Leitoscoloplos geminus Mackie 1987

• Main Author: Blake, James A.
• Format: Other/Unknown Material
• Language: unknown
• Published: 2017
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniidae; Leitoscoloplos; Leitoscoloplos geminus; Antarctic; Antarctic Peninsula; Anvers; Anvers Island; Bransfield Strait; Gamma Island; McIntosh; McMurdo Sound; McMurdo Station; Ross Island; South Shetland Islands; Antarc*
• Online Access: https://zenodo.org/record/4901755; https://doi.org/10.5281/zenodo.4901755

Leitoscoloplos geminus Mackie, 1987 Figures 12–13 Scoloplos kerguelensis: Monro 1936: 160 (in part). Not McIntosh 1885. Fide Mackie 1987. Leitoscoloplos kerguelensis: Hartmann-Schröder 1986: 82; Hartmann-Schröder & Rosenfeldt 1988: 53 (in part); 1990: 105– 106 (in part). Leitoscoloplos geminus Mackie, 1987: 6 –7, fig. 5. Material examined. Ross Island, McMurdo Sound, off McMurdo Station, 77°51.067′S, 66°39.880′E, 20 m, in sand and silt, coll. S. Kim and J.A. Blake, 11 Jan 2000, (11, LACM-AHF Poly 8957); same location, 30 m, in sponge mat, coll. S. Kim and J.A. Blake, 15 Jan 2000 (3, LACM-AHF Poly 8958).—Antarctic Peninsula, Hero Sta. 1120, 25– 31 m (45, USNM 187514); Gamma Island, Staten Island Sta. 32-63, coll. W.L. Schmitt, 100 m (1, USNM 46389); Anvers Island, Staten Island Sta. 67-63, coll. W.L. Schmitt, 62 m (5, USNM 46390). — South Shetland Islands, Hero Sta. 721-726 (2, USNM 60170); Sta. 721-742 (6, USNM 60169); Sta. 721-752 (3, USNM 60173); Sta. 721-819 (2, USNM 60171); Sta. 721-965 (2, USNM 60165); Sta. 721-968 (1, USNM 60159); Sta. 721-972 (2, USNM 60158); Sta. 721-975 (3, USNM 60160); Sta. 721-979 (1, USNM 60161); Sta. 721-980 (2 USNM 60168); 721-981 (1, USNM 60163); Sta. 721-983 (7, USNM 60162); Sta. 721-1033 (1, USNM 60164).—Bransfield Strait, Eltanin Sta. 12-1003, 210– 220 m (1, USNM 56522). Description. A moderate-sized species, up to 28 mm long, 1.5 mm wide for about 85 setigers; average size 25 mm long, 1.2 mm wide for about 65 setigers. Color in alcohol: light tan; color in life: yellow to orange, with light brown pigment around mouth opening (based on personal observations at McMurdo Station, 19 Jan 2000). Thoracic region inflated, not depressed, with 10 setigers (7–9 in juveniles), wider than abdominal segments (Figs. 12 A, 13A); transition from thorax to abdomen abrupt (Figs. 12 A, 13A). Prostomium short, narrow, conical, blunted on tip, not acute (Figs. 12 A, 13A–B); two nuchal slits in dorsolateral locations (Fig. 13 B) without eyespots. Peristomium a single achaetous ring, at least ...