Epigamia magna Berkeley 1923, comb. n.
Epigamia magna (Berkeley, 1923) comb. n. (Fig. 88 A–E) Autolytus magnus Berkeley, 1923: 210, pl. 1, fig. 3–4; Berkeley & Berkeley 1938: 47; 1948: 70, fig. 101; Hartman 1948: 24; Imajima & Hartman 1964: 93 –95, fig. 18 A–C; Imajima 1966: 40 –46, figs 9 A–F, 10 A–F, 11 A–D; Pettibone 1967: 5;...
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Format: | Other/Unknown Material |
Language: | unknown |
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2004
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Online Access: | https://zenodo.org/record/6273272 https://doi.org/10.5281/zenodo.6273272 |
Summary: | Epigamia magna (Berkeley, 1923) comb. n. (Fig. 88 A–E) Autolytus magnus Berkeley, 1923: 210, pl. 1, fig. 3–4; Berkeley & Berkeley 1938: 47; 1948: 70, fig. 101; Hartman 1948: 24; Imajima & Hartman 1964: 93 –95, fig. 18 A–C; Imajima 1966: 40 –46, figs 9 A–F, 10 A–F, 11 A–D; Pettibone 1967: 5; Nygren & Sundberg 2003: GenBank sequences, 16 S rDNA partial sequence AF 474263, and 18 S rDNA partial sequence AF 474309. Autolytus beringianus Annenkova, 1934: 323 –324, fig. 2 A–B; Uschakov 1955: 173, fig. 57 D–E. Autolytus caterinkae Uschakov, 1950: 180, fig. 17 A–B; 1955: 173, fig. 57 A–C;? Chlebovitch 1962: 173 –174. ? Autolytus cf magnus Fauchald 1977 b: 19. Material examined. Canada: holotype (female epitoke), USNM 32897, British Colombia, Departure Bay, swarming at surface, 23 Feb 1920. Russia: 3 syntypes of A. beringianus ZIL 1 /21046, 2 spms ZIL 1 / 45576, ZIL 3 / 45577, Bering Strait, littoral, 1930–1931; 2 syntypes of A. catarinkae ZIL 2 / 21050, ZIL 3 / 21051, La Pérouse Strait, 56 m, 45 ° 40 ' 2 "N 141 ° 59 ' 2 "E, 28 Jun 1932. USA: 1 spm, Washington, San Juan Island, 48 ° 32.73 'N 123 °00.75'W, epifauna on floating dock outside Friday Harbor laboratory, sponges, hydroids, barnacles, Jan 2001. Diagnosis. Large orange Epigamia with c. 40–50 equal teeth; large equal cirrophores, long unequal dorsal cirrostyles; large parapodia with dorsal part enlarged. Description. Length, in one live specimen, 22 mm for 69 chaetigers, width 1.1 mm, length in preserved specimens, 14–21 mm for 44–84 chaetigers, width 1.1–1.8 mm. Live specimens orange (Fig. 88 A) with 2 pale brownish bands of bacillary glands on each segment. Preserved specimens with bacillary glands showing as 2 transverse rows of brown on each segment, and as 2 longitudinal bands running along dorsal and ventral surface of all appendages (Fig. 88 B). Ciliation as 2 trochs per segment. Eyes confluent (Fig. 88 A); eye spots absent. Palps in dorsal view projecting 1 / 3 – 1 / 2 of prostomial length (Fig. 88 A). Extension of nuchal epaulettes from end of ... |
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