Where: England, United Kingdom (53.6° N, 2.2° W: paleocoordinates 0.2° N, 7.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: communis ammonoid zone, Westphalian A (318.7 - 316.9 Ma)

• Middle Coal measures (blue-grey shales at 135-180 feet above the Boyley or Arley Mine) according to Bolton; Lower Coal Measures, above the Arley Mine Seam, communis zone according to Wootton. [Assumed to be the same interval]

• group of beds-level stratigraphic resolution

Environment/lithology: delta plain; shale

Size class: macrofossils

Preservation: mold/impression

Reposited in the BMNH

Primary reference: H. Woodward. 1907. Further notes on the Arthropoda of the British Coal-Measures. The Geological Magazine, New Series, Decade V 4:539-549 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34905: authorized by Dena Smith, entered by April Kinchloe on 14.10.2003, edited by Lindy Edwards and Matthew Clapham

Creative Commons license: CC BY (attribution)