WoRMS taxon details
Williamia Monterosato, 1884
138490 (urn:lsid:marinespecies.org:taxname:138490)
accepted
Genus
Ancylus gussoni O. G. Costa, 1829 accepted as Williamia gussoni (O. G. Costa, 1829) (type by typification of replaced name)
Allerya Mörch, 1877 · unaccepted (Invalid: suppressed by ICZN...)
Invalid: suppressed by ICZN Opinion 1410
Brondelia Bourguignat, 1862 · unaccepted (Invalid: suppressed by ICZN...)
Invalid: suppressed by ICZN Opinion 1410
Parascutum Cossmann, 1890 · unaccepted
Piliscus (Allerya) Mörch, 1877 · unaccepted
Roya Iredale, 1912 · unaccepted (junior objective synonym)
Scutulum Monterosato, 1877 · unaccepted (Invalid: junior homonym of...)
Invalid: junior homonym of Scutulum Tournouer, 1869 [Echinodermata]; Williamia and Parascutum are replacement names
- Species Williamia gussoni (O. G. Costa, 1829)
- Species Williamia krebsii (Mörch, 1877)
- Species Williamia magellanica Dall, 1927
- Species Williamia maxwelli B. A. Marshall, 1981 †
- Species Williamia megapolitana (Wiechmann, 1868) †
- Species Williamia merignacensis (Cossmann & Peyrot, 1919) †
- Species Williamia peltoides (P. P. Carpenter, 1864)
- Species Williamia plioligustica Forli, Dell'Angelo, Sosso & Bonfitto, 2009 †
- Species Williamia radiata (Pease, 1861)
- Species Williamia raincourti (Cossmann, 1885) †
- Species Williamia subspiralis (P. P. Carpenter, 1864)
- Species Williamia eximia (G. Nevill & H. Nevill, 1869) accepted as Akoyazara eximia (G. Nevill & H. Nevill, 1869) (unaccepted > superseded combination)
- Species Williamia galapagana Dall, 1909 accepted as Williamia peltoides (P. P. Carpenter, 1864)
- Species Williamia gussonii [sic] accepted as Williamia gussoni (O. G. Costa, 1829)
- Species Williamia japonica Habe, 1962 accepted as Williamia radiata (Pease, 1861) (junior subjective synonym)
- Species Williamia kermadecensis (Iredale, 1912) accepted as Williamia radiata (Pease, 1861)
- Species Williamia nutata (Hedley, 1908) accepted as Williamia radiata (Pease, 1861)
- Species Williamia oblongata (Yokoyama, 1926) accepted as Siphonacmea oblongata (Yokoyama, 1926)
- Species Williamia polynesica Rehder, 1980 accepted as Williamia radiata (Pease, 1861) (junior subjective synonym)
- Species Williamia radiata Kuroda & Habe, 1961 accepted as Williamia radiata (Pease, 1861) (Invalid: junior secondary homonym of Williamia radiata (Pease, 1860); Williamia japonica is a replacement name)
- Species Williamia tomlini (G. C. Robson, 1913) accepted as Aporemodon tomlini G. C. Robson, 1913 (unaccepted > superseded combination)
- Species Williamia rugulosa (Koenen, 1892) † (uncertain > taxon inquirendum)
- Species Williamia taurosimplex Sacco, 1897 † (uncertain > taxon inquirendum)
marine
Monterosato, T. A. di. (1884). <i>Nomenclatura generica e specifica di alcune conchiglie mediterranee</i>. Virzi, printed for the author, Palermo, 152 pp. , available online at http://www.biodiversitylibrary.org/item/109711
page(s): 150 [details]
page(s): 150 [details]
Nomenclature Nom. nov. pro Allerya Mörch, 1877 [suppressed by Opinion 1410], treated by Monterosato as a junior homonym of Allerya...
