Genus: Tricuspisaurus ROBINSON, 1957
Etymology:

Species: thomasi ROBINSON, 1957
Etymology:

Holotype: NHMUK PV R. 6106

Locality: Ruthin, South Wales, United Kingdom (Emborough Quarry, Old Down, about 6 miles north-north-east of Wells, (ST 623505), in the Mendip hills of Somerset County, England?)

Horizon: Fissure fill, Keuper Formation?

Biostratigraphy:

Age: Rhaetian Stage, Late Triassic Epoch, Late Triassic (Carnian/Norian Stage, Late Triassic Epoch, Late Triassic?)

Material: Dentary.

Note: A pathology on the dentary (CHAMBI-TROWELL, WITESIDE, SKINNER, BENTON, & RAYFIELD, 2022)

Referred material:

NHMUK PLR 500: Maxilla.

NHMUKPLR 501: Jaw fragment with 6 teeth.

NHMUK (old BMNH) R 6107: Fragment of jaw with 2 broken and 3 beautifully preserved teeth.

 

FRASER, 1986

Locality: Ruthin Quarry, South Glamorgan County, South Wales, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Late Triassic-Early Jurassic.

Material:

AUP 11369: Fragmentary dentary.

AUP 11370: Fragment of right dentary.

AUP 11226: Right premaxilla.

 

SKINNER, WHITESIDE & BENTON, 2020

Locality: A small, abandoned northern quarry (National Grid Reference, SS 975795) around the Ruthin Quarry, St. Mary on the Hill, The Vale of Glamorgan, South Wales (NGR SS 975, 976), United Kingdon.

Horizon: Ruthin Fissure, Wesbury Formation.

Biostratigraphy:

Age: Latest Norian to Early Rhatian Stage, Late Triassic Epoch, Late Triassic.

Material:

NHMUK PV R6107: Maxilla fragment.

NMW 88.12.G.36: Left fragment with teth.

NMW 88.12.G.73: Tricuspid tooth with a root.