Halgerda
| Halgerda | |
|---|---|
| |
| Halgerda stricklandi | |
Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Order: | Nudibranchia |
| Suborder: | Doridina |
| Superfamily: | Doridoidea |
| Family: | Discodorididae |
| Genus: | Halgerda Bergh, 1880[1] |
| Type species | |
| Halgerda formosa Bergh, 1880
| |
Halgerda is a genus of sea slugs, dorid nudibranchs, shell-less marine gastropod mollusks in the family Discodorididae.
Taxonomy[]
The genus Halgerda was classified within the family Halgerdidae by Odhner (1934).[2] Halgerdidae Odhner, 1926, is treated as a synonym of Discodorididae in the taxonomy of Bouchet & Rocroi (2005).[3] See also Valdés (2002).[4] Seven species of Halgerda were described in the years 1880-1905, two species in 1932-1949, four species from 1975-1982, then 22 species in the years 1993-2001. In 2018 another six new species were described from Mozambique, highlighting the number of undescribed species on the African coast of the Indian Ocean.[5] A number of undescribed species are known and many species show considerable variation across their ranges, which may indicate that more cryptic species exist.[6]
Distribution[]
All species of Halgerda are confined to the Indo-West Pacific Tropical region apart from two species which are found in warm temperate waters of South Africa and Southern Australia and one species from warm temperate Japanese waters.
Species[]
Species within the genus Halgerda include:[7]
- Halgerda abyssicola Fahey & Gosliner, 2000
- Halgerda albocristata Fahey & Gosliner, 1999
- Halgerda aurantiomaculata (Allan, 1932)
- Halgerda azteca Fahey & Gosliner, 2000
- Halgerda bacalusia Fahey & Gosliner, 1999
- Halgerda batangas Carlson & Hoff, 2000
- Halgerda brunneomaculata Carlson & Hoff, 1993
- Halgerda brycei Fahey & Gosliner, 2001
- Halgerda carlsoni Rudman, 1978
- Halgerda dalanghita Fahey & Gosliner, 1999
- Halgerda diaphana Fahey & Gosliner, 1999
- Halgerda dichromis Fahey & Gosliner, 1999
- Halgerda elegans Bergh, 1905
- Halgerda fibra Fahey & Gosliner, 2000
- Halgerda formosa Bergh, 1880
- Halgerda graphica Basedow & Hedley, 1905
- Halgerda guahan Carlson & Hoff, 1993
- Halgerda gunnessi Fahey & Gosliner, 2001
- Halgerda indotessellata Tibiriçá, Pola & Cervera, 2018
- Halgerda jennyae Tibiriçá, Pola & Cervera, 2018
- Halgerda johnsonorum Carlson & Hoff, 2000
- Halgerda leopardalis Tibiriçá, Pola & Cervera, 2018
- Halgerda malesso Carlson & Hoff, 1993
- Halgerda maricola Fahey & Gosliner, 2001
- Halgerda meringuecitrea Tibiriçá, Pola & Cervera, 2018
- Halgerda mozambiquensis Tibiriçá, Pola & Cervera, 2018
- Halgerda nuarrensis Tibiriçá, Pola & Cervera, 2018
- Halgerda okinawa Carlson & Hoff, 2000
- Halgerda onna Fahey & Gosliner, 2001
- Halgerda orstomi Fahey & Gosliner, 2000
- Halgerda paliensis (Bertsch & Johnson, 1982)
- Halgerda punctata Farran, 1902
- Halgerda rubicunda Baba, 1949
- Halgerda stricklandi Fahey & Gosliner, 1999
- Halgerda terramtuentis Bertsch & Johnson, 1982
- Halgerda tessellata (Bergh, 1880) - originally as Dictyodoris tessellata Bergh, 1880
- Halgerda theobroma Fahey & Gosliner, 2001
- Halgerda toliara Fahey & Gosliner, 1999
- Halgerda wasinensis Eliot, 1904
- Halgerda willeyi Eliot, 1904
- Halgerda xishaensis Lin, 1975
Halgerda indotesselata
References[]
- ^ Bergh, L.S.R. 1880. Beiträge zur Kenntniss der japanischen Nudibranchien. I. Verhandlungen der königlich-kaiserlich Zoologisch-botanischen Gesellschaft in Wien (Abhandlungen) 30:155-200, pls. 1-5, pages 191-5.
- ^ Odhner N. H. (1934). "The Nudibranchiata, British Antarctic ("Terra Nova") Expedition, 1910". Natural History Report, Zoology 7(5): 229-310.
- ^ Bouchet, Philippe; Rocroi, Jean-Pierre; Frýda, Jiri; Hausdorf, Bernard; Ponder, Winston; Valdés, Ángel & Warén, Anders (2005). "Classification and nomenclator of gastropod families". Malacologia. Hackenheim, Germany: ConchBooks. 47 (1–2): 1–397. ISBN 3-925919-72-4. ISSN 0076-2997.
- ^ Valdés A. (2002). "A phylogenetic analysis and systematic revision of the cryptobranch dorids (Mollusca, Nudibranchia, Anthobranchia)". Zoological Journal of the Linnean Society 136: 535-636. doi:10.1046/j.1096-3642.2002.00039.x.
- ^ Tibiriçá, Y.; Pola, M.; Cervera, J. L. (2018). Systematics of the genus Halgerda Bergh, 1880 (Heterobranchia : Nudibranchia) of Mozambique with descriptions of six new species. Invertebrate Systematics.
- ^ Gosliner, T.M., Behrens,D.W. & Valdes,A., 2008. Indo-Pacific Nudibranchs and Sea Slugs. A field guide to the World's most diverse fauna. Sea Challengers Natural History Books & The California Academy of Sciences. ISBN 978-0-9700574-3-3
- ^ Bouchet, P.; Gofas, S. (2014). Halgerda Bergh, 1880. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205320 on 2015-01-25
- Discodorididae