Where: England, United Kingdom (51.3° N, 2.5° W: paleocoordinates 38.0° N, 4.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Raricostatum (196.5 - 189.6 Ma)

• Gleviceras Limestone, which is part of the Armatum Bed, E. raricostatum ammonite Zone

• bed-level stratigraphic resolution

Environment/lithology: lithified, bioturbated, phosphatic, shelly/skeletal grainstone

Size class: macrofossils

Preservation: replaced with phosphate

Reposited in the OUM

Primary reference: M. Edmunds, M. Varah, and A. Bentley. 2003. The ammonite biostratigraphy of the Lower Lias "Armatum Bed" (Upper Sinemurian-Lower Pliensbachian) at St Peter's Field, Radstock, Somerset. Proceedings of the Geologists' Association 114(1):65-96 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 33363: authorized by Arnold Miller, entered by Karen Layou on 28.07.2003

Creative Commons license: CC BY (attribution)