Old quarry near the Yew Tree Inn, Dursley (upper Marlstone) (Jurassic of the United Kingdom)

Where: Gloucestershire, United Kingdom (51.7° N, 2.4° W: paleocoordinates 38.9° N, 6.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Marlstone Rock Formation, Spinatum (189.6 - 183.0 Ma)

• Upper part of the Marlstone Rock-bed

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by D.V. Ager

Primary reference: D. V. Ager. 1954. The genus Gibbirhynchia in the British Domerian. Proceedings of the Geologists' Association 65:25-51 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138188: authorized by Matthew Clapham, entered by Matthew Clapham on 06.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Rhynchonellida - Tetrarhynchiidae
Gibbirhynchia gibbosa Buckman 1917