Leitoscoloplos drakei Hartman 1967, new combination

• Main Author: Blake, James A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniidae; Leitoscoloplos; Leitoscoloplos drakei; Weddell Sea; Drake Passage; Weddell; McIntosh
• Online Access: https://zenodo.org/record/4901765; https://doi.org/10.5281/zenodo.4901765

Leitoscoloplos drakei (Hartman, 1967) new combination Figures 19–21 Orbiniella drakei Hartman, 1967: 106, pl. 34; Rozbaczylo 1985: 130. Haploscoloplos sp. Hartman 1978: 156 (in part). Haploscoloplos kerguelensis: Hartman 1978: 156 (In part). Not McIntosh 1885. Material examined. Drake Passage, Eltanin Sta. 4-145, 11 Aug 1962, 60.00°S, 64.82°W, 3312–3532 m, holotype and paratype (USNM 55534–5).—Drake Passage, ANDEEP I ANT XIX-3, R/V Polarstern, Sta. PS-61/043- 2, 3958 m (1, ZMH P-27789); PS-61/114- 6, 2905 m, (1, ZMH P-27790).— Weddell Sea, Glacier Sta. 68 - 18, 1664 m (20, USNM 46602); Sta. 68- 55, 2936 m (3, USNM 46603); Sta. 69- 19, 1622 m (3, USNM 46608); Sta. 69- 21, 2288 m (3, USNM 46609); Sta. 69- 27, 4575 m (1, USNM 46610).—Weddell Sea, ANDEEP II ANT XIX/4, R/V Polarstern, Sta. PS-61/131- 8, 3068 m, (1, ZMH P-27791); PS-61/132- 4, 2085 m (2, ZMH P-27792); (1, SEM, JAB); Sta. PS-61/132- 6, 2086 m (1, ZMH P-27793); Sta. PS-61/136-5, 4 741 m (1, ZMH P-27794); Sta. PS-61/138- 7, 4539 m, 4541 m (1, ZMH P-27795); Sta. PS-61/138- 8, 4539 m (1, SEM, JAB), Sta. PS-138-9, 4 538 m (2, JAB, photographic records); Sta. PS-61/138- 10, 4537 m (1, SEM, JAB); ANDEEP III ANT XXII-3, R/V Polarstern, Sta. PS-67/078- 8, 2167 m (1 juvenile, JAB); PS-67/102- 8, 4803 m (1, ZMH P-27798); Sta. PS-67/142- 7, 3406 m (1, ZMH P-27797).— South African Basin, ANDEEP III Sta. PS-67/021- 3, 4551 m (1, ZMH P-27796). Description. Body thin, threadlike, fragile, largest complete Weddell Sea specimens 15 mm long, 0.35–0.5 mm wide for 36 setigerous segments; type specimens from Drake Passage shorter, due to absence of most of abdominal region. Color in life (ANDEEP I–II specimens) iridescent blue cuticle on transparent body (Fig 21 A); in alcohol opaque white to light tan. Thoracic region with 8–9 short, annulated setigers, with last segment sometimes longer, transitional (Figs. 19 A, 20B); thoracic region followed by long abdominal region composed of distinctly elongated segments with parapodia located on elevated ridge on posterior border of ...