Metacyphocaris helgae Tattersall 1906

• Main Authors: Lowry, J. K., Stoddart, H. E.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2011
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Malacostraca; Amphipoda; Cebocaridae; Metacyphocaris; Metacyphocaris helgae; Austin; Pacific; Indian; Hurley; Chevreux; Thurston; Hicks; Porcupine Bank; Eagle Island; North Atlantic
• Online Access: https://zenodo.org/record/5294900; https://doi.org/10.5281/zenodo.5294900

Metacyphocaris helgae Tattersall, 1906 (Figs 3, 4) Metacyphocaris Helgae Tattersall, 1906: 29, pl. 3 fig. 1, pl. 4. — Stephensen, 1912a: 88. — Stephensen, 1912b: 613. — Stephensen, 1913: 113. — Stephensen, 1915: 38. — Stephensen, 1923: 54. — Schellenberg, 1926b: 216, figs 26c, 27. — Schellenberg, 1927: 666, fig. 60. — Pirlot, 1929: 8. — Schellenberg, 1929: 196. — K.H. Barnard, 1932: 37, fig. 5. — Stephensen, 1932: 354. — Stephensen, 1933: 9. — Chevreux, 1935: 28. — Thorsteinson, 1941: 60, pl. 3 figs 31-38. — Shoemaker, 1945: 189. — J.L. Barnard, 1958: 95. — Birstein & Vinogradov, 1958: 222. — Birstein & Vinogradov, 1960: 171. — Gurjanova, 1962: 79, fig. 14. — Hurley, 1963: 22, fig. 3. — Birstein & Vinogradov, 1964: 156. — O'Riordan, 1969: 32. — Thurston & Allen, 1969: 361. — Vader, 1983: 140 (table 1). — Umezu, 1984: 128. — Austin, 1985: 601. — Costello et al., 1989: 32. — Barnard & Karaman, 1991: 502. — Palerud & Vader, 1991: 38. — Lopes et al., 1993: 209. — Thurston, 2001: 684 (table 2). Type localities (for syntypes). 40 miles north by west of Eagle Island, County Mayo, Ireland, eastern North Atlantic Ocean, [approx. 54°30'N 11°30'W], 1152 m over 1189+ m; same locality, 1371 m over 1829+ m; west of Porcupine Bank, eastern North Atlantic Ocean, 53°07'N 15°06'W, 1371 m over 1573 m; 50 miles north by west of Eagle Island, County Mayo, Ireland, eastern North Atlantic Ocean, [approx. 54°30'N 11°30'W], 1097 m over 2195 m; same locality, 2113 m over 2195 m. Material examined. 1 specimen, immature, 11.5 mm, MV J15797, south of Point Hicks, Victoria, Australia, 38°27.20'S 149°09.70'E, 8 m rectangular midwater trawl, 22 July 1986, M.F. Gomon et al., RV Franklin, stn SLOPE 24. Distribution. Atlantic, Indian and Pacific Oceans, between 65°N and 40°S; to 4740 m depth (see remarks). Remarks. Tattersall (1906: 30), in his original description of Metacyphocaris helgae, said it had no mandibular palp, only a "very small rounded tubercular appendage". We have examined a specimen from the syntype series ...