Nomenclature Nom. nov. pro Allerya Mörch, 1877 [suppressed by Opinion 1410], treated by Monterosato as a junior homonym of Allerya "Bourguignat, 1876" [in fact 1879], and Scutulum Monterosato, 1877, non Tournouër, 1869 [Echinodermata]. Placed on the Official List by Opinion 1410, 1986, Bulletin of Zoological Nomenclature, 43(3): 249. Senior bjective synonym of Parascutum. [details]
MolluscaBase eds. (2025). MolluscaBase. Williamia Monterosato, 1884. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=138490 on 2025-04-02
Date
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Nomenclature
original description
Monterosato, T. A. di. (1884). <i>Nomenclatura generica e specifica di alcune conchiglie mediterranee</i>. Virzi, printed for the author, Palermo, 152 pp. , available online at http://www.biodiversitylibrary.org/item/109711
page(s): 150 [details]
original description (of Brondelia Bourguignat, 1862) Bourguignat, J.-R. (1862). Notices monographiques sur les genres <i>Gundlachia</i>, <i>Poeyia</i> et <i>Brondelia</i>. <em>Revue et magasin de zoologie pure et appliquée, 2nd series.</em> 14: 13-23., available online at https://www.biodiversitylibrary.org/page/2706875
page(s): 20 [details]
original description (of Roya Iredale, 1912) Iredale, T. (1912). New generic names and new species of marine Mollusca. <i>Proceedings of the Malacological Society of London</i>. 10(3): 217-228, pl. 9., available online at https://biodiversitylibrary.org/page/15237192
page(s): 218 [details]
original description (of Scutulum Monterosato, 1877) Monterosato, T. A. di. (1877). Notizie sulle conchiglie della rada di Civitavecchia. <em>Annali del Museo Civico di Storia Naturale di Genova.</em> (1876–1877) 9: 407–428 [May 1st, 1877]., available online at https://www.biodiversitylibrary.org/page/29876139
page(s): 427-428 [details]
original description (of Allerya Mörch, 1877) Mörch, O. A. L. (1877). Observations sur l'<i>Ancylus gussoni</i>, Costa, et le nouveau sous-genre <i>Allerya</i>. <em>Journal de Conchyliologie.</em> 25: 209-211., available online at https://www.biodiversitylibrary.org/page/16223444 [details]
original description (of Piliscus (Allerya) Mörch, 1877) Mörch, O. A. L. (1877). Observations sur l'<i>Ancylus gussoni</i>, Costa, et le nouveau sous-genre <i>Allerya</i>. <em>Journal de Conchyliologie.</em> 25: 209-211., available online at https://www.biodiversitylibrary.org/page/16223444
page(s): 210 [details]
basis of record Marshall, B. A. (1981). The genus <i>Williamia</i> in the western Pacific (Mollusca: Siphonariidae). <em>New Zealand Journal of Zoology.</em> 8 (4): 487-492., available online at https://www.tandfonline.com/doi/abs/10.1080/03014223.1981.10427972 [details]
page(s): 150 [details]
original description (of Brondelia Bourguignat, 1862) Bourguignat, J.-R. (1862). Notices monographiques sur les genres <i>Gundlachia</i>, <i>Poeyia</i> et <i>Brondelia</i>. <em>Revue et magasin de zoologie pure et appliquée, 2nd series.</em> 14: 13-23., available online at https://www.biodiversitylibrary.org/page/2706875
page(s): 20 [details]
original description (of Roya Iredale, 1912) Iredale, T. (1912). New generic names and new species of marine Mollusca. <i>Proceedings of the Malacological Society of London</i>. 10(3): 217-228, pl. 9., available online at https://biodiversitylibrary.org/page/15237192
page(s): 218 [details]
original description (of Scutulum Monterosato, 1877) Monterosato, T. A. di. (1877). Notizie sulle conchiglie della rada di Civitavecchia. <em>Annali del Museo Civico di Storia Naturale di Genova.</em> (1876–1877) 9: 407–428 [May 1st, 1877]., available online at https://www.biodiversitylibrary.org/page/29876139
page(s): 427-428 [details]
original description (of Allerya Mörch, 1877) Mörch, O. A. L. (1877). Observations sur l'<i>Ancylus gussoni</i>, Costa, et le nouveau sous-genre <i>Allerya</i>. <em>Journal de Conchyliologie.</em> 25: 209-211., available online at https://www.biodiversitylibrary.org/page/16223444 [details]
original description (of Piliscus (Allerya) Mörch, 1877) Mörch, O. A. L. (1877). Observations sur l'<i>Ancylus gussoni</i>, Costa, et le nouveau sous-genre <i>Allerya</i>. <em>Journal de Conchyliologie.</em> 25: 209-211., available online at https://www.biodiversitylibrary.org/page/16223444
page(s): 210 [details]
basis of record Marshall, B. A. (1981). The genus <i>Williamia</i> in the western Pacific (Mollusca: Siphonariidae). <em>New Zealand Journal of Zoology.</em> 8 (4): 487-492., available online at https://www.tandfonline.com/doi/abs/10.1080/03014223.1981.10427972 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Nomenclature Nom. nov. pro Allerya Mörch, 1877 [suppressed by Opinion 1410], treated by Monterosato as a junior homonym of Allerya "Bourguignat, 1876" [in fact 1879], and Scutulum Monterosato, 1877, non Tournouër, 1869 [Echinodermata]. Placed on the Official List by Opinion 1410, 1986, Bulletin of Zoological Nomenclature, 43(3): 249. Senior bjective synonym of Parascutum. [details]
