Writhlington Geological Nature Reserve (MM collection) (Carboniferous of the United Kingdom)

Where: Somerset, United Kingdom (51.3° N, 2.4° W: paleocoordinates 0.1° S, 9.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Farrington Formation, Westphalian D (311.4 - 306.9 Ma)

• Upper Westphalian D: Dicksonites plueckenetii Subzone; Thomas & Cleal, 1994), probably from above the No. 10 Coal Seam

Environment/lithology: delta plain; lithified shale

• Deposited on an upper delta floodplain (Assemblage 4 of Proctor, 1994).

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Manchester Museum

Primary reference: L. I. Anderson. 1994. Xiphosurans from the Westphalian D of the Radstock Basin, Somerset Coalfield, the South Wales Coalfield and Mazon Creek, Illinois. Proceedings of the Geologists' Association 105:265-275 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216068: authorized by Matthew Clapham, entered by Matthew Clapham on 05.12.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Xiphosura
 Xiphosurida - Belinuridae
Euproops danae Meek and Worthen 1865
LL 11041-11048, LL 11050-11054
Arachnida
 Araneae - Arthrolycosidae
Arthrolycosa sp. Harger 1874 spider
LL 11001, 11002