Pant-y-ffynnon Quarry, Bonvilston (Triassic of the United Kingdom)

Also known as Pant-y-ffynon, Cowbridge islands, ST 046 743

Where: Wales, United Kingdom (51.5° N, 3.4° W: paleocoordinates 35.8° N, 0.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• Whiteside & Marshall (2008) argue that Pant-y-ffynnon and other Triassic fissure fills are Rhaetian in age

• bed-level stratigraphic resolution

Environment/lithology: fissure fill; limestone and yellow marl

• stratified, yellow clay/marl cave/fissure-filling in a limestone

Size class: macrofossils

Collected by D. A. Kermack & P. L. Robinson in 1952; reposited in the BMNH

Collection methods: bulk, surface (float), mechanical,

Primary reference: K. A. Kermack. 1953. An ancestral crocodile from south Wales. Proceedings of the Linnean Society of London 166(1–2):1-2 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 27012: authorized by Matthew Carrano, entered by Matthew Carrano on 12.11.2002, edited by Robin Whatley, Terri Cleary and Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Saurischia -
"Thecodontosaurus caducus n. sp." = Pantydraco caducus5
"Thecodontosaurus caducus n. sp." = Pantydraco caducus5 Yates 2003 saurischian
BMNH P24 (holotype). P6/1, 19/6, 19/7, 22/1, 25/4, 25/5, 27/1, 27/3, 35/1, 38/2, 38/8, 39/1, 39/2, 39/3, 41/1, 50/4, 52, 57/1, 59/4, 59/5, 64/1, 65/21, 65/25, 65/29, 65/36, 65/42, 66/1, 68/1, 77/1, 81/1, 82/2, 106/1, 125/1, 126/1, 141/1, unnumbered
 Theropoda -
 Loricata -
Terrestrisuchus gracilis n. gen. n. sp.
Terrestrisuchus gracilis n. gen. n. sp. Crush 1984 crocodilian
"a very primitive crocodile or crocodile ancestor"
 Eosuchia -
Lepidosauria indet.4 Haeckel 1866 lepidosaur
 Lepidosauria -
Rhynchocephalia "taxon A"3 Günther 1867 rhynchocephalian
NHMUK R37035, posterior fragment of dentary; NHMUK R37022, right dentary
 Rhynchocephalia - Clevosauridae
Clevosaurus sp.2 Swinton 1939 rhynchocephalian
Clevosaurus cambrica n. sp.3 Keeble et al. 2018 rhynchocephalian
NHMUK R37016 (holotype), left maxilla; NHMUK R37015, left dentary; NHMUK R37042, right maxilla; NHMUK R37014, partial skull and right lower jaw, vertebrae, and left scapulocoracoid and forelimb; NHMUK R37013, skull and associated bones (in rock specimen NHMUK R36939); NHMUK R37014, dentary and maxilla (found in rock specimen NHMUK R36940)
 Rhynchocephalia -
Diphydontosaurus sp.3 Whiteside 1986 rhynchocephalian
NHMUK R37024, left dentary; NHMUK R37031, parietal; two additional ?Diphydontosaurus specimens: NHMUK R37025, frontal; NHMUK R37018, parietal
 Eosuchia - Kuehneosauridae
Kuehneosaurus sp.2 Robinson 1962 crown diapsid