Euonyx chelatus Norman 1867

• Main Authors: Lowry, J. K., Kilgallen, N. M.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2014
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Uristidae; Euonyx; Euonyx chelatus; North Atlantic
• Online Access: https://doi.org/10.5281/zenodo.6319084; http://treatment.plazi.org/id/03AE8B60AC12FFCC6CC1FF2AFAD5C7BC

Euonyx chelatus Norman, 1867 Euonyx chelatus Norman, 1867: 202.— Robertson, 1888: 94.— Stebbing, 1888: 673.— Walker, 1889: 77.— Sars, 1891: 117, pl. 40 fig. 1.— Walker, 1892: 244.— Walker, 1895a: 294.— Walker, 1895b: 422.— Norman, 1900: 214.— Scott, 1901: 259.— Stebbing, 1906: 19.— Stephensen, 1923: 41.— Stephensen, 1929: 52, figs 14, 16.—H.B. Moore, 1932: 156.— Stephensen, 1932: 353.— Pirlot, 1933: 120 (key).— Stephensen, 1935: 33.— Moore, 1937: 117.— Jones, 1940: 25, table 1.— Stephensen, 1942: 470 (table).— Jones, 1948: 404.— Enequist, 1949: 387 (table).— Gurjanova, 1951: 159, fig. 34. J.L. Barnard, 1958: 91 (list).— Bruce, Colman & Jones, 1963: 150.— Thurston & Allen, 1969: 358.—Vader, 1978: 127.— Lincoln, 1979: 54, fig. 18.—P.G. Moore, 1984: 32.— Comely & Ansell, 1988: 114, 123.— Costello et al. , 1989: 33.— Lowry & Stoddart, 1989: 519.— Barnard & Ingram, 1990: 2 (list), 3 (key).— Barnard & Karaman, 1991: 485.— Palerud & Vader, 1991: 35.— Sainte-Marie, 1991: 217, appendix 1.— Holmes et al. , 1997: 186 (list).— Johnson et al. , 2001: 198, table 3.— O’Reilly et al. , 2001: 36.— Tzvetkova & Golikov, 2001: 88 (table). ? Opis leptochela Bate & Westwood, 1868: 501 fig. Types. Syntypes: NHM Reg. no. 1911:11:8:13684-13686 (3 specimens, alcohol), 1911:11:8:M843-M845 (3 slides). Type locality. Sleat Sound, Hebrides, North Atlantic Ocean (~ 57°10’N 5°50’W) on the sea urchin Echinus esculentus Linnaeus, 1758. Habitat. An apparent obligate ectoparasite of the sea urchin Echinus esculentus Linnaeus, 1758 (Vader 1978). Depth range. 31–900 m (H.B. Moore 1937; Stephensen 1923). Remarks. There are currently only three recognized species in Euonyx —the type species and the two new species described here. Euonyx chelatus and E. urania show some similarity. Euonyx xarifa is the least similar. It has an apically rounded lateral cephalic lobe (apically acute or subacute in E. chelatus and E. urania ); no anterodistal lobe on article 1 of the antenna 1 peduncle (present in E. chelatus and E. ...