A new species of Stegophiura (Ophiuroidea, Ophiopyrgidae) from the mid-Cretaceous of southern Japan

被引：6

作者：

Ishida, Yoshiaki ^{[1
]}

Thuy, Ben ^{[2
]}

Fujita, Toshihiko ^{[3
]}

Kadokawa, Masaru ^{[4
]}

Ikegami, Naoki ^{[5
]}

Numberger-Thuy, Lea D. ^{[2
]}

机构：

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

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

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

[4] 2-13-24 Sakuragi,Higashi Ku, Kumamoto, Kumamoto 8612101, Japan

[5] Mifune Dinosaur Museum, 995-6 Mifune, Mifune, Kumamoto 8613207, Japan

来源：

SWISS JOURNAL OF PALAEONTOLOGY | 2018年 / 137卷 / 02期

基金：

日本学术振兴会;

关键词：

Mesozoic; Cenomanian; Kumamoto; Classification; New species; Palaeoenvironment; ECHINODERMATA;

D O I：

10.1007/s13358-018-0168-7

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Well-preserved external moulds of articulated brittle stars from the middle to late Cenomanian (early-Late Cretaceous) Lower formation of the Mifune Group on the island of Kumamoto, southern Japan, are described as a new species of the genus Stegophiura, S. miyazakii. Extinct (Late Cretaceous) species previously assigned to Stegophiura are now shown to represent other genera; here, we transfer S.? hagenowi and S.? nekvasilovae to the extant ophiopezid genus Ophiopeza and S.? trispinosa to the extinct ophiacanthid Sabinacantha. The present specimens are thus inferred to be the sole wholly extinct representative and the oldest record of the genus Stegophiura.

引用

页码：319 / 325

页数：7

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