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Sigalion mathildae Audouin & Milne Edwards in Cuvier, 1830 
AphiaID: 131072

Classification: Biota > Animalia (Kingdom) > Annelida (Phylum) > Polychaeta (Class) > Aciculata (Subclass) > Phyllodocida (Order) > Aphroditiformia (Suborder) > Sigalionidae (Family) > Sigalion (Genus)
Status accepted
Record
status
 Checked by Taxonomic Editor
Rank Species
Typetaxon of  Sigalion Audouin & Milne Edwards in Cuvier, 1830
Parent Sigalion Audouin & Milne Edwards in Cuvier, 1830
Synonymised
taxa
  Sigalion carringtonii Carrington, 1865 (subjective synonym)
Sources  original description: Audouin, J.V. and Milne Edwards, H. 1832. Classification des Annélides et description de celles qui habitent les côtes de la France. Annales des sciences naturelles, Paris, Ser. sér. 1, 27: 337-347. [details]

basis of record: McIntosh, W.C. 1900. A monograph of British Annelids. vol.1. pt.2. Polychaeta Amphinomidae to Sigalionidae. Ray Society of London, 1(l2): 215-442. [details]

basis of record: Bellan, G. (2001). Polychaeta, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 214-231 (look up in IMIS[details]

basis of record: Day, J.H. (1967). Polychaeta of Southern Africa. Part 1. Errantia. British Museum (Natural History), London. 458 & xxix pp. [details]

additional source: Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. Commission Régionale de Biologie Région Nord Pas-de-Calais: France. 307 pp. (look up in IMIS[details]

additional source: Fauchald, Kristian (2007). World Register of Polychaeta, available online at http://www.marinespecies.org/polychaeta [details]

additional source: Fauchald, K., A. Granados-Barba, and V. Solís-Weiss. 2009. Polychaeta (Annelida) of the Gulf of Mexico, Pp. 751–788 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas. [details]

additional source: Fauchald, K. 1977. The polychaete worms, definitions and keys to the orders, families and genera. Natural History Museum of Los Angeles County: Los Angeles, CA (USA) Science Series 28:1-188, available online at http://www.vliz.be/imisdocs/publications/123110.pdf [details]

from synonym: Carrington, B. 1865. On the chaetopod annelids of the Southport sands. Proceedings of the Literary and Philosophical Society of, Manchester, 1865: 176-188. [details] [view taxon]

context source (Deepsea): Census of Marine Life (2012). SYNDEEP: Towards a first global synthesis of biodiversity, biogeography and ecosystem function in the deep sea. Unpublished data (datasetID: 38), available online at http://www.comlsecretariat.org/wp-content/uploads/2010/06/SYNDEEP-Towards-a-first-global-synthesis-of-biodiversity-biogeography-and-ecosystem-function-in-the-deep-sea-Eva-Ramirez-Llodra-et-al..pdf [details]

Direct child
taxa

[show all]
 Subspecies Sigalion mathildae tulearensis Thomassin, 1970
Environment marine, brackish, fresh, terrestrial
Fossil range recent only
Distribution Baie de la Seine [details]
Belgian Exclusive Economic Zone [details]
Dutch Exclusive Economic Zone [details]
European waters (ERMS scope) [details]
Golfe Normanno-Breton [details]
Greek Exclusive Economic Zone [details]
Gulf of Mexico [details]
Irish Exclusive economic Zone [details]
Madagascar [details]
North East Atlantic [details]
Plymouth [details]
Portuguese Exclusive Economic Zone [details]
Red Sea [details]
Roscoff [details]
Spanish Exclusive Economic Zone [details]
United Kingdom Exclusive Economic Zone [details]
Wimereux [details]
Specimen  Holotype: MNHN , locality Chausey Isles (France, Atlantic Ocean) [details]
Feedingtype  carnivore [details]
Links To Biodiversity Heritage Library (8 publications)
To Encyclopedia of Life
To Marine Species Identification Portal
To PESI
To USNM Invertebrate Zoology Annelid Collection
To ITIS
Notes  Biology: No information on this species' reproduction is availabie. S. mathildae lives 15 to 20 cm beneath the surface of the sediment. The sigalionids are generally considered active, free- living carnivores, feeding on a variety of small invertebrates. Specific information about S. mathildae is lacking (Fauchald & Jurnars, 1979; Hayward & Ryland, 1990). [details]

Description: A bristle worm with a sturdy, elongate body with numerous segments and a maximum length of 150
mm. The worm is dorsally covered with soft scales (elytra) whose outer edges feature a characteristic fringe consisting of pinnate papillae. The head bears three minute antennae (two lateral ones and one in the middle) and two pairs of small eyes. [details]

Distribution: The distribution of Sigalion mathildae was in both periods more or less limited to the western coastal zone, where densities up to 20 (1976-1986 period) and 200 ind./m2 (1994-2001 period) were observed. [details]

DistributionS. mathildae is most abundant at the Dogger Bank and in a broad zone south of the Frisian Front. The species is absent from the central Oyster Ground and from the Southern Bight, except for occasional finds near the coast. S. mathildae is neither present in the Wadden Sea, whereas in the Delta area it occurs only in low numbers in the marine part of the Oosterschelde. [details]

Habitat: The species is most frequently found in fine to very fine sand with little or no mud. [details]

HabitatSigalion mathildae prefers a very specifically defined sediment type characterised by fine-grained sediments (median grain size 150 to 250 μm) and the presence of a low mud content (maximum 20%). [details]

MorphologyS. mathildae has a long, robust body with a maximum length of 100 mm and about 200 segments. The body is dorsally covered by soft scales (elytra) of which the outer edges have a characteristic fringe of pinnate papillae. The head bears a pair of minute lateral antennae and four small eyes. The body segments have prominent bilobed parapodia with complex chaetae. The first segment is directed alongside the head and has additional finger-like cirri. Two big palps project forwards from underneath the first segment. The worm is greyish white in colour, with an iridescent underside and a prominent red mid-ventral blood vessel (Hartmann-Schröder, 1971; Hayward & Ryland, 1990). [details]
Image 
Sigalion mathildae Audouin & Milne Edwards in Cuvier, 1830
Sigalion mathildae Audouin & Milne Edwards in Cuvier, 1830
added on 2006-02-10 - author: Hans Hillewaert
qualitystatus: not checked
LSID urn:lsid:marinespecies.org:taxname:131072
Taxonomic
Edit history
 
Date   action   by
2004-12-21 15:54:05Z  created  Bellan, Gérard
2007-01-25 09:20:00Z  checked  Barnich, Ruth
2008-03-26 11:36:43Z  changed  Fauchald, Kristian
  
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  Citation: Fauchald, K.; Bellan, G. (2013). Sigalion mathildae Audouin & Milne Edwards in Cuvier, 1830. In: Read, G.; Fauchald, K. (Ed.) (2013) World Polychaeta database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=131072 on 2013-05-22
  Creative Commons License The webpage text is licensed under a Creative Commons Attribution 3.0 License