Stenosemus exaratus
Stenosemus exaratus (G.O. Sars, 1878) (Figures 23A, B 24–26) Lophyrus exaratus G.O. Sars, 1878: 113, pl. 8, fig. 1, pl. II, fig. 1. Lepidopleurus dorsuosus Haddon, 1886: 18, pl. 1, fig. 5, pl. 3, figs. 5a–i. Lepidopleurus dallii Haddon, 1886: 19, pl. 1, fig. 6, pl. 3, figs. 6a–i. Ischnochiton (Chond...
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Format: | Other/Unknown Material |
Language: | unknown |
Published: |
2023
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Online Access: | https://zenodo.org/record/8247062 https://doi.org/10.5281/zenodo.8247062 |
Summary: | Stenosemus exaratus (G.O. Sars, 1878) (Figures 23A, B 24–26) Lophyrus exaratus G.O. Sars, 1878: 113, pl. 8, fig. 1, pl. II, fig. 1. Lepidopleurus dorsuosus Haddon, 1886: 18, pl. 1, fig. 5, pl. 3, figs. 5a–i. Lepidopleurus dallii Haddon, 1886: 19, pl. 1, fig. 6, pl. 3, figs. 6a–i. Ischnochiton (Chondropleura) affinis Thiele, 1906, 334, pl. 29, figs. 17–20. Lepidopleurus (Leptochiton) nicomedes Dall, 1919: 501. Ischnochiton johnstoni Cotton, 1937: 11, figs. 10–18. Lepidopleurus nicomedes; Leloup, 1956: 15 (bibliography). Ischnochiton exaratus; Leloup, 1956: 41, fig. 21; Kaas, 1972: 92, figs. 195–199, pl. 6, fig. 9. Ischnochiton dorsuosus; Dell, 1964: 114 (bibliography); Kaas, 1979: 29; Ferreira, 1980: 59. Ischnochiton (Stenosemus) exaratus; Kaas, 1979: 29; Kaas & Van Belle 1990: 62, fig. 25. maps 1, 23 (synonymy and bibliography). Stenosemus exaratus; Ferreira, 1981: 327. Type material. Two syntypes (NHMO D33573). Type locality. Norway, Bodö (67°17’N, 14°25’E) and Florö (61°36’N, 5°0’E), 180–360 m. Material examined. Southern Ocean, Macquarie Islands, R/V Dmitry Mendeleev, cruise 16, stn 1294, 54°56.5’S, 158°49.7’E, 320 m, Sigsby trawl, 4 spms, BL 11.0–14.0 mm, 25.01.1976; Macquarie Islands, offshore to W, 54.7119°S, 158.7679°E, 200–468 m, stn SS1999_01_060Lot_60, Benthic dredge, CSIRO, 1 spm (TMAG, E 45537) BL 16.0 mm, 22.01.1999. Macquarie Islands, offshore to E, 54.5959°S, 158.9433°E, 250–500 m, stn SS1999_093Lot_093, Benthic dredge, CSIRO, 28 spm (TMAG, E 45535) BL 10.5–17.0 mm, 26.01.1999; Southern Tasmania Slope: Southern Sirveyor, 44.0306°S, 147.5796°E, 830–1030 m, stn SS0207_08_Lot_8, Sherman sled, CSIRO, 2 spm (TMAG, E 45526) BL 11.0–12.0 mm, 31.03.2007. Distribution. Wide-spread species. It inhabits the Atlantic Ocean from Greenland, Iceland, Norway up to Terra del Fuego, South Shetlands and South Orkney Islands, Pacific Ocean near Southern Chile, Indian Ocean near Prince Edward, Kerguelen and Amsterdam Islands. The four above mentioned samples of this species are the first find for South Australia ... |
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