Aust Cliff bone bed (Mantell coll) (Triassic of the United Kingdom)

Where: England, United Kingdom (51.6° N, 2.6° W: paleocoordinates 36.1° N, 0.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Bonebed is at the base of the Westbury Formation

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithified, lenticular, sandy conglomerate

• marine coastal conditions, possibly a result of a storm or the Rhaetian transgression
• "lenses of grit or intra-formational conglomerate (or breccia) of sedimentary rocks with a calcite-cemented sandy matrix"

Size classes: macrofossils, mesofossils

Collected by Gideon Mantell; reposited in the BMNH

Primary reference: A. S. Woodward. 1895. Catalogue of the Fossil Fishes in the British Museum (Natural History), Part III 1-544 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122364: authorized by Matthew Clapham, entered by Matthew Clapham on 22.12.2011, edited by Priscilla Vazquez

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus parvus Agassiz 1838 lungfish
BMNH 11211
 Palaeonisciformes - Palaeoniscidae
Gyrolepis albertii Agassiz 1834
BMNH 11206
 Palaeonisciformes - Birgeriidae
"Saurichthys acuminatus" = Birgeria acuminata
"Saurichthys acuminatus" = Birgeria acuminata Agassiz 1843
BMNH 11205, 11209 (two teeth in matrix)