Species: americanus (ARAUJO, 1985) LEE, 1997
Etymology:
Holotype: UFRGS PV 0231 P
Locality: Bage-Acegua Highway, Rio Grande do Sul State, Brazil.
Horizon: Rio do Rasto Formation.
Biostratigraphy:
Age: Late Permian.
Referred material:
UFRGS PV 0233 P: Dorsal and caudal vertebrae, ribs, pelvis, osteoderms, femur, humerus, radius, ulna, tibia, fibula and pedal elements.