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WoRMS taxon details

Scalibregma Rathke, 1843

Scalibregma inflatum
Scalibregma inflatum

129555  (urn:lsid:marinespecies.org:taxname:129555)

  1. Biota
  2. Animalia (Kingdom)
  3. Annelida (Phylum)
  4. Polychaeta (Class)
  5. Sedentaria (Subclass)
  6. Scolecida (Infraclass)
  7. Scalibregmatidae (Family)
  8. Scalibregma (Genus)
accepted
Genus
Oligobranchus M. Sars, 1846 · unaccepted (subjective synonym)

Ordering

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Children Display

  1. Species Scalibregma aggregatum Blake, 2025
  2. Species Scalibregma antennatum Blake, 2025
  3. Species Scalibregma aubreyi Blake, 2025
  4. Species Scalibregma australis Blake, 2015
  5. Species Scalibregma beaufortensis Blake, 2025
  6. Species Scalibregma brevicauda Verrill, 1873
  7. Species Scalibregma californicum Blake, 2000
  8. Species Scalibregma celticum Mackie, 1991
  9. Species Scalibregma chilensis Blake, 2025
  10. Species Scalibregma cinthyae Mendes, Rizzo & De Paiva, 2023
  11. Species Scalibregma cornutum Blake, 2025
  12. Species Scalibregma fimbriatum Blake, 2025
  13. Species Scalibregma hadrostomium Blake, 2025
  14. Species Scalibregma hanseni Bakken, Oug & Kongsrud, 2014
  15. Species Scalibregma inflatum Rathke, 1843
  16. Species Scalibregma lanai Mendes, Rizzo & De Paiva, 2023
  17. Species Scalibregma lydoniensis Blake, 2025
  18. Species Scalibregma profundum Blake, 2025
  19. Species Scalibregma rhoadsi Blake, 2025
  20. Species Scalibregma ridleyensis Blake, 2025
  21. Species Scalibregma robustum Zachs, 1923
  22. Species Scalibregma sahlingi Blake, 2025
  23. Species Scalibregma stenocerum (Bertelsen & Weston, 1980)
  24. Species Scalibregma therouxi Blake, 2025
  25. Species Scalibregma velatum Blake, 2025
  26. Species Scalibregma wireni Furreg, 1925
  27. Species Scalibregma brevicaudum [auct. misspelling] accepted as Scalibregma brevicauda Verrill, 1873 (unaccepted > misspelling - incorrect subsequent spelling, 'brevicauda' is a noun phrase and is not corrected for gender agreement)
  28. Species Scalibregma groenlandicum (Sars, 1846) accepted as Scalibregma inflatum Rathke, 1843 (unaccepted > superseded combination, supersed subsequent combination of subjective synonym)
  29. Species Scalibregma minutum Webster & Benedict, 1887 accepted as Scalibregma inflatum Rathke, 1843 (subjective synonym)
  30. Species Scalibregma parvum Hansen, 1879 accepted as Pseudoscalibregma parvum (Hansen, 1879) (basionym)
  31. Species Scalibregma robusta Zachs, 1923 accepted as Scalibregma robustum Zachs, 1923 (superseded original combination)
  32. Species Scalibregma vegae Furreg, 1925 accepted as Scalibregma robustum Zachs, 1923 (subjective synonym)
  33. Species Scalibregma abyssorum Hansen, 1879 (uncertain > nomen dubium, indeterminable from type)
marine, brackish, fresh, terrestrial
recent only
neuter
Rathke, H. (1843). Beiträge zur Fauna Norwegens. [Contributions to the Fauna of Norway]. <em>Nova Acta Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum, Breslau & Bonn.</em> 20: 1-264., available online at https://doi.org/10.5962/bhl.title.11613
page(s): 182-184 [details] OpenAccess publication
Etymology Rathke (1843: 182, footnote) explains the derivation of Scalibregma as follows (translated): "The name is composed of...  
Etymology Rathke (1843: 182, footnote) explains the derivation of Scalibregma as follows (translated): "The name is composed of (Greek for) front head and (Greek for) a tool for digging, scratching." Brown (1954) translates Greek bregma, -tos, neuter, as front part of the head, and Greek skalis -idos (feminine) as mattock or hoe. Thus Scalibregma means forehead hoe and the genus is neuter as the 2nd word bregma is neuter. [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Scalibregma Rathke, 1843. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=129555 on 2025-07-18
Date
action
by
2004-12-21 15:54:05Z
created
Bellan, Gérard
2006-07-17 15:50:11Z
changed
Vanden Berghe, Edward
2008-03-05 09:00:37Z
changed
Decock, Wim
2008-03-26 11:36:43Z
changed
Fauchald, Kristian
2023-03-31 01:50:08Z
changed
Gil, João
2024-03-14 01:02:17Z
changed
Read, Geoffrey

