''Ptycheulimella'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
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 ...
s,
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
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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
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 ...
s 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). ''Ptycheulimella'' Sacco, 1892. 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=588485 on 2011-11-29
Description
The shell has an elongate-conic shape. The axial
sculpture
Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...
consists of obsolete ribs, frequently only shown in the early turns of 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 ...
. Spiral sculpture, if present, consists of microscopic striations only.
Species
Species within the genus ''Ptycheulimella'' include:
* ''
Ptycheulimella eulimelloides'' (Nomura, 1936)
* ''
Ptycheulimella hemiplicata
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http:// ...
'' (Nomura, 1936)
* ''
Ptycheulimella misella'' (Yokoyama, 1922)
* ''
Ptycheulimella rikuzenica
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http:// ...
'' (Nomura, 1936)
* ''
Ptycheulimella supramisella
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http:// ...
'' (Nomura, 1938)
* ''
Ptycheulimella syrnoliformis
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http:// ...
'' (Nomura, 1938)
* ''
Ptycheulimella yabei
''Ptycheulimella'' is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.Rosenberg, G. (2011). ''Ptycheulimella'' Sacco, 1892. Accessed through: World Register of Marine Species at http:// ...
'' Nomura 1939
OBIS: ''Ptycheulimella yabei''
/ref>
References
External links
To World Register of Marine Species
Pyramidellidae
{{Pyramidellidae-stub