Difference between revisions of "Halgerda formosa"
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Familia: Discodorididae
Genus: Halgerda
Name
Halgerda formosa Bergh, 1880 – Wikispecies link – Pensoft Profile
- Halgerda formosa. – Yonow & Hayward 1991: 18, fig. 9 (Mauritius); Fahey and Gosliner 1999[1]: 366, figs. 1A-B, 2, 3A (Tanzania); Debelius and Kuiter 2007: 235 (La Réunion).
- Halgerda punctata. – Rudman 1978[2]: 67, figs. 3A, 7, 8 (Zanzibar) (non Halgerda punctata Farran).
- Halgerda punctata. – Gosliner 1987[3]: 69, fig. 90 (South Africa) (non Halgerda punctata Farran).
- non Halgerda formosa. – Gosliner 1987[3]: 69, fig. 89 (South Africa) (= Halgerda dichromis Fahey & Gosliner).
Material
Zanzibar: 10 × 5 mm pres., leg. MD Richmond (California Academy of Sciences, CASIZ 169953). – Kenya: photographs of two individuals, Malindi National Park & Watamu National Park, 5-8 m depth, MD Richmond. – La Réunion, Mauritius, and Mayotte: photographs of numerous individuals http://seaslugs.free.fr/nudibranche/a_intro.htm.
Description
Body colour translucent white, yellow to orange-yellow ridges, and several dark spots anteriorly and posteriorly near mantle edge. Foot translucent white with at least one black spot near tip and broad pale yellow margin. Rhinophores long, translucent white with one dark brown spot on stalk; yellow on proximal third, dark brown on distal two-thirds of lamellate portion, white on elongated tip. Six gills white with black band across inner side of each rachis from base to tips of pinnules.
Distribution
This small species was first recognised by Yonow and Hayward (1991)[4], based upon specimens collected from Mauritius and La Réunion, the type locality. Three specimens from Western Australia (Fahey and Gosliner 2001[5]) extend the range of this species to the eastern Indian Ocean.
Taxon Treatment
- Yonow, N; 2012: Opisthobranchs from the western Indian Ocean, with descriptions of two new species and ten new records (Mollusca, Gastropoda) ZooKeys, 197: 1-130. doi
Other References
- ↑ Fahey S, Gosliner T (1999) Description of three new species of Halgerda from the western Indian Ocean with a redescription of Halgerda formosa, Bergh 1880. Proceedings of the California Academy Sciences 51 (8): 365-383. doi: 10.1046/j.1463-6409.2001.00054.x
- ↑ Rudman W (1978) The dorid opisthobranch genera Halgerda Bergh and Sclerodoris Eliot from the Indo-West Pacific. Zoological Journal Linnean Society 62: 59-88. doi: 10.1111/j.1096-3642.1978.tb00523.x
- ↑ 3.0 3.1 Gosliner T (1987) Nudibranchs of Southern Africa. A guide to Opisthobranch molluscs of Southern Africa. EJ Brill, Leiden, Netherlands, 136 pp.
- ↑ Yonow N, Hayward P (1991) Opisthobranches de l’lle Maurice, avec la description de deux espèces nouvelles (Mollusca: Opisthobranchia). Revue française d’aquariologie herpétologie 18 (1): 1-30.
- ↑ Fahey S, Gosliner T (2001) On the genus Halgerda (Nudibranchia: Halgerdidae) from Western Australia with descriptions of four new species. Bollettino Malacologico Roma 37(5–8): 55-76.
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