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A new scyphozoan from the Cambrian Fortunian Stage of South China
Author(s) -
Liu Yunhuan,
Shao Tiequan,
Zhang Huaqiao,
Wang Qi,
Zhang Yanan,
Chen Cheng,
Liang Yongchun,
Xue Jiaqi
Publication year - 2017
Publication title -
palaeontology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.69
H-Index - 63
eISSN - 1475-4983
pISSN - 0031-0239
DOI - 10.1111/pala.12306
Subject(s) - fauna , stage (stratigraphy) , paleontology , china , biology , ecology , geography , archaeology
Animals with radial symmetry are abundant in the Cambrian Fortunian Stage of South China, but with relatively low diversity: representatives include Olivooides , Quadrapyrgites , carinachitiids, hexangulaconulariids and Pseudooides . Here, we report a new radial animal, Qinscyphus necopinus gen. et sp. nov., from the Fortunian small shelly fauna of southern Shaanxi Province, South China. Qinscyphus necopinus has a cup‐shaped profile, with slightly raised annuli and five groups of triangular thickenings in pentaradial symmetry. This organism has a comparable morphology to, and thus a close affinity with, Olivooides and Quadrapyrgites , and is interpreted as a coronate scyphozoan. This discovery adds a new crown‐group cnidarian to the Cambrian Explosion.

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