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


Nomenclature

original description Rathke, H. (1843). Beiträge zur Fauna Norwegens. [Contributions to the Fauna of Norway]. <em>Nova Acta Academiae Caesareae Leopoldino-Carolinae Naturae Curiosorum, Breslau & Bonn.</em> 20: 1-264., available online at https://doi.org/10.5962/bhl.title.11613
page(s): 182-184 [details] OpenAccess publication

original description (of Oligobranchus M. Sars, 1846) Sars, M. (1846). Fauna littoralis Norvegiae oder Beschreibung und Abbildungen neuer oderwenig bekannter Seethiere, nebst Beobachtungen über die Organisation,Lebensweise und Entwickelung derselben. 1-194. Johann Dahk. Christiania., available online at https://www.biodiversitylibrary.org/page/45526545
page(s): 91 [details] OpenAccess publication

Identification resource

identification resource Mendes, Samuel Lucas Da Silva Delgado; Rizzo, Alexandra E.; De Paiva, Paulo Cesar. (2023). Unravelling the diversity of Scalibregma Rathke, 1843 (Annelida: 'Polychaeta': Scalibregmatidae) from southeast Brazilian coast. <em>Zootaxa.</em> 5353(5): 441-454., available online at https://mapress.com/zt/article/view/zootaxa.5353.5.3
page(s): 452; note: Key to Scalibregma species [details] Available for editors  PDF available [request]

Other

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

additional source Bellan, G. (2001). Polychaeta, <i>in</i>: Costello, M.J. <i>et al.</i> (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. <em>Collection Patrimoines Naturels.</em> 50: 214-231. (look up in IMIS)
note: checklist listing [details] 

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 [details] 

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
From editor or global species database
Diagnosis "Body elongate, arenicoliform. Prostomium T-shaped with lateral horns. Peristomium achaetous, surrounding prostomium dorsally and forming upper and lower lips of mouth ventrally. Parapodia of posterior segments with dorsal and ventral cirri; interramal papilla present; postsetal lamellae absent. Branchiae present in anterior segments. Chaetae include capillaries, lyrate chaetae, and sometimes inconspicuous blunt, pointed, or bifurcated spinous chaetae anterior to capillaries of chaetigers 1 or 1‒2, representing homologues of lyrate chaetae; large conspicuous acicular spines absent. Pygidium with long anal cirri." (Blake, 2015: 60).

Blake (2015 & 2025) examines species differences within Scalibregma, but following his diagnoses provides no indication as to the unique characters of Scalibregma compared to the other scalibregmatid genera. The presence of anterior arborescent branchiae may be the most obvious differing character state, and presence of variable anal cirri and lobes may be relevant. [details]

Etymology Rathke (1843: 182, footnote) explains the derivation of Scalibregma as follows (translated): "The name is composed of (Greek for) front head and (Greek for) a tool for digging, scratching." Brown (1954) translates Greek bregma, -tos, neuter, as front part of the head, and Greek skalis -idos (feminine) as mattock or hoe. Thus Scalibregma means forehead hoe and the genus is neuter as the 2nd word bregma is neuter. [details]

Grammatical gender Neuter. Rathke (1843) gave the type species a neuter species-group name, 'inflatum', consistent with his derivation etymology, and about six of the following names from later authors were given neuter adjectival species-group names. [details]
    Definitions

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To European Nucleotide Archive, ENA (Scalibregma) 
To Genbank 
To The Arctic Traits Database (5 traits) 
To ITIS
From editor or global species database
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