Part of the type of Lewisuchus admixtus ROMER, 1972 (as per ARCUCCI, 1998)
Holotype: The collection of the National University of La Rioja Catalogued as PULR 001 (formerly Museo de La Plata 1964-"XI-14-14)
Locality: About 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: Elements of the second and third toes of pes.
Note: Part of an asymmetrical pes belongs to a smaller proterochampsid.
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JALIL, 1999
Locality: Gour Laoud, site 5003 of Busson, Illizi basin, eastern Sahara, Algeria near the Libyan border.
Horizon: Base of the Zarzaitine Formation, Base of the Lower Sandstones.
Biostratigraphy:
Age: Spathian Stage, Upper Scythian Epoch or Anisian Stage, Lower Mid Triassic, Late Early to Middle Triassic.
Material:
ZAR 20: Braincase.
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LECUONA, DESOJO & CERDA, 2020
Locality: Campo de Cordoba locality, La Rioja Province, Argentina.
Horizon: Lower member of the Chanares Formation.
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic.
Material:
Number: Not given: A scapulocoracoid and an oseoderm series.
Note: Found with Gracilisuchus stipanicicorum LECUONA, DESOJO & CEREDA, 2020
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PAES-NETO, LACERDA, EZCURRA, RAUGUST, TROTTEYN, SOARES, SCHULTZ, PRETTO, FRANCISCHINI & MARTINELLI, 2023
Locality: Unknown, Brazil.
Horizon: Unknown, "Santa Maria Formation".
Biostratigraphy:
Age: Ladinian Stage, Upper Mid Triassic Epoch, Middle Triassic.
Material:
MCP-4195-PV: Skull withouth anterior end and posterior hlaf of mandible.