Genus: Newtonsaurus EVANS, HOWELLS, WINTLE & BENTON, 2025
Etymology: In honor of E. T. Newton, and Greek, sauros, "lizard."
= Avalonianus KUHN, 1961 (nomen dubium) (partim)
Etymology: In reference to Avalon, the "Isle of Apples," where Excalibur was forged and King Arthur was taken to recover from his wounds, often identified with Glastonbury, near Street, England.
= Abalonia ROMER, 1966 (sic)
= Avalonia SEELEY, 1898 non WALCOTT, 1889 (nomen dubium) (partim)
Etymology: In reference to Avalon, the "Isle of Apples," where Excalibur was forged and King Arthur was taken to recover from his wounds, often identified with Glastonbury, near Street, England.
= Newtonsaurus WELLES & PICKERING, 1995 (nomen nudum)
= Picrodon SEELEY, 1898 (partim)
Etymology:

Species: cambrensis (NEWTON, 1899) EVANS, HOWELLS, WINTLE & BENTON, 2025
Etymology:
= Zanclodon cambrensis NEWTON, 1899 (nomen dubium)
= Gresslyosaurus cambrensis (NEWTON, 1899) KUHN, 1939 (nomen dubium)
= Megalosaurus? cambrensis (NEWTON, 1899) NEWTON, 1899 (nomen dubium)
= Newtonsaurus cambrensis (NEWTON, 1899) WELLES & PICKERING, 1995 (nomen nudum)

Holotype: BGS GSM 632 (NHMUK (old BMNH) R2912?) (NMW 24.165.G1 cast)

Locality: Stormy Down, near Bridgend, Wales, Glamorganshire County, England, Southern United Kingdom.

Horizon: Rhaetic beds.

Biostratigraphy:

Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.

Material: Fragmentary dentary with teeth.

Referred material:

STORRS, 1994

Locality: Lavernock, south Wales County, England, Southern United Kingdom.

Horizon:

Biostratigraphy:

Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.

Material:

NMW 28.2.G101: A partial vertebral centrum.

 

= Avalonia sanfordi SEELEY, 1898 (partim)
Note: (teeth, postcranial is referred to Camelotia borealis)
= Avalonianus sanfordi (SEELEY, 1898) KUHN, 1961
Etymology:

Holotype: NHMUK (old BMNH) R2869

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 of Westbury Formation, Penarth Group.

Biostratigraphy:

Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.

Material: Teeth.

 

= Picrodon herveyi SEELEY, 1898 (partim)
Etymology:

Holotype: NHMUK (old BMNH) R2875

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 of Westbury Formation, Penarth Group.

Biostratigraphy:

Age: Rhaetian Stage, Uppermost Late Triassic Epoch, Late Triassic.

Material: Tooth.