Williamia

Genus of gastropods

For the plant genus, see Phyllanthus

Williamia

Scientific classification
Kingdom:  |

Animalia

Phylum:  |

Mollusca

Class:  |

Gastropoda

(unranked):  |

clade Heterobranchia
clade Euthyneura
clade Panpulmonata

Superfamily:  |

Siphonarioidea

Family:  |

Siphonariidae

Genus:  |

Williamia

Monterosato, 1884

Type species
Ancyclus gussoni O.G. Costa, 1829

Species

See text

Synonyms[1]

* Allerya Mörch, 1877 (Invalid: suppressed by ICZN Opinion 1410)
* Brondelia Bourguignat, 1862 (Invalid: suppressed by ICZN Opinion 1410)
* Parascutum Cossmann, 1890
* Roya Iredale, 1912
* Scutulum Monterosato, 1877 (Invalid: junior homonym of Scutulum Tournouer, 1869 [Echinodermata]; Williamia and Parascutum are replacement names)

Williamia is a genus of small sea snails or false limpets, marine pulmonate gastropod molluscs in the family Siphonariidae, the false (air-breathing) limpets.[1]

Their development is similar to other Siphonariids.[2]

## Species

[edit]

Species within the genus Williamia include:

* Williamia eximia (Nevill in G. & H. Nevill, 1869)
* Williamia gussoni Costa, 1829
* Williamia krebsii (Mörch, 1877)
* Williamia magellanica Dall, 1927
* Williamia peltoides (Carpenter, 1864) \- shield false limpet
* Williamia radiata (Pease, 1860)
* Williamia radiata nutata Headley, 1908
* Williamia subspiralis (Carpenter, 1864)

Species brought into synonymy:

* Williamia galapagana Dall : synonym of Williamia peltoides (Carpenter, 1864)
* Williamia gussonii (O. G. Costa, 1829): synonym of Williamia gussoni (Costa O. G., 1829)
* Williamia japonica Habe, 1962: synonym of Williamia radiata (Pease, 1860)
* Williamia kermadecensis (Iredale, 1912): synonym of Williamia radiata (Pease, 1860)
* Williamia nutata (Headley, 1908): synonym of Williamia radiata nutata (Headley, 1908)
* Williamia oblongata (Yokoyama, 1926): synonym of Siphonacmea oblongata (Yokoyama, 1926)
* Williamia polynesica Rehder, 1980: synonym of Williamia radiata (Pease, 1860)
* Williamia radiata Kuroda & Habe, in Habe, 1961: synonym of Williamia radiata (Pease, 1860)
* Williamia tomlini (Robson, 1913): synonym of Aporemodon tomlini Robson, 1913

## References

[edit]

1. ^ a b Bouchet, P.; Gofas, S. (2011). Williamia Monterosato, 1884. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138490 on 2011-02-08
2. ^ Collin, Rachel. 2000. The development of three heterobranch mollusks from California, USA. The Nautilus, 114(3): 117-119.

* "Williamia". Integrated Taxonomic Information System.
* Discover Life
* Marshall B.A. (1981) The genus Williamia in the western Pacific (Mollusca: Siphonariidae). New Zealand Journal of Zoology 8: 487-492

Taxon identifiers

Williamia|

* Wikidata: Q8020942
* AFD: Williamia
* BOLD: 796099
* CoL: 7PL4D
* GBIF: 2291225
* iNaturalist: 129955
* IRMNG: 1022908
* ITIS: 76448
* NCBI: 1522359
* NZOR: ef627f65-8d2a-45d6-ae80-e4012d7c0530
* Open Tree of Life: 993309
* Paleobiology Database: 12289
* WoRMS: 138490

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