Where: Yorkshire, United Kingdom (54.3° N, 1.3° W)

• Paleocoordinates: 42.5° N, 16.1° E (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dactylioceras tenuicostatum zone, Whitby Mudstone Formation, Early/Lower Toarcian (183.0 - 182.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous shale

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 219475: authorized by Alex Dunhill, entered by Bethany Allen on 12.04.2021

Creative Commons license: CC0 (CC0)