Genus: Sigmala FRASER, 1986
Etymology:

Species: sigmala FRASER, 1986
Etymology:

Holotype: AUP No. 11083

Locality: Slickstones (Cromhall) Quarry, (ST 704916), Avon County, England, Southern United Kingdom.

Horizon: Karstic fissures in Dinatian limestone.

Biostratigraphy:

Age: Carnian/Norian Stage, Upper Late Triassic Epoch, Late Triassic.

Material: Right maxilla.

Paratypes:

AUP No. 11082: Left dentary.

AUP No. 11084: Left palatine.

Referred material:

AUP No. 11360, 11361, 11083: Maxillae.