Where: Yorkshire, United Kingdom (54.3° N, 1.3° W: paleocoordinates 40.5° N, 0.4° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Alsatites liasicus zone, Hettangian (201.3 - 199.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; gray, silty 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 219463: authorized by Alex Dunhill, entered by Bethany Allen on 12.04.2021
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Caloceras sp. ammonite | |
Waehneroceras cf. iapetus Spath 1924 ammonite |