Journal
PALAEONTOLOGY
Volume 60, Issue 4, Pages 511-518Publisher
WILEY
DOI: 10.1111/pala.12306
Keywords
Olivooides; Quadrapyrgites; Scyphozoa; Cnidaria; Cambrian Fortunian Stage; South China
Categories
Funding
- National Natural Science Foundation of China [41572007, 41572009]
- Youth Innovation Promotion Association, Chinese Academy of Sciences [2016283]
- College Students' Innovative Entrepreneurial Training Program of Chang'an University [201610710043, 201610710044, 201610710045, 201610710047, 0012-310600161000, 0012-310627171808]
- Tenth 'Challenge Cup' Competition of Chang'an University [C-P-B-2, C-P-B-6, C-P-B-8]
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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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