Aust Cliff bone bed (Leicester Museum) (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

Primary reference: C. J. Duffin. 1982. A palaeospinacid shark from the Upper Triassic of south-west England. Zoological Journal of the Linnean Society 74:1-7 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122363: authorized by Matthew Clapham, entered by Matthew Clapham on 22.12.2011, edited by Priscilla Vazquez and Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Placodontia -
Psephoderma anglicum n. sp.1 Meyer 1864 placodont
Chondrichthyes
 Synechodontiformes - Palaeospinacidae
"Palaeospinax rhaeticus n. sp." = Synechodus rhaeticus
"Palaeospinax rhaeticus n. sp." = Synechodus rhaeticus Duffin 1982 elasmobranch
 Hybodontiformes - Pseudodalatiidae
"Dalatias barnstonensis" = Pseudodalatias barnstonensis2
"Dalatias barnstonensis" = Pseudodalatias barnstonensis2 Sykes 1971 elasmobranch
OS1 1973