ERMS name details
Thaumatopsyllus Sars G.O., 1913
106487 (urn:lsid:marinespecies.org:taxname:106487)
unaccepted (manuscript synonym of genus Aegisthus which was pre-occupied)
Genus
Thaumatopsyllus paradoxus Sars G.O., 1913 (type by original designation)
marine, brackish, fresh, terrestrial
Sars, G.O. (1913). Thaumatopsyllus paradoxus G.O. Sars, a remarkable copepod from the Norwegian coast, apparently referable to the Monstrilloid group. Archiv för Matematik og Naturvidenskab, Christiana (B)33(6): 1-10, pl. 1. [details] 
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Thaumatopsyllus Sars G.O., 1913. Accessed through: Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025) European Register of Marine Species at: http://www.marbef.org//www.marbef.org/data/aphia.php?p=taxdetails&id=106487 on 2025-05-30
Costello, M.J.; Bouchet, P.; Boxshall, G.; Arvanitidis, C.; Appeltans, W. (2025). European Register of Marine Species. Thaumatopsyllus Sars G.O., 1913. Accessed at: https://marbef.org/data/aphia.php?p=taxdetails&id=106487 on 2025-05-30
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original description
Sars, G.O. (1913). Thaumatopsyllus paradoxus G.O. Sars, a remarkable copepod from the Norwegian coast, apparently referable to the Monstrilloid group. Archiv för Matematik og Naturvidenskab, Christiana (B)33(6): 1-10, pl. 1. [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in RoR) [details]
additional source Costello, M.J., C. Emblow & R. White (EdS.). (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, 50. Muséum national d'Histoire Naturelle: Paris, France.</em> 463 pp. (look up in RoR) [details]
additional source McKinnon, A.D. (1994). Australopsyllus fallax gen. et sp. nov., the third known species of the family Thaumatopsyllidae (Copepoda: Cyclopoida). <em>Sarsia, Bergen.</em> 79(1):27-32, figs 1-4. [details] Available for editors
new combination reference Wilson, C.B. (1924). New North American parasitic copepods, new hosts and notes on copepod nomenclature. Proceedings of the United States National Museum 64(17)(2507):1-22, pls. 1-3.
page(s): 16; note: Wilson 1924 drejected the nmae Thaumatopsyllus because it had been published by T. Scott 1894 as a synonym of the the harpacticoid genus Aegisthus. He proposed Thespesipsyllus as the replacement name ...
[details] Available for editors
status source Bowman, T.E. & L.G. Abele. (1982). Classification of the recent Crustacea. In: Abele, L.G. (ed.). The Biology of Crustacea (editor-in-chief D.E. Bliss). 1. Systematics, the Fossil Record, and Biogeography, Academic Press, New York, 1-319 :1-27.
note: Bowman & Abele 1982 reinstated the name Thaumatopsyllus back from Thespesiopsyllus, because publication as a synonym does not make a name unavailable. [ICZN 11(d)] by Scott T, 1894 [details] Available for editors
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in RoR) [details]
additional source Costello, M.J., C. Emblow & R. White (EdS.). (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, 50. Muséum national d'Histoire Naturelle: Paris, France.</em> 463 pp. (look up in RoR) [details]
additional source McKinnon, A.D. (1994). Australopsyllus fallax gen. et sp. nov., the third known species of the family Thaumatopsyllidae (Copepoda: Cyclopoida). <em>Sarsia, Bergen.</em> 79(1):27-32, figs 1-4. [details] Available for editors
new combination reference Wilson, C.B. (1924). New North American parasitic copepods, new hosts and notes on copepod nomenclature. Proceedings of the United States National Museum 64(17)(2507):1-22, pls. 1-3.
page(s): 16; note: Wilson 1924 drejected the nmae Thaumatopsyllus because it had been published by T. Scott 1894 as a synonym of the the harpacticoid genus Aegisthus. He proposed Thespesipsyllus as the replacement name ...
Wilson 1924 drejected the nmae Thaumatopsyllus because it had been published by T. Scott 1894 as a synonym of the the harpacticoid genus Aegisthus. He proposed Thespesipsyllus as the replacement name for the preoccupied Thaumatopsyllus. Later Bomwan & Abele 1982 used Thaumatopsyulus because Scott T 1894 publication as a synonym does not make a name unavailable. [ICZN 11(d)]
status source Bowman, T.E. & L.G. Abele. (1982). Classification of the recent Crustacea. In: Abele, L.G. (ed.). The Biology of Crustacea (editor-in-chief D.E. Bliss). 1. Systematics, the Fossil Record, and Biogeography, Academic Press, New York, 1-319 :1-27.
note: Bowman & Abele 1982 reinstated the name Thaumatopsyllus back from Thespesiopsyllus, because publication as a synonym does not make a name unavailable. [ICZN 11(d)] by Scott T, 1894 [details] Available for editors
From editor or global species database
Image from typetaxon