Sinamia

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]

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

Taxonomy

After^[4]

• 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 poyangica Su and Li, 1990 Shixi Formation, Jiangxi, China, Early Cretaceous
• Sinamia liaoningensis Zhang, 2012 Yixian Formation, Jiufotang Formation, Liaoning, China, Early Cretaceous (Aptian)
• Sinamia kukurihime Yabumoto, 2014 Kuwajima Formation, Ishikawa, Japan, Early Cretaceous (Barremian)
• Sinamia lanzhoensis Peng, Murray, Brinkman, Zhang & You, 2015 Hekou Group, Gansu, China, Early Cretaceous