Karksiodus mirus Ivanov et Märss, 2011

Diagnosis. Teeth with diplodont tricuspid crown directed lingually; long, sigmoidally curved lateral cusps with inner lateral carina; all cusp sides finely striated by numerous cristae; small central cusp displaced labially; arched base insignificantly extended lingually and labio-basally, turned up lingually, bearing prominent tube of transversal basal canal; teeth with orthodont crown and strongly vascularized base