Where: Yorkshire, United Kingdom (54.3° N, 1.3° W: paleocoordinates 41.0° N, 3.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Echioceras raricostatum zone, Late/Upper Sinemurian (196.5 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, calcareous mudstone and shelly/skeletal limestone

Size class: macrofossils

Collection methods: Bolehole drilled by the British Geological Survey, Keyworth, Nottingham, UK

Primary reference: H. C. Ivimey-Cook and J. H. Powell. 1991. Late Triassic and early Jurassic biostratigraphy of the Felixkirk Borehole, North Yorkshire. Proceedings of the Yorkshire Geological Society 48(4):367-374 [A. Dunhill/B. Allen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 219470: authorized by Alex Dunhill, entered by Bethany Allen on 12.04.2021

Creative Commons license: CC BY (attribution)