Genus: Suchoprion COPE, 1877 (nomen dubium)
Etymology:

Species: cyphodon COPE, 1877 (nomen dubium)
Etymology:
= Palaeoctonus cyphodon (COPE, 1877) (nomen dubium)

Holotype: AMNH 2331

Horizon: Black limestone and marl in the Phoenixville tunnel, York County, Pennsylvania.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: Tooth.

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Species: sulcidens COPE, 1878 (nomen nudum)
Etymology:

Holotype:

Locality: Black limestone and marl in the Phoenixville tunnel, York County, Pennsylvania.

Horizon:

Biostratigraphy:

Age: Late Triassic.

Material: Tooth.