Genus: Palaeoctonus COPE, 1877 (nomen dubium)
Etymology:
= Palaeochtinus MEHL, 1915 (sic)
= Palaeoctomus Huene, 1902 (sic)
Species: appalachianus COPE, 1877 (nomen dubium)
Etymology:
Holotype: AMNH 2320.
Horizon: Black limestone and marl in the Phoenixville tunnel, York County, Pennsylvania.
Horizon:
Biostratigraphy:
Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.
Material: Posterior Tooth.
Referred material:
AMNH 2337: Anterior tooth.
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Species: aulacodus COPE, 1878 (nomen dubium)
Etymology:
= Suchoprion
aulacodus (COPE, 1878) (nomen dubium)
Holotype: AMNH 2355
Horizon: Black limestone and marl in the Phoenixville tunnel, York County, Pennsylvania.
Horizon:
Biostratigraphy:
Age: Late Triassic.
Material: Anterior tooth.
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Species: orthodon COPE, 1893 (nomen dubium)
Etymology:
= Nicrosaurus
orthodon (COPE, 1893) (nomen dubium)
Holotype:
Locality: Paladuro Canyon, northwestern Texas.
Horizon: Dockum Formation.
Biostratigraphy:
Age: Carnian-?Rhaetian Stage, Late Triassic Epoch, Late Triassic.
Material: A single anterior tooth.
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Species: dumblianus COPE, 1893 (nomen dubium)
Etymology:
= Nicrosaurus
dumblianus (COPE, 1893) (nomen dubium)
Holotype:
Locality: Paladuro Canyon, Northwestern Texas.
Horizon: Dockum Formation.
Biostratigraphy:
Age: Carnian-?Rhaetian Stage, Late Triassic Epoch, Late Triassic.
Material: Numerous teeth.