Isadia

Isadia is an extinct genus of prehistoric freshwater ray-finned fish from the order Eurynotoidiformes. It is known from the Permian of European Russia. The genus Amblypterina is partially considered a junior synonym of both Isadia and Kichkassia.

The following species are known:


 * I. arefievi Minikh et al. 2015
 * I. aristoviensis Minikh, 1990 (syn: Amblypterina grandicostata)
 * I. suchonensis (Minikh, 1986) (syn: Amblypterina pectinata)