Ashton Vale Colliery, Bristol (Carboniferous of the United Kingdom)

Where: England, United Kingdom (51.4° N, 2.6° W: paleocoordinates 2.0° S, 7.7° E)

• coordinate estimated from map

When: Subcrenatum Marine Band Member (South Wales Lower Coal Measures Formation), Westphalian A (318.1 - 314.6 Ma)

• Langsettian. Given as Lower Coal Measures. Referred to elsewhere as Ashton Vale Marine Band, Subcrenatum Marine Band

Environment/lithology: delta plain; shale

• Somerset coal basin, deposited in Variscan foreland basin

Size class: macrofossils

Preservation: mold/impression

Primary reference: J. Weir. 1931. The British and Belgian Carboniferous Bellerophontidae. Transactions of the Royal Society of Edinburgh 56(31):767-861 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184597: authorized by Pete Wagner, entered by Pete Wagner on 12.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Bellerophontida - Bellerophontidae
Bellerophon bristolensis n. sp., "Bucaniopsis boltoni n. sp." = Retispira boltoni, "Bucaniopsis undatus" = Retispira undata
Bellerophon bristolensis n. sp. Weir 1931 snail
"Bucaniopsis boltoni n. sp." = Retispira boltoni Weir 1931 snail
"Bucaniopsis undatus" = Retispira undata Etheridge 1876 snail