Dieneria is a genus of ceratitid ammonoid cephalopods from the Late Triassic of western North America with a smooth discoidal shall of which the venter
Dichotomoceras Dichotomosphinctes Dickersonia Dicostella Didymites Didymoceras Dieneria Difuntites Digitophyllites Dilatobactrites Dimeroceras Dimeroclymenia Dimorphinites
†Didymoceras †Didymoceras hornbyense – or unidentified comparable form †Dieneria – type locality for genus †Discohelix – tentative report †Discoscaphites
Paraganides P. califoraieus A genus of extinct ammonoid cephalopods. Dieneria D. arthaberi A genus of extinct ammonoid cephalopods belonging to the ceratitid
unidentified comparable form †Didymoceras vancouverensis †Dieneria – type locality for genus †Dieneria arthaberi – type locality for species †Dieneroceras †Dieneroceras