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Polychaeta taxon details

Hyboscolex pacificus (Moore, 1909)

333634  (urn:lsid:marinespecies.org:taxname:333634)

accepted
Species
Hyboscolex pacificus borealis (Imajima & Hartman, 1964) · unaccepted > junior subjective synonym (synonymy via superseded...)  
synonymy via superseded recombination of subspecies separation
Oncoscolex pacificus (Moore, 1909) · unaccepted (superseded recombination)
Oncoscolex pacificus borealis Imajima & Hartman, 1964 · unaccepted > junior subjective synonym (synonymy via superseded...)  
synonymy via superseded subspecies separation
Sclerocheilus pacificus Moore, 1909 · unaccepted (superseded original combination)

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  1. Subspecies Hyboscolex pacificus borealis (Imajima & Hartman, 1964) accepted as Hyboscolex pacificus (Moore, 1909) (unaccepted > junior subjective synonym, synonymy via superseded recombination of subspecies separation)
marine, brackish, fresh, terrestrial
recent only
(of Sclerocheilus pacificus Moore, 1909) Moore, J. Percy. (1909). Polychaetous annelids from Monterey Bay and San Diego, California. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 61: 235-295, plates VII-IX., available online at https://www.biodiversitylibrary.org/page/26288296
page(s): 282-283, plate IX fig. 59 [details] 
Holotype  (of Sclerocheilus pacificus Moore, 1909) CAS...  
Holotype (of Sclerocheilus pacificus Moore, 1909) CAS 020713, verbatimGeounit California, Monterey... [details]
Type locality contained in Monterey Bay  
type locality contained in Monterey Bay [from synonym] [view taxon] [details]
Distribution Blake (2025) lists numerous reports of Hyboscolex pacificus since the original description by Moore (1909) as Sclerocheilus...  
Distribution Blake (2025) lists numerous reports of Hyboscolex pacificus since the original description by Moore (1909) as Sclerocheilus pacificus. Originally described from near Monterey, California, the species has subsequently been reported from Mexico to British Columbia as well as from Russian waters in the Sea of Japan and the Kurile Islands by Ushakov (1955) and from near Hokkaido, Japan by Imajima (1961) and Imajima & Hartman (1964).  [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Hyboscolex pacificus (Moore, 1909). Accessed at: https://www.marinespecies.org/polychaeta/aphia.php?p=taxdetails&id=333634 on 2026-04-05
Date
action
by
2008-03-17 10:44:16Z
created
2008-03-26 11:36:43Z
changed

original description (of Oncoscolex pacificus borealis Imajima & Hartman, 1964) Imajima, Minoru & Hartman, Olga. (1964). The polychaetous annelids of Japan. <em>Occasional Papers of the Allan Hancock Foundation.</em> 26(1-2): 1-452 [issued in 2 parts]., available online at http://digitallibrary.usc.edu/cdm/ref/collection/p15799coll82/id/18946 [details] 

original description (of Sclerocheilus pacificus Moore, 1909) Moore, J. Percy. (1909). Polychaetous annelids from Monterey Bay and San Diego, California. <em>Proceedings of the Academy of Natural Sciences of Philadelphia.</em> 61: 235-295, plates VII-IX., available online at https://www.biodiversitylibrary.org/page/26288296
page(s): 282-283, plate IX fig. 59 [details] 

taxonomy source Kudenov, Jerry D. and Blake, J.A. 1978. A review of the genera and species of the Scalibregmidae (Polychaeta) with descriptions of one new genus and three new species from Australia. Journal of Natural History, 12: 427-444., available online at https://doi.org/10.1080/00222937800770291 [details] 

additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors  PDF available [request]

redescription Blake, James A. (2025). New species and records of Scalibregmatidae (Annelida) from the Atlantic Ocean, Indian Ocean, Pacific Ocean, Southern Ocean, and adjacent seas. <em>Megataxa.</em> 16(1): 1–232., available online at https://mapress.com/mt/article/view/megataxa.16.1.1
page(s): 74, figures 38-39; note: Redescription from holotype (CASIZ 20713) and further California records [details] 
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

Holotype (of Sclerocheilus pacificus Moore, 1909) CAS 020713, verbatimGeounit California, Monterey... [details]
From editor or global species database
Distribution Blake (2025) lists numerous reports of Hyboscolex pacificus since the original description by Moore (1909) as Sclerocheilus pacificus. Originally described from near Monterey, California, the species has subsequently been reported from Mexico to British Columbia as well as from Russian waters in the Sea of Japan and the Kurile Islands by Ushakov (1955) and from near Hokkaido, Japan by Imajima (1961) and Imajima & Hartman (1964).  [details]
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