Where: England, United Kingdom (54.5° N, 0.6° W: paleocoordinates 42.4° N, 9.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Alum Shale Formation, Falciferum to Falciferum (183.0 - 175.6 Ma)

• bifrons and falciferum zones, Alum Shale and Jet Rock Formations

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale

Size class: macrofossils

Primary reference: R. Tate and J. F. Blake. 1876. The Yorkshire Lias 1-475 [R. Benson/R. Benson/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90459: authorized by Wolfgang Kiessling, entered by Uta Merkel on 27.07.2009, edited by Roger Benson, Bethany Allen and Matthew Carrano

Creative Commons license: CC BY (attribution)