Hapsford Bridge, Vallis Vale (Triassic of the United Kingdom)

Where: England, United Kingdom (51.2° N, 2.3° W: paleocoordinates 35.8° N, 1.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Westbury Formation (Penarth Group), Rhaetian (208.5 - 201.3 Ma)

• Basal clay, Westbury beds, ?Rhaetipollis zone.

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithified, carbonaceous claystone

• Intertidal and very shallow marine conditions.
• Dark organic clay

Size classes: macrofossils, microfossils

Preservation: adpression

Collected by Charles Copp

• Specimens housed at Bristol City Museum.

Primary reference: C. J. Duffin. 1982. Teeth of a new selachian from the Upper Triassic of England. Neues Jahrbuch für Geologie und Paläontologie, Monatshefte 1982(3):156-166 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120897: authorized by Matthew Clapham, entered by Matthew Clapham on 23.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda - Aegeridae
Aeger sp. Munster 1839 decapod
 Lingulida - Disciniidae
 Pectinida - Dimyidae
Atreta intusstriata Emmrich 1853 scallop
 Ostreida - Gryphaeidae
Liostrea sp. Douvillé 1904 oyster
 Ostreida - Ostreidae
 Ostreida - Pteriidae
Rhaetavicula contorta Portlock 1843 pearl oyster
 Cardiida - Cardiidae
Protocardia sp. Beyrich 1845 cockle
 Prosobranchia - Acteoninidae
? Acteonina sp. d'Orbigny 1850 snail
 Hybodontiformes - Polyacrodontidae
"Polyacrodus" minimus Agassiz 1939 elasmobranch
 Euselachii -
Vallisia coppi n. gen. n. sp.
Vallisia coppi n. gen. n. sp. Duffin 1982 elasmobranch
 Synechodontiformes -
"Hybodus minor" = Rhomphaiodon minor
"Hybodus minor" = Rhomphaiodon minor Agassiz 1837 elasmobranch
 Saurichthyiformes - Saurichthyidae
Saurichthys longidens Agassiz 1844
 Palaeonisciformes - Palaeoniscidae
Gyrolepis albertii Agassiz 1835
 Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
 Ophiurida - Ophiuridae
"Ophiura" sp. Lamarck 1801 brittle star