''Sigapatella'' 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 small to medium-sized

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 ...

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 ...

mollusc 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 esti ...

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 ...

Calyptraeidae The Calyptraeidae are a family of small to medium-sized marine prosobranch gastropods. MolluscaBase. Calyptraeidae Lamarck, 1809. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=141 o ...

, the slipper snails, Chinese hat snails, and cup-and-saucer snails.WoRMS (2010). Sigapatella Lesson, 1831. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=391489 on 2011-10-31

Taxonomy

This group of species was originally classified under ''Calyptraea (Sigapatella)'' by Lesson in 1830. In 1990 the subgenus was elevated to the rank of genus as ''Sigapatella'' by Beu ''et al.'' and confirmed in 2000 by Camacho et al. (2000)

Description

The oval shell has a lateral

apex The apex is the highest point of something. The word may also refer to: Arts and media Fictional entities * Apex (comics), a teenaged super villainess in the Marvel Universe * Ape-X, a super-intelligent ape in the Squadron Supreme universe *Apex ...

. The interior plate has a submarginal axis. The free margin is concave.

Species

Species within the genus ''Sigapatella'' include: * † '' Sigapatella americana'' Ortmann 1900 * '' Sigapatella calyptraeformis'' (

Lamarck Jean-Baptiste Pierre Antoine de Monet, chevalier de Lamarck (1 August 1744 – 18 December 1829), often known simply as Lamarck (; ), was a French naturalist, biologist, academic, and soldier. He was an early proponent of the idea that biolog ...

) * † '' Sigapatella crater'' (Finlay, 1926) * † '' Sigapatella gigantea'' (Beu, 1970) * ''

Sigapatella hedleyi ''Sigapatella'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Calyptraeidae, the slipper snails, Chinese hat snails, and cup-and-saucer snails.WoRMS (2010). Sigapatella Lesson, 1831. Accessed through: Wo ...

'' (Smith, 1915) Hedley's shelf limpet * † ''

Sigapatella maccoyi ''Sigapatella'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Calyptraeidae, the slipper snails, Chinese hat snails, and cup-and-saucer snails.WoRMS (2010). Sigapatella Lesson, 1831. Accessed through: Wo ...

'' (Suter, 1917) *† '' Sigapatella mapalia''

Marwick Marwick is a Scottish surname, that may refer to: *Arthur Marwick (1936–2006), Scottish historian *Ernest Marwick (1915–1977), Scottish writer *Hugh Marwick (1885–1965), Scottish scholar *James Marwick (born 1862), founder of accountancy pr ...

, 1929 * ''

Sigapatella novaezelandiae ''Sigapatella novaezelandiae'', common name the circular slipper limpet, is a species of medium-sized sea snail, a marine gastropod molluscs in the family Calyptraeidae.Bouchet, P. (2012). Sigapatella novaezelandiae. Accessed through: World Re ...

'' (

Lesson A lesson or class is a structured period of time where learning is intended to occur. It involves one or more students (also called pupils or learners in some circumstances) being taught by a teacher or instructor. A lesson may be either one ...

, 1830) Marshall, B.A. 2003: A review of the Recent and late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda). The Veliger 46: 117-144. * '' Sigapatella nukumaruana'' Marshall, 2003 Marshall B.A. 2003. ''A review of the Recent and Late Cenozoic Calyptraeidae of New Zealand (Mollusca: Gastropoda).'' The Veliger 46(2): 117-144
/ref> * '' Sigapatella ohopeana'' Marshall, 2003 * † '' Sigapatella otamatea'' Laws, 1944 * † ''

Sigapatella patulosa ''Sigapatella'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Calyptraeidae, the slipper snails, Chinese hat snails, and cup-and-saucer snails.WoRMS (2010). Sigapatella Lesson, 1831. Accessed through: Wo ...

'' Powell and Bartrum, 1929 A.W.B. Powell, Tertiary Molluscan Faunulesfrom the Waitemata Beds
/ref> * † ''

Sigapatella perampla ''Sigapatella'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Calyptraeidae, the slipper snails, Chinese hat snails, and cup-and-saucer snails.WoRMS (2010). Sigapatella Lesson, 1831. Accessed through: Wo ...

'' (Powell & Bartrum, 1929) * '' Sigapatella spadicea'' Boshier, 1961 * † '' Sigapatella subvaricosa'' Powell & Bartrum, 1929 * '' Sigapatella superstes'' Fleming, 1958 * ''

Sigapatella tenuis ''Sigapatella tenuis'' is a species of sea snail, a marine gastropod mollusc in the family Calyptraeidae, the slipper snails, Chinese hat snails and cup-and-saucer snails. It is found in New Zealand New Zealand ( mi, Aotearoa ) is an i ...

'' (Gray, 1867) * ''

Sigapatella terraenovae ''Sigapatella terraenovae'' is a species of sea snail, a marine gastropod mollusc in the family Calyptraeidae.Bouchet, P. (2012). Sigapatella terraenovae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.p ...

'' (Peile, 1924) * '' Sigapatella subvaricosa'' Powell and Partrum, 1929 * † '' Sigapatella vertex'' J. Marwick, 1926 * † ''Sigapatella (Spirogalerus) lamellaria'' (Finlay & Marwick, 1937) (synonym: ''Spirogalerus lamellaria'' Finlay & Marwick 1937) Revised descriptions of New Zealand Cenozoic Mollusca from Beu and Maxwell (1990)
/ref> ;Species brought into synonymy: * ''Sigapatella maculata''

Suter Suter is a surname. Notable people with the name include: * Alexis P. Suter (born 1963), American blues, and soul blues singer and songwriter * Andrew Burn Suter (1830–1895), Bishop of the Diocese of Nelson, New Zealand * August Suter (1887& ...

, 1913 : synonym of ''Sigapatella novaezelandiae'' (Lesson, 1830)

References

* Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979
Paleopbiology Database : Sigapatella
{{Taxonbar, from=Q3176301 Calyptraeidae Gastropods of Australia Gastropods of New Zealand Gastropod genera Taxa named by René Lesson