WoRMS name details
Achtheres extensus (Kessler, 1868)
356876 (urn:lsid:marinespecies.org:taxname:356876)
unaccepted > superseded combination
Species
marine, brackish, fresh, terrestrial
(of Lernaeopoda extensa Kessler, 1868) Kessler, K. (1868). Materialy dlya poznaniya Onezhskago ozera i Obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii. Beiträge zur Kenntnis des Onega Sees mit Umgegend, insbesondere in zoologischer Beziehung. [Contributions to the knowledge of Lake Onega and its surroundings, particularly in zoological terms.]. <em>Prilozhenie k Trudam pervago svezda Russkikh Estestvoispytatelei, Sanktpeterburg (Supplement to works of the first congress of Russian Naturalists in St. Petersburgh).</em> 1-143, pls. 1-8, 1 map., available online at http://Materialy dlia poznaiia onezhskago ozera i obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii [details] 
Walter, T.C.; Boxshall, G. (2026). World of Copepods Database. Achtheres extensus (Kessler, 1868). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=356876 on 2026-08-10
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Nomenclature
original description
(of Lernaeopoda extensa Kessler, 1868) Kessler, K. (1868). Materialy dlya poznaniya Onezhskago ozera i Obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii. Beiträge zur Kenntnis des Onega Sees mit Umgegend, insbesondere in zoologischer Beziehung. [Contributions to the knowledge of Lake Onega and its surroundings, particularly in zoological terms.]. <em>Prilozhenie k Trudam pervago svezda Russkikh Estestvoispytatelei, Sanktpeterburg (Supplement to works of the first congress of Russian Naturalists in St. Petersburgh).</em> 1-143, pls. 1-8, 1 map., available online at http://Materialy dlia poznaiia onezhskago ozera i obonezhskago kraia preimushestvenno v zoologicheskom otnoshenii [details]
Taxonomy
source of synonymy
Kabata, Z. (1969). Revision of the genus Salmincola Wilson, 1915 (Copepoda: Lernaeopodidae). Journal of the Fisheries Research Board of Canada 26(11):2987-3041, figs. 1-248., available online at https://doi.org/10.1139/f69-285 [details] Available for editors 
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additional source
Airaksinen, K.J. (1968). Discocotyle sagittata Diesing (Trematoda) and Achtheres extensus Kessler (Copepoda), two fish ectoparasites previously unknown in Finland. Annales Zoologici Fennici 5:194-195, tab. 1. (15-iv-1968) [details] Available for editors [request]
additional source Markevich, A.P. (1937). Copepoda parasitica prisnikh vod SRSR. Copepoda parasitica der Binnengewässer der USSR. [Copepods parasitic on freshwater fishes of the USSR.]. <em>Institut Zoologii i Biologii, Akademiya Nauk Ukrainii SSR, Kiev.</em> :1-223, figs. 1-10, pls. 1-27. [details] Available for editors [request]
additional source Markevich, A.P. (1956). Paraziticheskie veslonogie ryb SSSR. [Parasitic copepods of fishes of the USSR.]. <em>Akademiya Nauk Ukraine SSR, Institut Zoology, Kiev.</em> 259 pp. figs. 1-153. [details] Available for editors [request]
[request]additional source Markevich, A.P. (1937). Copepoda parasitica prisnikh vod SRSR. Copepoda parasitica der Binnengewässer der USSR. [Copepods parasitic on freshwater fishes of the USSR.]. <em>Institut Zoologii i Biologii, Akademiya Nauk Ukrainii SSR, Kiev.</em> :1-223, figs. 1-10, pls. 1-27. [details] Available for editors
[request]additional source Markevich, A.P. (1956). Paraziticheskie veslonogie ryb SSSR. [Parasitic copepods of fishes of the USSR.]. <em>Akademiya Nauk Ukraine SSR, Institut Zoology, Kiev.</em> 259 pp. figs. 1-153. [details] Available for editors
[request]