Deep-Sea name details
Macrochaeta polyonyx Eliason, 1962
129748 (urn:lsid:marinespecies.org:taxname:129748)
unaccepted (superseded original combination)
Species
marine, brackish, fresh, terrestrial
recent only
Eliason, Anders. (1962). Die Polychaeten der Skagerak-Expedition 1933. <em>Zoologiska bidrag från Uppsala.</em> 33: 207-293 (text figures only).
page(s): 269-271, fig. 18a-h [details] Available for editors
page(s): 269-271, fig. 18a-h [details] Available for editors
Depth range 235-478 m.
Distribution NE Atlantic: Skagerrak; northern North Sea.
Etymology Apparently not stated. The specific epithet polyonyx is composed by the Greek words poly, meaning 'many', and onyx, meaning...
Depth range 235-478 m. [details]
Distribution NE Atlantic: Skagerrak; northern North Sea.
Distribution NE Atlantic: Skagerrak; northern North Sea. [details]
Etymology Apparently not stated. The specific epithet polyonyx is composed by the Greek words poly, meaning 'many', and onyx, meaning...
Etymology Apparently not stated. The specific epithet polyonyx is composed by the Greek words poly, meaning 'many', and onyx, meaning 'claw', and refers presumably to the numerous neuropodial compound hooks present in the anterior segments, which blades, moreover, become larger posteriorly rather than shorter. [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Macrochaeta polyonyx Eliason, 1962. Accessed through: Glover, A.G.; Higgs, N.; Horton, T. (2025) World Register of Deep-Sea species (WoRDSS) at: https://marinespecies.org/deepsea/aphia.php?p=taxdetails&id=129748 on 2026-09-11
Glover, A.G.; Higgs, N.; Horton, T. (2026). World Register of Deep-Sea species (WoRDSS). Macrochaeta polyonyx Eliason, 1962. Accessed at: https://marinespecies.org/Deepsea/aphia.php?p=taxdetails&id=129748 on 2026-09-11
Date
action
by
original description
Eliason, Anders. (1962). Die Polychaeten der Skagerak-Expedition 1933. <em>Zoologiska bidrag från Uppsala.</em> 33: 207-293 (text figures only).
page(s): 269-271, fig. 18a-h [details] Available for editors
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [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) [details]
additional source Hartmann-Schröder, Gesa. (1996). Annelida, Borstenwürmer, Polychaeta [Annelida, bristleworms, Polychaeta] 2nd revised ed. <em>Die Tierwelt Deutschlands und der angrenzenden Meeresteile nach ihren Merkmalen und nach ihrer Lebensweise [The fauna of Germany and adjacent seas with their characteristics and ecology].</em> 58. 648 pp. Gustav Fischer: Jena, Germany. ISBN 3-437-35038-2. (look up in IMIS) [details] Available for editors
additional source López, Eduardo; Olivier, Frederic; Grant, Cindy; Archambault, Philippe. (2017). A new species and four new records of sedentary polychaetes from the Canadian High Arctic. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 97(8): 1685-1694., available online at https://doi.org/10.1017/s0025315416000953
note: description and record for Northern Baffin Bay [details] Available for editors
redescription Banse, K. (1969). Acrocirridae n.fam. (Polychaeta Sedentaria). <em>Journal of the Fisheries Research Board of Canada.</em> 26(10): 2595-2620., available online at http://dx.doi.org/10.1139/f69-253
page(s): 2616-2617 [details]
page(s): 269-271, fig. 18a-h [details] Available for editors
context source (Deepsea) Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [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) [details]
additional source Hartmann-Schröder, Gesa. (1996). Annelida, Borstenwürmer, Polychaeta [Annelida, bristleworms, Polychaeta] 2nd revised ed. <em>Die Tierwelt Deutschlands und der angrenzenden Meeresteile nach ihren Merkmalen und nach ihrer Lebensweise [The fauna of Germany and adjacent seas with their characteristics and ecology].</em> 58. 648 pp. Gustav Fischer: Jena, Germany. ISBN 3-437-35038-2. (look up in IMIS) [details] Available for editors
additional source López, Eduardo; Olivier, Frederic; Grant, Cindy; Archambault, Philippe. (2017). A new species and four new records of sedentary polychaetes from the Canadian High Arctic. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 97(8): 1685-1694., available online at https://doi.org/10.1017/s0025315416000953
note: description and record for Northern Baffin Bay [details] Available for editors
redescription Banse, K. (1969). Acrocirridae n.fam. (Polychaeta Sedentaria). <em>Journal of the Fisheries Research Board of Canada.</em> 26(10): 2595-2620., available online at http://dx.doi.org/10.1139/f69-253
page(s): 2616-2617 [details]
Present Inaccurate Introduced: alien Containing type locality
Holotype ZMUU, geounit Skagerrak [details]
Nontype Private Dr. Eliason's collection, geounit Bergen [details]
Paratype ZMUU, geounit Skagerrak [details]
Unknown type ZMUU, geounit Norway [details]
Unknown type ZMUU, geounit Skagerrak [details]
Unknown type ZMUU, geounit Skagerrak [details]
Unknown type ZMUU, geounit Skagerrak [details]
Unknown type ZMUU, geounit Skagerrak [details]
Unknown type ZMUU, geounit Skagerrak [details]
From editor or global species database
Depth range 235-478 m. [details]Distribution NE Atlantic: Skagerrak; northern North Sea. [details]
Etymology Apparently not stated. The specific epithet polyonyx is composed by the Greek words poly, meaning 'many', and onyx, meaning 'claw', and refers presumably to the numerous neuropodial compound hooks present in the anterior segments, which blades, moreover, become larger posteriorly rather than shorter. [details]
Habitat In mud and sand-mixed clay, between 235-478 m. [details]
Type locality Skagerrak, NE Atlantic Ocean (58º30'N, 10º26'E), 300 m, in grey mud. [details]
