Where: England, United Kingdom (54.5° N, 0.7° W: paleocoordinates 42.1° N, 8.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Hildoceras bifrons ammonoid zone, Main Alum Shales Member (Alum Shale Formation), Early/Lower Toarcian (183.0 - 182.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Primary reference: M. J. Benton and M. A. Taylor. 1984. Marine reptiles from the Upper Lias (Lower Toarcian, Lower Jurassic) of the Yorkshire coast. Proceedings of the Yorkshire Geological Society 44(4):399-429 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90462: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.07.2009

Creative Commons license: CC BY (attribution)