| 词条 | Halgerda willeyi | |
| 释义 |
| image = Halgerda willeyi 2.jpg | image_caption = | regnum = Animalia | phylum = Mollusca | classis = Gastropoda | unranked_superfamilia = clade Heterobranchia clade Euthyneura clade Nudipleura clade Nudibranchia clade Euctenidiacea clade Doridacea | superfamilia = Doridoidea | familia = Discodorididae | genus = Halgerda | subgenus = | species = H. willeyi | binomial = Halgerda willeyi | binomial_authority = Eliot, 1904[1] | synonyms = }}Halgerda willeyi is a species of sea slug. It is a dorid nudibranch, a shell-less marine gastropod mollusk in the family Discodorididae.[2] DistributionThis species was described from a single specimen collected at Lifou, Loyalty Islands, by Dr A. Willey.[1] Halgerda willeyi has been reported throughout the western Indo-Pacific, including Taiwan, Vietnam, Myanmar, Egypt, Indonesia, Malaysia and Australia and in the Red Sea.[3][4][5] DescriptionThe body of the Halgerda willeyi is rigid, with a series of acute interconnecting ridges. The ridges are topped with a yellow or orange line. The grooves between the ridges have chocolate brown lines and these lines extend right to the edge of the mantle as numerous radiating lines. This species is a fairly large halgerdid,[6] and can reach 50 mm.[7] References1. ^1 Eliot, C.N.E. (1904) On some nudibranchs from East Africa and Zanzibar. Part III. Dorididae Cryptobranchiatae, I. Proceedings of the Zoological Society of London, 1903(2): 354-385, Pls. 32-34. (published April 1, 1904) {{Commons category|Halgerda willeyi}}{{Taxonbar|from=Q3782564}}2. ^WoRMS (2010). Halgerda willeyi Eliot, 1904. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=221077 on 2011-08-24 3. ^Marshall, J.G. & Willan, R.C. 1999. Nudibranchs of Heron Island, Great Barrier Reef - A Survey of the Opisthobranchia (Sea Slugs) of Heron and Wistari Reefs. Backhuys Publishers Leiden. 4. ^Halgerda willeyi at Nudipixel 5. ^Rudman, W.B., 1998 (June 17) Halgerda willeyi Eliot, 1904. [In] Sea Slug Forum. Australian Museum, Sydney. 6. ^Okinawa sea slugs 7. ^Halgerda willeyi on the Slug Site 2 : Discodorididae|Gastropods described in 1904 |
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