''Anatoma munieri'' is a
species of minute
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
Marine is an adjective meaning of or pertaining to the sea or ocean.
Marine or marines may refer to:
Ocean
* Maritime (disambiguation)
* Marine art
* Marine biology
* Marine debris
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* ...
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 Anatomidae
Anatomidae is a family of minute sea snails, marine gastropod mollusks in the clade Vetigastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).
Anatomidae was raised to the rank of subfamily to the rank of family ...
.
[WoRMS (2012). ''Anatoma munieri'' (P. Fischer, 1862). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=493184 on 2013-02-16]
Description
The size of the shell varies between 2 mm and 3 mm.
The shell has a turbiniform shape. The
umbilicus is deep perspective. The elevated
spire contains four, a little 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).
Whorls in nature
File:Photograph and axial plane floral ...
s. These are sculptured with longitudinal, close, radiating lamellae, angular in the middle, and little, elevated, transverse lines. The base of the shell is ornamented with concentric elevated lirae.
This species is elevately turbinate, with two conspicuous carinate whorls and a deep perspective umbilicus. The fine lamellae of the upper part of the whorls are bent or angulated in the middle.
G.W. Tryon (1890), Manual of Conchology vol. XII
(described as ''Anatomus turbinatus'')
Distribution
This marine species occurs off the Philippines and Japan
Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...
.
References
* Geiger D.L. (2012) ''Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1-728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae''. pp. 729–1291. Santa Barbara Museum of Natural History Monographs Number 7.
External links
Encyclopedia of Life
World Register of Marine Species
*
{{Taxonbar, from=Q13370688
Anatoma
Gastropods described in 1862