Sinamia

Sinamia; Temporal range: Early Cretaceous PreꞒ Ꞓ O S D C P T J K Pg N
	Fossil specimen
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Clade:	Halecomorphi
Order:	Amiiformes
Family:	Amiidae
Subfamily:	† Sinamiinae
Genus:	† Sinamia ; Stensiö, 1935

Last updated August 26, 2025

Sinamia is an extinct genus of freshwater amiiform fish which existed in China, Japan, South Korea^[1] and North Korea^[2] during the Early Cretaceous period.^[3] Like the related bowfin, it has an elongated low-running dorsal fin, though this was likely convergently evolved.^[4]

Taxonomy

After^[4]

Sinamia zdanskyiStensiö, 1935 Meng-Yin Formation, Shangdong, China, Early Cretaceous
Sinamia huananensisSu, 1973 Yangtang Formation, Anhui, China, Early Cretaceous
Sinamia chinhuaensisWei, 1976 Guantou Formation, Zhejiang, China, Early Cretaceous
Sinamia luozigouensisLi, 1984 Luozigou Formation, Jilin, China, Early Cretaceous
Sinamia poyangicaSu and Li, 1990 Shixi Formation, Jiangxi, China, Early Cretaceous
Sinamia liaoningensisZhang, 2012 Yixian Formation, Jiufotang Formation, Liaoning, China, Early Cretaceous (Aptian)
Sinamia kukurihimeYabumoto, 2014 Kuwajima Formation, Ishikawa, Japan, Early Cretaceous (Barremian)
Sinamia lanzhoensisPeng, Murray, Brinkman, Zhang & You, 2015 Hekou Group, Gansu, China, Early Cretaceous

References

↑ Yabumoto, Y.; Yang, S.Y.; Kim, T.W. (2006). "Early Cretaceous freshwater fishes from Japan and Korea" (PDF). Journal of the Paleontological Society of Korea. 22 (1): 119–132. S2CID 53309909.
↑ Kim, Phyong-Song; Ri, Sang-Ryong; An, Yong-Il; Kim, Myong-Hak; Pak, Kwang-Hyok; Jo, Kang-Song; So, Kwang-Sik (November 2023). "First occurrence of Sinamia (Amiiformes, Sinamiidae) from the Upper Cretaceous Seson Formation, Democratic People's Republic of Korea". Cretaceous Research. 151: 105633. doi:10.1016/j.cretres.2023.105633.
↑ Xiaolin Wang; Yuanqing Wang; Fan Jin; Xing Xu & Yuan Wang (1999). "Vertebrate assemblages of the Jehol Biota in western Liaoning, China". In Yuanqing Wang & Tao Deng (eds.). Proceedings of the Seventh Annual Meeting of the Chinese Society of Vertebrate Paleontology (PDF). Beijing: China Ocean Press. pp. 1–12.
1 2 Yabumoto, Yoshitaka (January 2017). "A Revision of the Amiiform Fish Genus Sinamia with Phylogeny of Sinamiidae" . Paleontological Research. 21 (1): 76–92. doi: 10.2517/2016PR008 . ISSN 1342-8144. S2CID 90701678.

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[1] Yabumoto, Y.; Yang, S.Y.; Kim, T.W. (2006). "Early Cretaceous freshwater fishes from Japan and Korea" (PDF). Journal of the Paleontological Society of Korea. 22 (1): 119–132. S2CID 53309909.

[2] Kim, Phyong-Song; Ri, Sang-Ryong; An, Yong-Il; Kim, Myong-Hak; Pak, Kwang-Hyok; Jo, Kang-Song; So, Kwang-Sik (November 2023). "First occurrence of Sinamia (Amiiformes, Sinamiidae) from the Upper Cretaceous Seson Formation, Democratic People's Republic of Korea". Cretaceous Research. 151: 105633. doi:10.1016/j.cretres.2023.105633.

[3] Xiaolin Wang; Yuanqing Wang; Fan Jin; Xing Xu & Yuan Wang (1999). "Vertebrate assemblages of the Jehol Biota in western Liaoning, China". In Yuanqing Wang & Tao Deng (eds.). Proceedings of the Seventh Annual Meeting of the Chinese Society of Vertebrate Paleontology (PDF). Beijing: China Ocean Press. pp. 1–12.

[:0-4] 1 2 Yabumoto, Yoshitaka (January 2017). "A Revision of the Amiiform Fish Genus Sinamia with Phylogeny of Sinamiidae" . Paleontological Research. 21 (1): 76–92. doi: 10.2517/2016PR008 . ISSN 1342-8144. S2CID 90701678.

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