Species: chiton BROILI, 1904
Etymology:
Holotype: Museum of the Alte Akademie, Munich nos. 84 and 85
Locality: Unknown, Texas.
Horizon: Arroyo Formation, Clear Fork Group.
Biostratigraphy:
Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.
Material: Fragmentary skull and other portions of the vertebral column and
dermal armor.
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CARROLL, 1964
Locality: 1 mile northwest of Padgett, northeast part, WM, Tryndale Survey, Young County, Texas.
Horizon: Moran Formation.
Biostratigraphy:
Age: Early Permian.
Material:
MCZ 2740: 3 neural spines with fused plates.
Locality: Archer City bone bed, Archer County, Texas.
Horizon: Archer City Formation (formerly Putnam Formation), Wichita Group.
Biostratigraphy:
Age: Leonardian series, Upper Rotilegendes Epoch, Early Permian.
Material:
MCZ 1701: Armor.
Locality: Briar Creek bone bed, Section 32, Dallas County school land, Archer County, Texas.Horizon: Admiral Formation, Wichita Group.
Biostratigraphy:
Age: Leonardian series, Upper Rotilegendes Epoch, Early Permian.
Material:
MCZ 2745: Armor.
MCZ 3162: Armor.
Locality: Wm. Mann survey, Section 40, A-271, southwest of Dundee, Archer County, Texas.
Horizon: Belle Plains Formation, Whichita Group.
Biostratigraphy:
Age: Wolfcampanian, Lower Rotliegendes Epoch, Early Permian.
Material:
MCZ 2528: Armor.
Locality: 4 miles east of Rendham, southwest part of Fayette County school land, Baylor County, Texas.Horizon: Belle Plains Formation, Whichita Group.
Biostratigraphy:
Age: Wolfcampanian, Lower Rotliegendes Epoch, Early Permian.
Material:
MCZ 2529: Armor.