Purton (Ordovician of the United Kingdom)

Where: United Kingdom (51.7° N, 2.4° W: paleocoordinates 74.5° S, 19.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Breadstone Shales Formation, Tremadocian (485.4 - 477.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, gray shale and lithified sandstone

• offshore deposits in rather shallow setting; quiet conditions of deposition
• Thinly bedded, grey rusty-weathering shales, with abundant sandstone bands up to one and a half inches thick but usually less than a quarter-inch.

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by M. L. K. Curtis in 1961

Primary reference: M. L. K. Curtis. 1968. The Tremadoc rocks of the Tortworth Inlier, Gloucestershire. Proceedings of the Geologists' Association 79(3):349-362 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 208226: authorized by Melanie Hopkins, entered by Melanie Hopkins on 24.03.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Ostracoda
 Palaeocopida - Primitiidae
Primitia sp. Jones and Holl 1923 ostracod