Sinamia is an extinct genus of freshwater amiiform fish which existed in China, Japan, South Korea and North Korea during the Early Cretaceous period. Like the related bowfin, it has an elongated low-running dorsal fin, though this was likely convergently evolved.
Taxonomy
After
Sinamia zdanskyi Stensiö, 1935 Meng-Yin Formation, Shangdong, China, Early Cretaceous
Sinamia huananensis Su, 1973 Yangtang Formation, Anhui, China, Early Cretaceous
Sinamia chinhuaensis Wei, 1976 Guantou Formation, Zhejiang, China, Early Cretaceous
Sinamia luozigouensis Li, 1984 Luozigou Formation, Jilin, China, Early Cretaceous
Sinamia meemanniana Liu & Zhang, 2026 Dalazi Formation, Jilin, China, Early Cretaceous
Sinamia poyangica Su and Li, 1990 Shixi Formation, Jiangxi, China, Early Cretaceous
↑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.