A new species of Ophiura (Echinodermata, Ophiuroidea) from Miocene deep-sea deposits in the Pohang Basin, Korea

被引：4

作者：

Ishida, Yoshiaki ^{[1
]}

Thuy, Ben ^{[2
]}

Nam, Gi-Soo ^{[3
]}

Martynov, Alexander ^{[4
]}

Fujita, Toshihiko ^{[5
]}

Kim, Jong-Heon ^{[6
]}

机构：

[1] 2-20-13 Kami,Suginami Ku, Tokyo 1670043, Japan

[2] Natl Museum Nat Hist, 24 Rue Munster, L-2160 Luxembourg, Luxembourg

[3] Gongju Natl Univ Educ, 27 Woongfinro, Gongju Si 32553, Chungcheongnam, South Korea

[4] Moscow MV Lomonosov State Univ, Zool Museum, Bolshaya Nikitskaya Str 6, Moscow 125009, Russia

[5] Natl Museum Nat & Sci, 4-1-1 Amakubo, Tsukuba, Ibaraki 3050005, Japan

[6] Kongju Natl Univ, 56 Gongjudaehak Ro, Gongju Si 32588, Chungcheongnam, South Korea

来源：

PALEONTOLOGICAL RESEARCH | 2022年 / 26卷 / 01期

关键词：

Dense aggregations; Duho Formation; Neogene; Ophiuridae; Paleoenvironment; Taxonomy; DUHO FORMATION; YEONIL GROUP;

D O I：

10.2517/PR200002

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Dense aggregations of articulated ophiuroids, in external mould preservation, were discovered in the middle Miocene Duho Formation (Yeonil Group) of Pohang City, near the southeast coast of Korea. These specimens are here described as a new species, Ophiura pohangensis, which differs from congeners in having long, slender oral papillae, and tiny quadrangular arm comb papillae. The new species constitutes the first well-identified example of the class Ophiuroidea in the fossil record of Korea. Aggregation density of the new species is similar to that of occurrences of both fossil and extant Ophiura sarsii sarsii across Japan.

引用

页码：18 / 30

页数：13

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