Sinamia

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

AfterSinamia zdanskyi Stensiö, 1935 Meng-Yin Formation, Shangdong, China, Early CretaceousSinamia huananensis Su, 1973 Yangtang Formation, Anhui, China, Early CretaceousSinamia chinhuaensis Wei, 1976 Guantou Formation, Zhejiang, China, Early CretaceousSinamia luozigouensis Li, 1984 Luozigou Formation, Jilin, China, Early CretaceousSinamia poyangica Su and Li, 1990 Shixi Formation, Jiangxi, China, Early CretaceousSinamia liaoningensis Zhang, 2012 Yixian Formation, Jiufotang Formation, Liaoning, China, Early Cretaceous Sinamia kukurihime Yabumoto, 2014 Kuwajima Formation, Ishikawa, Japan, Early Cretaceous Sinamia lanzhoensis Peng, Murray, Brinkman, Zhang & You, 2015 Hekou Group, Gansu, China, Early Cretaceous