Harmothoe rarispina

• Main Authors: Barnich, Ruth, Fiege, Dieter
• Format: Other/Unknown Material
• Language: unknown
• Published: 2009
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Phyllodocida; Polynoidae; Harmothoe; Harmothoe rarispina; Arctic; Arctic Ocean; Barents Sea; Canada; Hopen; Jan Mayen; Malmgren; McIntosh; Niva; Norway; Sneli; Svalbard; Vadsø; Finnmark; Varangerfjord; Varangerfjord*; Wijdefjord; Wijdefjord*
• Online Access: https://zenodo.org/record/5323874; https://doi.org/10.5281/zenodo.5323874

Harmothoe rarispina (M. Sars, 1861) (Figs. 3; 29A–I) Polynoe rarispina M. Sars, 1861: 60. Lagisca rarispina: Malmgren (1866): 65, pl. 8 fig. 2; Averincev (1977): 187, fig. 1; Uschakov (1982): 161, pl. 58, figs. 1–6. Harmothoe rarispina: Ditlevsen (1917): 13; Uschakov (1965): 137, fig. 37A–F. Lagisca rarispina occidentalis McIntosh, 1874b: 262, pl. 9 figs. 1–4 [new synonymy]. Lagisca extenuata: Fauvel (1923): 76, fig. 28 [part]. Harmothoe extenuata: Pettibone (1953): 31 [part]; Pettibone (1954): 222 [part]. Harmothoe (Lagisca) extenuata: Pettibone (1963): 41, fig. 8a–c [part]. Type material. Polynoe rarispina: 2 syntypes, ZMO C3157 a (spms.), C3157b and C3157c (slides with parapodia), Norway, Finnmark, Varangerfjord, Vadsø, 1857, 30–40 fms, leg. M. Sars. Lagisca rarispina occidentalis: 6 syntypes, BMNH 1921.5.1.324–327, Canada, Gulf of St. Lawrence, leg. J.F. Whiteaves. Additional material. NE Atlantic: 1 spm., SMF 17288, " Jan Mayen " St. 169, Arctic Ocean, Svalbard, Wijdefjord, 21 September 2003, 78°58.4’N 16°16.7’E, Agassiz trawl, 162 m, leg. C. d’Udekem d’Acoz. 1 spm., SMF 17289, " Jan Mayen " St. 204, Arctic Ocean, Svalbard, S Hinlopen, 23 September 2003, 78°40.6’N 21°23.8’E, Sneli sledge, 50 m, leg. C. d’Udekem d’Acoz. 1 spm., Akvaplan-Niva Collection, Barents Sea Exp. 2005 St. 14-4, Arctic Ocean, Hopen Slope, 24 May 2005, 75°22.1’ N, 26°37.2’ E, 193 m. Diagnosis. Anterior pair of eyes dorsolateral at widest part of prostomium. Elytral margin and adjacent surface with scattered, short papillae; surface covered by conical microtubercles; macrotubercles prominent, stick-shaped, in a row near posterior margin and some scattered more centrally. Description (based on large syntype of P. rarispina). Body with 42 segments. At anterior end (Fig. 29A), prostomium bilobed, with distinct cephalic peaks; ceratophore of median antenna in anterior notch, lateral antennae inserted ventrally, styles of antennae papillate, abruptly tapering subdistally to filiform tip; anterior pair of eyes situated dorsolaterally at widest ...