplies sur son Yacht par Albert Ier Prince Souverain de Monaco, XXXVII.'' Imprimerie de Monaco: Monaco. 629, plates I-XI pp. * Bernard, P.A. (Ed.) (1984). ''Coquillages du Gabon hells of Gabon'' Pierre A. Bernard: Libreville, Gabon. 140, 75 plates
Ponder W. F. (1984) ''A review of the genera of the Iravadiidae (Gastropoda: Rissoacea) with an assessment of the relationships of the family''. Malacologia 25(1): 21-71
Iravadiidae Gastropods described in 1912 {{Caenogastropoda-stub