Chaetozone pigmentata Blake, 2015, new species
Chaetozone pigmentata new species Figures 3–4 Chaetozone setosa : Pettibone 1954, p. 287‒288, in part (not Fig. 33d = Tharyx alaskensis n. sp ); Pettibone 1956: p. 562; Blake & Dean 1973, p. 34, in part. Not Malmgren 1867. Material examined. Canadian Arctic, offshore Baffin Island, East Angiak I...
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Format: | Other/Unknown Material |
Language: | unknown |
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Zenodo
2015
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Online Access: | https://doi.org/10.5281/zenodo.5664930 http://treatment.plazi.org/id/9A3E87FEEB67FFD4D2F7F8A1FCD4FBE7 |
Summary: | Chaetozone pigmentata new species Figures 3–4 Chaetozone setosa : Pettibone 1954, p. 287‒288, in part (not Fig. 33d = Tharyx alaskensis n. sp ); Pettibone 1956: p. 562; Blake & Dean 1973, p. 34, in part. Not Malmgren 1867. Material examined. Canadian Arctic, offshore Baffin Island, East Angiak Island, R/V Hero Sta. 20, 132– 245 m, 65°43ʹN, 62°05ʹW, coll. J.A. Blake, 14 Aug 1968, holotype (USNM 51221), 45 paratypes (USNM 1263246).— Off Labrador, Hebron Fjord , Blue Dolphin Sta. 27, 174 m, 58°11.4ʹN, 62° 34.2ʹW, coll. D.C. Nutt, 8 Aug 1949, Otter trawl, mud bottom, 16 specimens (USNM 22815); Sta. 28, 229 m, 58°09ʹN, 62°45.7ʹW, coll. D.C. Nutt, 8 Aug 1949, Otter trawl, 30+ specimens (USNM 22816).— Alaskan Arctic, Off Point Barrow , 104 m, offshore, coll. G.E. McGinitie, 11 Oct 1949, dredged, rocks, stones, gravel, 1 specimen (USNM 22803); 138 m, offshore, coll. G.E. McGinitie, 11 Oct. 1949, dredged, rocks and stones, 1 specimen (USNM 22804); 128 m, 7 mi offshore, coll. G.E. McGinitie, 0 9 Aug 1949, dredged, stones and gravel, 3 specimens (USNM 22805); 138 m, 8 mi offshore, coll. G.E. McGinitie, 11 Oct 1949, dredged, rocks, stones, gravel, 4 specimens (USNM 22806); 66 m, 7.5 mi offshore, coll. G.E. McGinitie, 6 September 1949, dredged, removed from rock and growth on rock, 4 specimens (USNM 22807); 226 m, 12.1 mi offshore, coll. G.E. McGinitie, 17 Aug 1950, dredged, mass of worm tubes, 1 specimen (USNM 22808); 38 m, offshore, coll. G.E. McGinitie, 0 9 Sep 1948, dredged, 1 specimen (USNM 22809); 40 m, offshore, 4 miles out, coll. G.E. McGinitie, 0 9 Aug 1949,stones, gravel, from surface of tunicates, 1 specimen (USNM 22811); 36.5 m, offshore, coll. G.E. McGinitie, 15 Sep 1948, 2 specimens (USNM 22813). Description. A moderately sized species, holotype complete, 8.2 mm long, 0.8 mm wide across setigers 15–30, for 80 setigerous segments. Some complete paratypes up to 14 mm long, 1.2 mm wide for about 100 setigers; largest specimens from Baffin Island collection. Body widest in anterior 15–30 setigers, narrowing ... |
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