''Zegalerus'' 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 ...

, commonly known as slipper snails, cup-and-saucer shells, and Chinese hat shells. This genus has been declared a synonym of the genus ''

Sigapatella ''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 ...

'' Lesson, 1831Bouchet, P. (2011). Zegalerus Finlay, 1926. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=565220 on 2011-05-10

Species

Species within the genus ''Zegalerus'' include: * '' Zegalerus coniculus''Jeffrey D. Stilwell,William J. Zinsmeister, Molluscan systematics and biostratigraphy: lower tertiary, La Meseta Formation, Seymour Island, Antarctic Peninsula
/ref> ;Species brought into synonymy: * ''Zegalerus crater'' Finlay, 1927; synonym of '' Sigapatella novaezelandiae'' Lesson, 1830 * † ''Zegalerus giganteus'' Beu, 1970: synonym of † ''

Sigapatella gigantea ''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 ...

'' (Beu, 1970) * † ''Zegalerus peramplus'':A.W.B. Powell, Tertiary Molluscan Faunulesfrom the Waitemata Beds
/ref> synonym of †''

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) * ''Zegalerus terraenovae'' (Peile, 1924): synonym of ''

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) * ''Zegalerus tenuis'' (Gray, 1867): synonym of ''

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) ;Species inquerenda * ''

Zegalerus tumens ''Zegalerus'' is a genus of small to medium-sized sea snails, marine gastropod molluscs in the family Calyptraeidae, commonly known as slipper snails, cup-and-saucer shells, and Chinese hat shells. This genus has been declared a synonym of the ...

'' Finlay, 1930: synonym of ''

'' Peile, 1924

References

* Powell A. W. B., ''New Zealand Mollusca'', William Collins Publishers Ltd, Auckland, New Zealand 1979

External links

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Calyptraeidae Taxa named by Harold John Finlay {{Calyptraeidae-stub