MarBEF Data System


WoRMS taxon details

Malacoceros Quatrefages, 1843

129614  (urn:lsid:marinespecies.org:taxname:129614)

  1. Biota
  2. Animalia (Kingdom)
  3. Annelida (Phylum)
  4. Polychaeta (Class)
  5. Sedentaria (Subclass)
  6. Canalipalpata (Infraclass)
  7. Spionida (Order)
  8. Spioniformia (Suborder)
  9. Spionidae (Family)
  10. Malacoceros (Genus)
accepted
Genus
Spio vulgaris Johnston, 1827 accepted as Malacoceros vulgaris (Johnston, 1827) (type by subsequent designation)
Colobranchus Schmarda, 1861 · unaccepted (subjective synonym)
Uncinia Quatrefages, 1866 · unaccepted (subjective synonym)

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Children Display

  1. Species Malacoceros cariacoensis Delgado-Blas & Díaz-Díaz, 2010
  2. Species Malacoceros derjugini (Uschakov, 1948)
  3. Species Malacoceros divisus Hutchings & Rainer, 1979
  4. Species Malacoceros fuliginosus (Claparède, 1868)
  5. Species Malacoceros girardi Quatrefages, 1843
  6. Species Malacoceros indicus (Fauvel, 1928)
  7. Species Malacoceros jennicus Graff, Blake & Wishner, 2008
  8. Species Malacoceros jirkovi Sikorski, 1993
  9. Species Malacoceros laevicornis (Rathke, 1837)
  10. Species Malacoceros longiseta Delgado-Blas & Díaz-Díaz, 2013
  11. Species Malacoceros metropolis Lavesque, Daffe & Meißner in Lavesque et al, 2024
  12. Species Malacoceros reductus Blake & Kudenov, 1978
  13. Species Malacoceros samurai Hourdez, Desbruyères & Laubier, 2006
  14. Species Malacoceros tetracerus (Schmarda, 1861)
  15. Species Malacoceros tripartitus Blake & Kudenov, 1978
  16. Species Malacoceros vanderhorsti (Augener, 1927)
  17. Species Malacoceros vulgaris (Johnston, 1827)
  18. Subgenus Malacoceros (Rhynchospio) accepted as Rhynchospio Hartman, 1936 (superseded alternate representation)
    1. Species Malacoceros (Rhynchospio) inflatus Foster, 1971 accepted as Rhynchospio inflata (Foster, 1971) (superseded original combination)
  19. Species Malacoceros ciliatus (Keferstein, 1862) accepted as Malacoceros tetracerus (Schmarda, 1861) (superseded combination of subjective synonym)
  20. Species Malacoceros girardii [auctt.] accepted as Malacoceros girardi Quatrefages, 1843 (misspelling)
  21. Species Malacoceros longirostris Quatrefages, 1843 accepted as Scolelepis longirostris (Quatrefages, 1843) (superseded original combination)
  22. Species Malacoceros punctatus (Hartman, 1961) accepted as Malacoceros indicus (Fauvel, 1928) (superseded subsequent combination of subjective synonym)
  23. Species Malacoceros tetraceros [auctt.] accepted as Malacoceros tetracerus (Schmarda, 1861) (misspelling)
  24. Species Malacoceros fuliginosa [auctt.] (uncertain > nomen dubium, misspellling, perhaps arising from incorrect usage of Malacoceros as subgenus of Scolelepis)
marine, brackish, fresh, terrestrial
recent only
Quatrefages, Armand de. (1843). Description de quelques espèces nouvelles d'annélides errantes recueillies sur les côtes de la Manche. Magasin de Zoologie, d'Anatomie Comparée et de Palaeontologie, Paris. Série 2, 5: 1-16, plates I-III., available online at https://biodiversitylibrary.org/page/41155346
page(s): 8-10 [details] 
Note Spio vulgaris Johnston, 1827, subsequent...  
From editor or global species database
Type species Spio vulgaris Johnston, 1827, subsequent designation by Pettibone (1963: 98). [details]
Etymology Not stated. The name Malacoceros is composed by the words malaco, from the Ancient Greek malakós (= 'soft'), and ceros,...  
Etymology Not stated. The name Malacoceros is composed by the words malaco, from the Ancient Greek malakós (= 'soft'), and ceros, from the Greek kéras (= 'horn'), and seems to refer to the presence of two soft lateral projections or 'horns' on the anterior margin of the prostomium. [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Malacoceros Quatrefages, 1843. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=129614 on 2025-04-14
Date
action
by
2004-12-21 15:54:05Z
created
Bellan, Gérard
2008-03-26 11:36:43Z
changed
Fauchald, Kristian
2018-05-12 07:24:38Z
changed
Gil, João

