A new species of Amphictene (Annelida, Polychaeta Pectinariidae) from off Kushiro, Hokkaido, Japan

被引：0
|
作者：
Nishi, Eijiroh [1 ]
Tomioka, Shinri [2 ]
Jimi, Naoto [3 ,4 ]
Fujiwara, Yoshihiro [5 ]
Kupriyanova, Elena k. [6 ,7 ]
机构：
[1] Yokohama Natl Univ, Coll Educ, Yokohama 2408501, Japan
[2] Rishiri Town Museum, 136 Rishiri, Rishiri, Hokkaido 0970311, Japan
[3] Nagoya Univ, Grad Sch Sci, Sugashima Marine Biol Lab, 429-63 Sugashima, Toba, Mie 5170004, Japan
[4] Univ Sains Malaysia, Ctr Marine & Coastal Studies, George Town 11800, Malaysia
[5] JAMSTEC, Deep Sea Biodivers Res Grp, Res Inst Global Change, 2-15 Natsushima Cho, Yokosuka 2370061, Japan
[6] Australian Museum, Australian Museum Res Inst, 1 William St, Sydney 2010, Australia
[7] Macquarie Univ, Dept Biol Sci, N Ryde, NSW 2109, Australia
来源：
PLANKTON & BENTHOS RESEARCH | 2024年 / 19卷 / 01期
关键词：
Terebellomorpha; taxonomy; uncini; ultrastructure; SEA; REVISION;
D O I：
10.3800/pbr.19.51
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
We describe here a new species of Amphictene (Annelida, Polychaeta, Pectinariidae) from a depth of 1160 m off Kushiro, East Hokkaido, Japan. Amphictene hokkaido sp. nov. is characterized by the presence of following characters: a pair of ventral lappets in segment 1; ventro-median lobes in segments 2-4; anterior conical or rounded lappets on ventro-lateral lobe of segment 2; dorso-lateral pads in segments 3 and 4; 17 segments with chaetae on notopodia, 13 segments with uncini on neuropodia; notopodia in segment 21 with notopodial lappets beneath chaetal tuft; neuropodial uncini with 4-5 main teeth and subrostral process on basal prow; 7-9 pairs of scaphal hooks; scaphe with anterior median lobe and four pairs of lateral lobes; anal lobe with an anal cirrus and a row of postero-ventral minute cirri. We provide a diagnostic key to species of the genus.
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页码：51 / 59
页数：9
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