Downton Bone Bed (Silurian of the United Kingdom)

Where: United Kingdom (52.0° N, 3.0° W: paleocoordinates 24.5° S, 12.0° W)

• basin-level geographic resolution

When: Platyschisma Shale Member (Downton Castle Sandstone Formation), Pridoli (423.0 - 419.2 Ma)

• lowermost Pridoli

Environment/lithology: lithology not reported

Size class: microfossils

Collection methods: Based on Calef and Hancock 1974 (ref. 6660). Abundance data are given, but only brachiopods are treated in detail. This is similar to PBDB coll. 523, but that collections are not identical.

Primary reference: T. Märss and C. G. Miller. 2004. Thelodonts and distribution of associated conodonts from the Llandovery-lowermost Lochkovian of the Welsh Borderland. Palaeontology 47(5):1211-1265 [W. Kiessling/M. Krause/E. Ito]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 179262: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 09.06.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Agnatha
 Loganelliformes - Loganelliidae
Paralogania ludlowiensis Gross 1967 jawless fish
Conodonta
 Ozarkodinida -
Ozarkodina confluens Rhodes 1953 conodont
 Ozarkodinida - Spathognathodontodae
"Ozarkodina excavata" = Wurmiella excavata
"Ozarkodina excavata" = Wurmiella excavata Branson and Mehl 1933 conodont
 Prioniodontida -
Oulodus sp. Branson and Mehl 1933 conodont
 Prioniodontida - Distomodontidae
Coryssognathus dubius Wang 1980 conodont
 Thelodontida - Coelolepidae
Thelodus sp. Agassiz 1839
Thelodus parvidens Agassiz 1839
Thelodus trilobatus Hoppe 1931