<i>Alentiana palinpoda</i>, a new commensal polynoid species from a seamount in the Northwest Pacific Ocean

Yueyun Wang; Hong Cheng; Chunsheng Wang

doi:10.1007/s13131-021-1888-x

Volume 40 Issue 12

Dec. 2022

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Yueyun Wang, Hong Cheng, Chunsheng Wang. Alentiana palinpoda, a new commensal polynoid species from a seamount in the Northwest Pacific Ocean[J]. Acta Oceanologica Sinica, 2021, 40(12): 12-19. doi: 10.1007/s13131-021-1888-x

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Yueyun Wang, Hong Cheng, Chunsheng Wang. Alentiana palinpoda, a new commensal polynoid species from a seamount in the Northwest Pacific Ocean[J]. Acta Oceanologica Sinica, 2021, 40(12): 12-19. doi: 10.1007/s13131-021-1888-x

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Alentiana palinpoda, a new commensal polynoid species from a seamount in the Northwest Pacific Ocean

doi: 10.1007/s13131-021-1888-x

Yueyun Wang^{1, 2},
Hong Cheng^{1, 2},
Chunsheng Wang^{1, 2, 3, 4
,
,}

1.
Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China
2.
Key Laboratory of Marine Ecosystem Dynamics, Ministry of Natural Resources, Hangzhou 310012, China
3.
School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China
4.
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519080, China

Funds: The National Natural Science Foundation of China under contract No. 41806179; the China Ocean Mineral Resources Research and Development Association Program under contract Nos DY135-E2-2-03 and DY135-E2-2-07.

More Information

Corresponding author: wangsio@sio.org.cn
Received Date: 2021-06-22
Accepted Date: 2021-08-03

Available Online: 2021-09-29

Publish Date: 2021-11-25

Abstract

Abstract

Alentiana has only one member, A. aurantiaca (Verrill, 1885), commensal with sea anemone (Bolocera tuediae). Here, Alentiana palinpoda sp. nov., a second member in the genus Alentiana (subfamily Lepidastheniinae), a new commensal polynoid is described, based on a specimen collected from a deep-water seamount in the Northwest Pacific Ocean. The new species is characterized by large elytra that completely cover the dorsum and are present in every third segment in the posterior regions. Neuropodia are truncated, with two types of neurochaetae; supraacicular chaetae toothed on one side with a slightly inflated end, and subacicular chaetae that are heavy and smooth; the prechaetal lobe is larger than the postchaetal lobe, with the ventral part rolling upward and backward.
- Polynoidae,
- new species,
- systematics,
- taxonomy,
- commensalism

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References(21)

References

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