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

original description Quatrefages, Armand de. (1843). Description de quelques espèces nouvelles d'annélides errantes recueillies sur les côtes de la Manche. Magasin de Zoologie, d'Anatomie Comparée et de Palaeontologie, Paris. Série 2, 5: 1-16, plates I-III., available online at https://biodiversitylibrary.org/page/41155346
page(s): 8-10 [details] 

original description (of Colobranchus Schmarda, 1861) Schmarda, L. K. (1861). Neue Wirbellose Thiere: Beobachted und Gesammelt auf einer Reise um die Erdr 1853 bis 1857. In Turbellarien, Rotatorien und Anneliden. Leipzig, Verlag von Wilhelm Engelmann. Erster Band, Zweite Hälfte., available online at http://www.biodiversitylibrary.org/ia/neuewirbelloseth21861schm
page(s): 66 [details] OpenAccess publication

original description (of Uncinia Quatrefages, 1866) Quatrefages, A. de. (1866 (1865)). Histoire naturelle des Annelés marins et d'eau douce. Annélides et Géphyriens. Librarie Encyclopédique de Roret. Paris. Volume 1. 1-588., available online at http://books.google.com/books?id=FV9IAAAAYAAJ
page(s): 439 [details] OpenAccess publication

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: 214-231. (look up in IMIS) [details] 

Identification resource

identification resource Delgado-Blas, V. Hugo; Díaz-Díaz, Óscar (2013) Malacoceros longiseta, a new species of Spionidae (Annelida: Polychaeta) from Venezuela. Marine Biodiversity 43 (3): 81-187
page(s): table 1; note: synoptic table of species [details] 

Other

additional source Day, J. H. (1967). [Sedentaria] A monograph on the Polychaeta of Southern Africa. Part 2. Sedentaria. British Museum (Natural History), London. pp. 459–842., available online at http://www.biodiversitylibrary.org/bibliography/8596
page(s): 477 [details] 

additional source Glasby, Christopher J.; Read, Geoffrey B.; Lee, Kenneth E.; Blakemore, R.J.; Fraser, P.M.; Pinder, A.M.; Erséus, C.; Moser, W.E.; Burreson, E.M.; Govedich, F.R.; Davies, R.W.; Dawson, E.W. (2009). Phylum Annelida: bristleworms, earthworms, leeches. [Book chapter]. Chapt 17, pp. 312-358. in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia. Canterbury University Press, Christchurch. [details] Available for editors  PDF available [request]

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] 

 
EMODnet BathymetrySource: EMODnet Bathymetry
Countries
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Etymology Not stated. The name Malacoceros is composed by the words malaco, from the Ancient Greek malakós (= 'soft'), and ceros, from the Greek kéras (= 'horn'), and seems to refer to the presence of two soft lateral projections or 'horns' on the anterior margin of the prostomium. [details]

Grammatical gender Probably masculine. Compound words deriving from Greek κερασ (keras) 'horn' have been latinised with variable genders. Here the latinisation -ceros is of uncertain gender. Quatrefages appears to have regarded his genus word as masculine, and others have followed him, with some modern exceptions. [details]

Type species Spio vulgaris Johnston, 1827, subsequent designation by Pettibone (1963: 98). [details]

Unreviewed
Authority Malacoceros Quatrefages, 1843, emend. Pettibone, 1963 [details]
    Definitions

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To European Nucleotide Archive, ENA (Malacoceros) 
To European Nucleotide Archive, ENA (Uncinia) (from synonym Uncinia Quatrefages, 1866)
To Genbank 
To ITIS
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