Species: chanarensis ROMER, 1971
Etymology: In reference to Los Chanares Formation.
= Lagerpeton canarensis PAUL, 1988 (sic)
Holotype: Museo de Paleontologia, Universidad Provincal de La Rioja, la Rioja, PULR 06 (formerly La Plata Museum no. 64-XI-14-10)
Locality: Approximaely 4 kilometers east of the Los Chanares locality, exposures on teh northern flank of teh north brancy of the Chanares River, about 4 1/2 miles east of the mouth of Rio Chanares, La Rioja Province, Argentina.
Horizon: Los Chanares Formation.
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.
Material: Both hind legs, fragmentary humerus, articulated radius and ulna.
Referred material:
Locality: Los Chanares, Department of Lavalle, La Rioja Province, Argentina.
Horizon: Los Chanares Formation.
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.
Material:
PVL 4619: Pelvis, 2 sacral vertebrae, femur, tibia, fibula, astragalus and calcainum, 4 metatarsals, phalanges and unguals.
PVL 4625: Dorsal and sacral vertebrae, 9 caudals, partial pelvis, femur and proximal portion of a tibia.
Number?: Both femora, fibula, partial fibula, partial tibia, right ilium, dorsal vertebrae and sacrals.
MCZ 3691: Slab with gomphodonts.
Number: Not given: Two pairs of slender tibiae and fibulae.
McCabe & Nesbitt, 2021
MCZ 101542: Left scapulocoracoid, left humerus, and distal end of left femur.
Locality: 4 km north of the mouth of the Chanares River, La Rioja Province, Argentina.Horizon: Los Chanares Formation.
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.
Material:
MCZ 4121: Right femur, left femur missing distal end, fibula, partial fibula, partial tibia, right ilium, 3 dorsal and 2 sacral vertebrae.
Note: Found in a block with the type of Lewisuchus admixtus.
SERENO & ARCUCCI, 1993
PVL 5000: Proximal left femur.
= Lagosuchus talampayensis ROMER, 1972 (referred material)
Etymology:Holotype: Instituto Lillo
Locality: Aqua de la Pena Group, 2 km N of mouth of the Rio Chanares, Chanares beds, La Rioja Province, Argentina.
Horizon: Los Chanares Formation.
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Late Triassic.
Material: Complete left leg, 2 sacrals, ribs, and caudals.