Genus Promyalina Kittl, 1904

Type species. Promyalina hindi Kittl, 1904; Permian, Changhsingian; near Sarajevo, Bosnia-Herzegovina.

Diagnosis. Outline mytiliform and less triangular than Myalina; dorsal margin slightly convex, moderately thickened; narrow beak present. Left valve inflated below the umbo. Inequivalve with the right valve being less inflated and less curved.