Genus: Silescelida GARCIA, CERQUEIRA, BATTISTA, de ANDRADE & MÜLLER, 2026
Etymology: Latin, siles, "silence," and Greek, skeles, "hind leg": referencing the loss of the proximal femur bearing the specimens' collection code, which obscured its provenance untile its recent rediscovery.

Species: acristata GARCIA, CERQUEIRA, BATTISTA, de ANDRADE & MÜLLER, 2026
Etymology: Latin prefix, a-, "without," and Latin, cristata, "crested": referring to the absence of a crest or flange attachemnt site for the m. caudofemoralis (= foruth trochanter), a diagnostic feature of this taxon.

Holotype: MCP 4186-PV

Locality: Posto (or Posto de Gasolina: Fogliarin) site, 29°37'38.9"W, 53°22'06.5"W, Dona Francisca Municipality, Rio Grande do Sul State, Brazil.

Horizon: Pinheiros-Chiniqua Sequence, Santa Maria Supersequence.

Biostratigraphy: Dinodontosaurus AZ.

Age: Ladinian Stage, Late Mid Triassic Epoch, Late Middle Triassic.

Material: Left scapula, rigth ilium, and a left femur.