Aricidea (Strelzovia) quadrilobata Webster & Benedict, 1887

Sikorski, Andrey, 2017, The Paraonidae (Annelida: Sedentaria) from Norway and adjacent seas, with two new species, four new records, and a redescription of Paraonides nordica Strelzov, 1968 based on type material, Zootaxa 4320 (1), pp. 41-67 : 45-46

Aricidea (Strelzovia) quadrilobata Webster & Benedict, 1887

Aricidea quadrilobata Webster & Benedict, 1887: 739 –740, pl. 7, figs 93–96; Campoy 1981: 16, fig. 2. Aricidea (Allia) quadrilobata .— Strelzov 1973: 88 –91, fig. 37; Gaston 1984: 2.20–2.23, fig. 2.18. Aricidea (Strelzovia) quadrilobata .— Aguirrezabalaga 2012: 207 –210, figs 85–86.

Aricidea annae Laubier, 1967: 106 –112, figs 2–3.

Material examined. 2785 Snøhvit SN 06; 71.4973°N – 21.1317°E ; 343 m; 12.06.2003; seven specimens. 2876 Finnmark 660; 70.1617°N – 21.4450°E ; 85 m; 19.09.2003; ten specimens. 3940 Askeladd Beta SA–06; 71.4765°N – 20.4416°E ; 274 m; 27.06.2007; one specimen. 3940 Askeladd Beta SA–10; 71.4789°N – 20.4405°E ; 275 m; 27.06.2007; one specimen. 4000 Nucula N–01; 71.5504°N – 25.2453°E ; 298 m; 23.06.2007; one specimen.

Diagnosis. Antenna very long, reaching second chaetiger and further. Secondary ciliary organs present. Three prebranchial segments. Dorsal podial lobes of chaetigers 1 and 2 clearly shorter than those of chaetiger 3. Branchiae numbering up to 29 pairs; flat and abruptly tapering to a filiform tip. Modified notochaetae absent.

Modified neurochaetae gradually tapering, terminal spine as continuation of tip; ventral-most ones clearly thicker and more strongly curved than the rest

Distribution. Western Atlantic from Maine ( Webster & Benedict 1887) to Gulf of Mexico ( Gaston 1984), and from Argentina to Uruguay ( Strelzov 1973). Eastern Atlantic, from Norway ( Rygg 2002) to Bay of Biscay ( Campoy 1981). Arctic, from the Jan Mayen ( Bakken et al. 2010) to the Chukchi Sea ( Strelzov 1973). Mediterranean ( Katzmann & Laubier 1975). Subantarctic ( Strelzov 1973).