Nemertesia irregularis

• Main Authors: Gil, Marta, Ramil, Fran, Agís, José Ansín
• Format: Other/Unknown Material
• Language: unknown
• Published: 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Cnidaria; Hydrozoa; Leptothecata; Plumulariidae; Nemertesia; Nemertesia irregularis; Lophelia pertusa
• Online Access: https://zenodo.org/record/4573276; https://doi.org/10.5281/zenodo.4573276

Nemertesia irregularis (Quelch, 1885) (Figs. 9, 10, 11; Table 4) Antennularia irregularis Quelch, 1885: 8–9, Pl. II fig. 4 (Not Antennularia irregularis Fraser, 1938 = Nemertesia fraseri Ramil & Vervoort, 1992) Antennularia antennina var. à longs articles: Billard, 1901: 71. Antennularia antennina var. longa Billard, 1904: 216; 1906b: 210, fig. 15B. Antennularia Perrieri var. antennoïdes Billard 1904: 217. Antennularia Perrieri var. antennoïdes; Billard, 1906b: 212; Arévalo & Carretero, 1906: 82, pl. 13 fig. 3; Fey, 1969: 404. Antennularia janini Marktanner-Turneretscher, 1890: 259, pl. VI figs 9, 9A. (Not Nemertesia janini Lamouroux, 1816 = Nemertesia ramosa Lamouroux, 1816). Nemertesia antennina var. irregularis p. p.: Bedot, 1917: 42–43. Not Nemertesia irregularis: Ramil & Vervoort, 1992:170–173, fig. 48a; Medel & Vervoort, 1995: 52–56, figs 22, 23c [= Nemertesia perrieri (Billard, 1901)]. Nemertesia antennina: Ramil & Vervoort, 1992: 163–169, figs. 42A–R, 43A–H (part); Ansín Agís, 1998: 437–456, figs. 59A–F, 60A–F, 61A–E (part); Ansín Agís et al., 2001: 193–200, fig. 76–77 (part) [not Nemertesia antennina (Linnaeus, 1758)]. Material examined. MAURIT-0911, stn MUDR01, 16º08´24”N, 16º57´12”W, 488 m, 5-XII-2009: four colonies 13–22 mm high, one with male gonothecae. MAURIT-0911, stn MUDR02, 16º08´50”N, 16º57´01”W, 462 m, 5-XII-2009: one colony, without gonothecae. MSM 16 /3, stn GeoB 14796–5, ROV, 20°14.823’N, 17°40.178’W, 613 m, 3-XI-2010: one colony 39 mm high, with male gonothecae. MSM 16 /3, stn GeoB 14871–2, 19°08.344’– 19°08.235’N, 16°45.849’– 16°45.664’W, 427–566 m, 9-XI-2010: two colonies 29 and 41 mm high, one colony with female gonothecae. MSM 16 /3, stn GeoB 14903–1, GKG, 17°32.853’N, 16°39.700’W, 414 m, 15-XI-2010: two colonies on Lophelia pertusa, one with male gonothecae. Biology. Gonothecae have been found between May and June [Ramil & Vervoort 1992; Ansín Agís et al. 2001, both as Nemertesia antennina (Linnaeus, 1758)]. In our material, the gonothecae were found in ...