Species: borealis GALTON, 1985
Etymology: Latin, borealis," north," with reference to it being only record
of this family from the northern hemisphere.
= Gresslyosaurus ingens HUENE, 1907-08, 1932 referred; non RUTIMEYER,
1857
= Plateosaurus borealis (GALTON, 1985) GALTON, 2001
Holotype: NHMUK (old BMNH) R2870-R2874, R2876-R2878
Locality: Wedmore Hill, a small quarry or pit in the parish of Wedmore, to the southeast of the village of Wedmore, in the Vale of Glastonbury, Somerset County, England, Southern United Kingdom.
Horizon: Wedmore Stone, Westbury Formation, Penarth Group.
Biostratigraphy:
Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.
Material: 4 dorsal vertebrae, 5 caudal vertebrae, fragments of ribs, haemal arch, pubis, ischium, right femur and proximal end of tibia, 2 phalanges of pes.
Note: Breakdown as follows (per GALTON, 1998)
NHMUK (old BMNH) R2870: Left femur.
NHMUK (old BMNH) R2871: Proximal part of tibia.
NHMUK (old BMNH) R2872a: Ungual phalanx of digit III, right pes.
NHMUK (old BMNH) R2872b: Phalanx 3 of digit III, right pes.
NHMUK (old BMNH) R2872c: Phalanx 3 of digit IV, right pes.
NHMUK (old BMNH) R2873a: Dorsal vertebra 14.
NHMUK (old BMNH) R2873b: Dorsal vertebra 15.
NHMUK (old BMNH) R2874a: Incomplete proximal part of a left dorsal rib.
NHMUK (old BMNH) R2874b: Incomplete proximal part of a right pubis.
NHMUK (old BMNH) R2874c: Distal end of right ischium.
NHMUK (old BMNH) R2876a: Caudal vertebra 6.
NHMUK (old BMNH) R2876b: Distal caudal vertebra.
NHMUK (old BMNH) R2876c: Distal caudal vertebra.
NHMUK (old BMNH) R2876d: Caudal vertebra 2 or 3.
NHMUK (old BMNH) R2876e: Distal caudal vertebra.
NHMUK (old BMNH) R2877: Dorsal vertebra 4.
NHMUK (old BMNH) R2878a: Distal part of ?left fibula.
Note: Paleopathology, distal end has a large swollen region.
NHMUK (old BMNH) R2878b: Incomplete neural arch of anterior dorsal vertebra.
NHMUK (old BMNH) R2878c: Centrum of posterior cervical vertebra.
Referred material:
= Avalonia sanfordi SEELEY, 1898 (partim)
= Avalonianus sanfordi (SEELEY, 1898) KUHN, 1961
= Picrodon herveyi SEELEY, 1898 (partim)
Note: Picrodon herveyi and Avalonia sanfordi postcranial material.Referred material:
STORRS, 1994
Locality: Aust Cliff, Avon (ST 565895-ST 572901, Bristol, Gloucestershire County, England, Southern United Kingdom.
Horizon: Westbury Formation, ‘Rhaetic bone bed’.
Biostratigraphy:
Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.
Material: Femur?
BRSMB Cb3870, Cb4063, Cb4905, Cel7255, Cel7258: