A new species of genus <italic style="font-style: italic">Thalassometra</italic> AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific

Shao’e SUN; Zijie MEI; Zhongli SHA

doi:10.1007/s00343-024-3254-2

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A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific

Biology | Updated：2025-08-07

- A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific
- A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific
- 海洋湖沼学报(英文) 2025年43卷第4期页码：1313-1319
- Affiliations：
  
  1.Department of Marine Organism Taxonomy and Phylogeny, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
  2.Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao 266237, China
  3.Shandong Province Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
  4.University of Chinese Academy of Sciences, Beijing 100049, China
- Author bio：
  
  shazl@qdio.ac.cn
- Funds：
  
  the Science and Technology Innovation Project of Laoshan Laboratory(LSKJ202203100);the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB42000000)
- DOI：10.1007/s00343-024-3254-2
  中图分类号：
- 收稿：2023-11-27，
  
  纸质出版：2025-07-01
- Accepted：
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A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific[J]. 海洋湖沼学报(英文), 2025,43(4):1313-1319.

SUN Shao’e,MEI Zijie,SHA Zhongli.A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific[J].Journal of Oceanology and Limnology,2025,43(04):1313-1319.
A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific[J]. 海洋湖沼学报(英文), 2025,43(4):1313-1319. DOI： 10.1007/s00343-024-3254-2.

SUN Shao’e,MEI Zijie,SHA Zhongli.A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific[J].Journal of Oceanology and Limnology,2025,43(04):1313-1319. DOI： 10.1007/s00343-024-3254-2.

摘要

Abstract

During the expedition to an unnamed seamount of Caroline Ridge in the northwest Pacific Ocean

one

Thalassometra

specimen was sampled

and careful morphological assessment suggested that this specimen represents a new species within the genus

Thalassometra

brachia

sp. nov. This new species was collected at a depth of 688 m and is characterized by the dome-like centrodorsal

large number of arms (43 in total)

irregularly arranged sockets with three per radial area

P2 and P3

similar in size and character and smaller than P1

spinous median carination on the first and second ossicles of the division series and on the first two brachials

and dense spicules in brachial bases.

关键词

Keywords

references

Clark A H . 1950 . A Monograph of the Existing Crinoids . The Comatulids, Vol .1—Superfamily Tropiometrid a, Part 4 c, the Families Thalassometridae and Charitometridae. Government Printing Office, Washington, DC. 383p.

Clark A M . 1980 . Crinoidea collected by the Meteor and Discovery in the NE Atlantic . Bulletin of the British Museum (Natural History) Zoology , 38 ( 4 ): 187 - 210 , https://doi.org/10.5962/p.‍12616 https://doi.org/10.5962/p.‍12616 .

Eléaume M , Améziane N , Park Y H . 2004 . Re-evaluation of the systematics of two deep-sea species of Thalassometra (Echinodermata: Crinoidea) and its biogeographical implications . Journal of Natural History , 38 ( 15 ): 1949 - 1968 , https://doi.org/10.1080/0022290310001613566 https://doi.org/10.1080/0022290310001613566 .

Hess H , Messing C G . 2011 . Comatulida . In: Hess H, Messing C G, Ausich W I eds. Treatise on Invertebrate Paleontology . Part T, Ech inodermata 2 Revised, Crinoidea, Vol. 3 . University of Kansas Press, Lawrence, Kansas. p. 70 - 146 . https://do 10.17161/dt.v0i0.5392 http://dx.doi.org/10.17161/dt.v0i0.5392

Lapointe A , Watling L . 2022 . Towards a revision of the bamboo corals (Octocorallia): part 5, new genera and species of Keratoisididae from the Tasmanian deep sea . Zootaxa , 5168 ( 2 ): 137 - 157 , https://doi.org/10.11646/zootaxa.5168.2.3 https://doi.org/10.11646/zootaxa.5168.2.3 .

Messing C G . 1997 . Living comatulids . The Paleontological Society Papers , 3 : 3 - 30 , https://doi.org/10.1017/S1089332600000188 https://doi.org/10.1017/S1089332600000188 .

Messing C G , Améziane N , Eléaume M . 2000 . Echinodermata Crinoidea: comatulid crinoids of the KARUBAR expedition to Indonesia. The families Comasteridae, Asterometridae, Calometridae and Thalassometridae . Memoires du Museum National d’Histoire Naturelle , 21 ( 184 ): 627 - 702 .

Prokofiev A M , Emelyanova O R , Orlov A M et al . 2022 . A new species of Diaphus associated with seamounts of the Emperor Chain, North-Western Pacific Ocean (Teleostei: Myctophiformes: Myctophidae) . Journal of Marine Science and Engineering , 10 ( 1 ): 65 , https://doi.org/10.3390/jmse10010065 https://doi.org/10.3390/jmse10010065 .

Wang Y R , Sha Z L , Sun S E . 2023 . Integrative taxonomy reveals two new species of Lebbeus (Decapoda: Thoridae) from seamounts in NW Pacific, and questions the validity of the genus Paralebbeus . Deep Sea Research Part I : Oceanographic Research Papers , 197 : 104044 , https://doi.org/10.1016/j.dsr.2023.104044 https://doi.org/10.1016/j.dsr.2023.104044 .

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A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific

A new species of genus Thalassometra AH Clark, 1907 (Crinoidea: Tropiometroidea: Thalassometridae) from a seamount on the Caroline Ridge in the northwest Pacific

DOI：10.1007/s00343-024-3254-2

摘要

Abstract

关键词

Keywords

references