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WoRMS taxon details
original description
Schneider, A. (1868). Ueber Bau und Entwicklung von Polygordius. <em>Archiv für Anatomie, Physiologie und wissenschaftliche Medicin.</em> [1868]: 51-60, plate II-III., available online at http://biodiversitylibrary.org/page/35507445
page(s): 51 [details] 
original description
(of Linotrypane McIntosh, 1875) McIntosh, William Carmichael. (1875). On a new example of the Opheliidae (<i>Linotrypane apogon</i>) from Shetland. <em>Proceedings of the Royal Society of Edinburgh.</em> 8(89): 386-390., available online at https://biodiversitylibrary.org/page/48403860
page(s): 386; note: McIntosh never indicates the genus is new (except indirectly by including a footnote etymology), and his only use of the genus and species names is in the title. [details]
taxonomy source
Tustison, Chrissy; Ramey-Balci, Patricia A.; Rouse, Greg W. (2020). More Knot Worms: Four New Polygordius (Annelida) Species from the Pacific and Caribbean. <em>Diversity.</em> 12(4): 146, 1-25., available online at https://www.mdpi.com/1424-2818/12/4/146 [details] Available for editors  [request]
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
Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [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
Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
 Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Etymology Schneider (1868) states he first identified his worms as belonging to Ramphogordius Rathke, 1843, a nemertean genus (in an earlier work?), but realised they were new and used Polygordius instead. The 'gordius' presumably was derived from their twisting or knotted body contortions. The genus has been treated universally as masculine when given adjectival epithets (excludes nouns with adjectival suffixes). [details]
Type species Schneider (1868) described both Polygordius lacteus and P. purpureus in the same article, so the type could be either. Hartman Catalogue treated P. lacteus as type, probably because of page priority (this is not part of the 4thEd Code) which can be regarded as a subsequent designation. P. purpureus has since been moved to Megadrilus. [details]
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