''Callipara'' 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
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 ...
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 ...
Volutidae
''Volutidae'', common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum.
Distribution
This family of sea snails ...
.
Species
The following species are recognised in the genus ''Callipara'':
* ''
Callipara africana''
(Reeve, 1856)
* ''
Callipara aikeni''
Veldsman, 2012
* ''
Callipara aphrodite''
(Bondarev, 1999)
* ''
Callipara bullatiana''
(Weaver & du Pont, 1967)
* ''
Callipara casaana''
Childs, R. Aiken & Bail, 2020
* ''
Callipara duponti''
(Weaver, 1968)
* ''
Callipara festiva''
(Lamarck, 1811)
* ''
Callipara kurodai''
(Kawamura, 1964)
* ''
Callipara ponsonbyi''
(Smith, 1901)
* ''
Callipara queketti''
(Smith, 1901)
* ''
Callipara veldsmani''
Veldsman, 2012
* ''
Callipara victoriae''
Childs, R. Aiken & Bail, 2020
* ''
Callipara zululandensis''
Veldsman, 2012
Description
Some of the species of the genus ''Callipara'' have a
radula
The radula (, ; plural radulae or radulas) is an anatomical structure used by molluscs for feeding, sometimes compared to a tongue. It is a minutely toothed, chitinous ribbon, which is typically used for scraping or cutting food before the food ...
with vestigial lateral teeth.
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 ...
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 are shouldered and nodulose, with the three early whorls axially ribbed. They often have with a black blotch near the
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 is ...
and the upper part of the
aperture
In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture and focal length of an optical system determine the cone angle of a bundle of rays that come to a focus in the image plane.
An opt ...
. All species have a shoulder, except in ''Callipara bullatian''a where the well-defined shoulder changes at a slight angle.
Distribution
The snails of this genus are found in the Indian Ocean off
East Africa
East Africa, Eastern Africa, or East of Africa, is the eastern subregion of the African continent. In the United Nations Statistics Division scheme of geographic regions, 10-11-(16*) territories make up Eastern Africa:
Due to the historical ...
.
References
* Bail, P & Poppe, G. T. 2001. ''A conchological iconography: a taxonomic introduction of the recent Volutidae''. Hackenheim-Conchbook, 30 pp, 5 pl. (updated October 2008 for WoRMS)
External links
Gray, J. E. (1847). A list of the genera of recent Mollusca, their synonyma and types. Proceedings of the Zoological Society of London. 15: 129-219
Volutidae
Gastropod genera
{{Volutidae-stub