Genus: Alegeinosaurus CASE, 1911
Etymology:

Species: aphthitos (CASE, 1907) CASE, 1911
Etymology:

Holotype: AMNH 4556

Locality: Coffee Creek, Willbarger County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material: Partial anterior axial and appendicular skeleton, including several articulated segments of dorsal dermal armor.
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Sp

GUBIN, 1993

Locality: Left tributary of Vym’ River, 1.1 km below mouth of Koin River, Vychegda River Basin, Komi Republic, European Russia.

Horizon:

Biostratigraphy:

Age: Lowest Kazanian Substage, Wordian Stage, Lower Guadelupian Subepoch, Lower Zechstein Epoch, Late Permian.

Material:

PIN 4416/23: Dorsal scute.