Classification of Zelenitsky and Hills 1996
Fm. †Prismatoolithidae Hirsch 1994
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G. †Preprismatoolithus Zelenitsky and Hills 1996
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†Preprismatoolithus coloradensis Hirsch 1994
Invalid names: Prismatoolithus Hirsch 1994 [replaced]
G. †Prismatoolithus Zhao and Li 1993
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†Prismatoolithus gebiensis Zhao and Li 1993
†Prismatoolithus matellensis Vianey-Liaud and Crochet 1994
†Prismatoolithus tenuis Vianey-Liaud and Crochet 1994
Invalid names: Prismatoolithus Vianey-Liaud and Crochet 1994 [synonym]
G. †Protoceratopsidovum Mikhailov 1994