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Polychaeta source details
Darbyshire, Teresa; Mackie, Andrew S.Y. (2003). Species of Litocorsa (Polychaeta: Pilargidae) from the Indian Ocean and South China Sea. Hydrobiologia. 496(1-3): 63-73.
49594
10.1023/a:1026120109644 [view]
Darbyshire, Teresa; Mackie, Andrew S.Y.
2003
Species of <i>Litocorsa</i> (Polychaeta: Pilargidae) from the Indian Ocean and South China Sea
Hydrobiologia
496(1-3): 63-73
Publication
World Polychaeta Database (WPolyDb)
Available for editors
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Litocorsa seychellensis, new species, is described and L. dentata Imajima, 1987 newly recorded from the Seychelles (western Indian Ocean). The new species is morphologically closest to L. ewingi (Wolf, 1986) from Florida, U.S.A. Following a re-examination of the holotype and two non-type specimens from Japan, the description of L. dentata is emended to include the presence of a median antenna and aristate neuropodial hooks. Eyes may be present or absent. Specimens of Litocorsa from Brunei (South China Sea) are attributed to L. annamita (Gallardo, 1968). The holotype and two paratypes from Viet Nam differ slightly from the new material in having somewhat shorter antennae, but there is some variability in this character and it is therefore not considered significant. The assignment of four species originally placed in Synelmis (the 'Synelmis complex B' of previous authors) to Litocorsa is supported in the present study. However, several additional morphological characters are identified and it is recognised that a more thorough cladistic analysis of relationships within the Synelmis-Litocorsa clade requires detailed re-assessments of S. albini (Langerhans, 1881) and other species with furcate neurochaetae. The generic diagnosis of Litocorsa is emended.
Indian Ocean
South China Sea
Systematics, Taxonomy
Litocorsa Pearson, 1970 (identification resource)
Litocorsa annamita (Gallardo, 1968) (redescription) Litocorsa dentata Imajima, 1987 (redescription) Litocorsa seychellensis Darbyshire & Mackie, 2003 (original description)
Holotype NMW NMW.Z.2000.020.0083, geounit Seychelles, identified as Litocorsa seychellensis Darbyshire & Mackie, 2003
Paratype NMW NMW.Z.2000.020.0084-101, geounit Seychelles, identified as Litocorsa seychellensis Darbyshire & Mackie, 2003 Paratype NMW NMW.Z.2000.020.0102, geounit Seychelles, identified as Litocorsa seychellensis Darbyshire & Mackie, 2003 Nontype NMW NMW.Z.2000.020.0105-106, geounit Seychelles, identified as Litocorsa dentata Imajima, 1987 Nontype NMW NMW.Z.2003.003.0001-5, geounit Brunei, identified as Litocorsa annamita (Gallardo, 1968) Distribution South China Sea: Vietnam (Bay of Nha Trang); Brunei. Coral Sea: New Caledonia (Saint Vincent Bay). [details] Distribution Pacific Ocean: off Shimoda and off Jogashima (Japan). Indian Ocean: waters around Mahé Island (Seychelles). [details] Distribution Indian Ocean, waters around Mahé Island (Seychelles). [details] Etymology The specific epithet seychellensis refers to the Seychelles Archipelago, around which the specimens of the new ... [details] Habitat Fine and coarse sand, sometimes with coral, shell debris, or silt, muddy sand, and mud, at shallow depths (9-60 m). [details] Habitat Not stated in Japan, sandy sediments in Seychelles, in both localities at shallow depths (45-87 m). [details] Habitat Sandy sediments in shallow waters (11-63 m). [details] Type locality Indian Ocean, Seychelles, Mahé, South of Stork Patch (04º44.32'S, 55º24.83'E); 48 m, coarse quartz sand. [details] |