Amaeana trilobata Sars 1863

• Main Authors: Nogueira, João Miguel De Matos, Carrerette, Orlemir, Hutchings, Pat
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Terebellida; Terebellidae; Amaeana; Amaeana trilobata; Lofoten; Norway; Northern Norway
• Online Access: https://doi.org/10.5281/zenodo.6094896; http://treatment.plazi.org/id/DD7687BBFFB7FF91FF66F972DC78F8C9

Amaeana trilobata (Sars, 1863) Figures 2, 3 A–B Polycirrus trilobatus Sars 1863: 305. Amaeana trilobata .— Holthe 1986: 159 –160; Fig. 74.? Amaeana trilobata .— Fauvel 1927: 285 –286: Fig. 99a–e. Material examined : NMO C 3207a [coll. Christiansund, northern Norway, 50 ft (91.44 m), coll. & det. M. Sars]: 1 incomplete spec., 12 mm long, 3.5 mm wide at seg. 5, maximum width of body. NMO C 3207b [coll. Slaatholmen i Lofoten (Lofoten Islands, northern Norway), 90 ft (~ 164.6 m)]: 2 incomplete specimens, tuft of buccal tentacles, and 2 segs, separated from each other and from main body, and not inside separate vials; LECTOTYPE: ~ 31 mm long, ~ 1.9 mm wide at seg. 6, maximum width of body, slide: neuropodium, seg. 45; other spec. anterior fragment, dissected and torn apart, with 7 pairs of notopodia, in relatively good shape, ~ 5 mm long, 2 mm wide (uniform); slide: notopodium, segment 5. NMO C 3208 [coll. Drøbak (Oslo fjord)]: 2 incomplete specs and additional vial with one notopodium, one specimen in excellent state of preservation, 22 mm long, 4 mm wide at seg. 7, widest point of body, another one anterior fragment in relatively good state of preservation, 11 segs, 8.5 mm long, 4.8 mm wide at seg. 7, maximum width of body. Type locality. Northern Norway, Slaatholmen i Lofoten, 91.44 m. Description. Lectotype incomplete specimen, apparently only posteriormost segments and pygidium missing, ~ 31 mm long, ~ 1.9 mm wide at segment 8, widest point of body. Prostomium at base of upper lip, both basal and distal parts developed, basal part as thickened crest, distal part with large, flaring lobes and also oval to rectangular mid-dorsal process; prostomium covering segment 1 laterally and terminating laterally to lower lip, near mouth (Fig. 2 A–C, F–I). Three types of buccal tentacles, short ones thin, uniformly cylindrical, intermediate and long buccal tentacles distally broader, spatulate (Fig. 2 E). Peristomium restricted to lips, upper lip almost circular, slightly higher than broad, folded into three lobes; lower ...