Genus Warthia Waagen, 1880

Type species. Warthia brevisinunata Waagen, 1880; Middle Permian, Salt Range, Pakistan.

Diagnosis. The generic diagnosis follows Waterhouse (1963). Deeply involute planispirally coiled bellerophont gastropod, distinguished by absence of spiral ornament. Sinus is broad, usually with a short slit. Selenizone obscured by inductural layer. Ornament of faint growth lines and growth wrinkles. Umbilicus generally filled.