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.

引用

页码：51 / 59

页数：9

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