Eulimella Polita
   HOME

TheInfoList



OR:

''Eulimella polita'' is a
species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
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 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 * Marine habitats * Marine life * Marine pollution Military * ...
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 Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000  extant species of molluscs are recognized. The number of fossil species is e ...
in the
family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromol ...
, the pyrams and their allies.Rosenberg, G. (2011). ''Eulimella polita'' ( A. E. Verrill, 1872). Accessed through:
World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive list of names of marine organisms. Content The content of the registry is edited and maintained by scientific specialist ...
at http://www.marinespecies.org/aphia.php?p=taxdetails&id=160309 on 2011-10-26


Nomenclature

The name ''Eulimella polita'' ( A. E. Verrill, 1872) or a species from the NW Atlanticis a secondary junior homonym of ''Eulimella polita'' de Folin, 1870 or a species from West Africa and thus an invalid name. In such a case, the
International Code of Zoological Nomenclature The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the ...
requires that the younger name ''Eulimella polita'' (A.E. Verrill, 1872) be replaced by a substitute name. However, there is no substitute name available at this moment (January 2012). Until such a substitute name is established,
WoRMS Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany, a city **Worms (electoral district) *Worms, Nebraska, U.S. *Worms im Veltlintal, the German name for Bormio, Italy Arts and entertainme ...
lists provisionally the two species as distinct, although one is designated by an invalid name.


Description

The size of the shell varies between 2 mm and 8.4 mm. This species differs from the other species in this genus by its continuous peristome. The
teleoconch The gastropod shell is part of the body of a gastropod or snail, a kind of mollusc. The shell is an exoskeleton, which protects from predators, mechanical damage, and dehydration, but also serves for muscle attachment and calcium storage. Some ...
contains twelve
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 that are well rounded, smooth and glossy.Manual of Conchology vol. VIII
G.W. Tryon, p. 342; 1889


Distribution

This species occurs in the following locations: * Cobscook Bay *
Gulf of Maine The Gulf of Maine is a large gulf of the Atlantic Ocean on the east coast of North America. It is bounded by Cape Cod at the eastern tip of Massachusetts in the southwest and by Cape Sable Island at the southern tip of Nova Scotia in the northeast ...
* North West Atlantic Ocean


Notes

Additional information regarding this species: * Distribution: Cobscook Bay and Eastport, Maine to New Jersey


References


External links


To Biodiversity Heritage Library (6 publications)

To Encyclopedia of Life

To ITIS

To World Register of Marine Species
{{Taxonbar, from=Q3139372 polita Gastropods described in 1872