WoRMS name details
Crithida thalassina Gosse, 1855
238233 (urn:lsid:marinespecies.org:taxname:238233)
uncertain > nomen dubium
Species
Crithida Gosse, 1855 accepted as Myrianida Milne Edwards, 1845
marine, brackish, fresh, terrestrial
recent only
Gosse, Philip Henry 1855. Notes on some new or little known marine animals. Annals and Magazine of Natural History, (Series 2) 16:27-35, 305-312 (annelids 31-35, 308-312)., available online at http://biodiversitylibrary.org/page/2263862
page(s): 309-310, plate VIII fig. 5 [details]
page(s): 309-310, plate VIII fig. 5 [details]
Note Bristol Channel near Ilfracombe, England,...
From editor or global species database
Type locality Bristol Channel near Ilfracombe, England, British Isles [details]
Description Gosse was describing a male syllid epitoke from the plankton. These are largely unidentifiable and he may have had more...
Description Gosse was describing a male syllid epitoke from the plankton. These are largely unidentifiable and he may have had more than one species present. He wrote: "Some half-dozen of these little worms were dipped from the surface of the Bristol Channel near Ilfracombe, on a calm afternoon in August last. They swam with excessive agility by a rapid horizontal undulation of the body, in which the long pencils reflected prismatic rays. The moment this undulatory movement ceased, they usually bent themselves into a crescent or circle." Anyone who has seen 'polybostrichus' forms will recognise the above description of their swimming behaviour. [details]
Read, G.; Fauchald, K. (Ed.) (2025). World Polychaeta Database. Crithida thalassina Gosse, 1855. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=238233 on 2025-04-16
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Nomenclature
original description
Gosse, Philip Henry 1855. Notes on some new or little known marine animals. Annals and Magazine of Natural History, (Series 2) 16:27-35, 305-312 (annelids 31-35, 308-312)., available online at http://biodiversitylibrary.org/page/2263862
page(s): 309-310, plate VIII fig. 5 [details]
page(s): 309-310, plate VIII fig. 5 [details]
Taxonomy
source of synonymy
Hartman, Olga. (1959). Catalogue of the Polychaetous Annelids of the World. Parts 1 and 2. <em>Allan Hancock Foundation Occasional Paper.</em> 23: 1-628. [details] Available for editors
[request]
status source Nygren, Arne. (2004). Revision of Autolytinae (Syllidae: Polychaeta). <em>Zootaxa.</em> 680: 1-314., available online at http://www.mapress.com/zootaxa/2004f/z00680f.pdf
page(s): 115, 194 [details] Available for editors
[request]

status source Nygren, Arne. (2004). Revision of Autolytinae (Syllidae: Polychaeta). <em>Zootaxa.</em> 680: 1-314., available online at http://www.mapress.com/zootaxa/2004f/z00680f.pdf
page(s): 115, 194 [details] Available for editors

Syntype Types probably lost (fide Nygren, 2004), verbatimGeounit Bristol Channel near... [details]
From editor or global species database
Description Gosse was describing a male syllid epitoke from the plankton. These are largely unidentifiable and he may have had more than one species present. He wrote: "Some half-dozen of these little worms were dipped from the surface of the Bristol Channel near Ilfracombe, on a calm afternoon in August last. They swam with excessive agility by a rapid horizontal undulation of the body, in which the long pencils reflected prismatic rays. The moment this undulatory movement ceased, they usually bent themselves into a crescent or circle." Anyone who has seen 'polybostrichus' forms will recognise the above description of their swimming behaviour. [details]Type locality Bristol Channel near Ilfracombe, England, British Isles [details]