Genus: Staurikosaurus COLBERT, 1970
Etymology: Greek, staurikos, "of a cross," in allusion to the constellation of the Southern Cross, and Greek, sauros, “lizard”; Cross lizard.
= Teyuwasu KISCHLAT, 1999
Etymology: Tupi, te’yu, "lizard" and Tupi, wa’su, "big."

Species: pricei COLBERT, 1970
Etymology: In honor of Llewellyn Ivor Price, who has made extensive collections and studies of small reptiles in Brazil.

Holotype: MCZ 1669

Locality: Sanga Grande, or Sanga Biaxo, at "Alemoa," or Kilometer 3, on the eastern outskirts of the city of Santa Maria, Rio Grande do Sul, Brazil.

Horizon: Upper Santa Maria Member of the Santa Maria Formation, Alemoa Member.

Biostratigraphy: Rhynchocephalian (Scaphonyx) assemblage zone.

Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material: 2 mandibular rami, but not the symphyscal region, the dentaries showing the bases of some teeth in the alveoli, the distal portion of a scapula, the proximal end of the right humerus, 20 presacral vertebrae, three sacral vertebrae, 35 caudal vertebrae, a chevron, various ribs and rib fragments, right and left ilia, pubis and ischia, right and left femora, tibiae and fibulae, various fragments, not definitely identified.

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Referred material:

= Teyuwasu barberenai KISCHALT, 1999
Etymology: In honor of Dr. M. C. Barberena who introduced Edio-Ernst Kischalt to the Triassic world.

Holotype: Munchen Universitat, 1933L 53-54

Locality: Sanga Grande, Alemoa, a private piece of land no. 1945, on BR-509 road, on the outskirts of the city of Santa Maria, 53°45’W, 29°40’S, Rio Grande do Sul State, Brazil.
Note: This is presumably the locality known as ‘Wald Sanga’.

Horizon: Red mudstone of the Alemoa Member, Santa Maria Formation.

Biostratigraphy:

Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material: Right femur and right tibia.

Note: Was once part of Hoplitosuchus, HUENE, 1942.