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Report Fossil
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By oilshale
Kingdom: Animalia
Phylum: Chordata
Class: Actinopteri Cope 1871
Order: incertae sedis
Family: incertae sedis
Genus: Teffichthys
Species: Teffichthys sp.
Eon: Phanerozoic
Era: Paleozoic
Period: Triassic
Sub Period: None
Epoch: Early
International Age: Induan
Qingshan Group
Lower Qinglong Formation
Acquired by: Purchase/Trade
Qingshan Quarry
Jurong City
Jiangsu Province
China
Taxonomy from Fossilworks.org.
I originally identified the fish as Plesioperleidus yangtzensis. The identification was corrected by Prof. Guang-Hui Xu, Chinese Academy of Sciences. It is possibly an undescribed species.
'Dear Thomas,
The specimen Ch2209 has a pterygial formula of D25/P16, A22, C33/T~40, a relatively short and deep body with striated scales. It does not belong to Plesioperleidus yangtzensis (which has 51 lateral line scales). Instead, it resembles Teffichthys wui, but differs from the later mainly in striated scales, a slightly more posteriorly located dorsal fin, a few more lateral line scales. I think it might represent Teffichthys sp.'
References:
D. Su (1981) A New Species of Perleidus from Anhui. Vertebrata PalAsiatica 19(2):107-112.
MP Qian, SP Zhu, FM Zhao, XD Zhou, R Su & GH Gu (1997) Discovery of Early Triassic fish fossils and its significances in Jurong, Jiangsu Province. Jiangsu Geology 21, 65-71, 1997.
Jin, F., Wang, N.Z., Cai, Z.Q. (2003) A revision of the perleidid fishes from the lower Yangtze region of South China-second report on the fish sequence study near the Permian-Triassic boundary in South China. Vertebr. PalAsiatica 41, 181–190 (In Chinese with English abstract).
Li, Q.G. (2009) A new parasemionotid-like fish from the Lower Triassic of Jurong, Jiangsu Province, South China. Palaeontology 52, 369–384.
Xincheng Qiu, Yaling Xu, Zhong-Qiang Chen, Michael J. Benton, Wen Wen, Yuangeng Huang, Siqi Wu (2019) The Early Triassic Jurong fish fauna, South China: Age, anatomy, taphonomy, and global correlation. Global and Planetary Change, Volume 180, 33-50.
Xu G H, Yuan Z W, Ren Y et al., in press. Teffichthys wui sp. nov., a new perleidid fish from the Early Triassic of Jiangsu and Anhui, China. Vertebrata PalAsiatica. DOI: 10.19615/j.cnki.2096-9899.240528
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