Trimingham (Upper Chalk - lunata zone) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (52.9° N, 1.4° E: paleocoordinates 45.6° N, 0.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Ostrea lunata other zone, Upper Chalk Formation (Chalk Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• Upper Chalk remains in informal use, but is obsolete onshore according to the BGS.

• group of beds-level stratigraphic resolution

Environment/lithology: poorly lithified chalk

• General group description: Chalk, with or without flint and discrete limestone, marl (calcareous mudstone), sponge, calcarenite, phosphatic, hardground and fossil-rich beds.

Size class: macrofossils

Reposited in the USNM

Primary reference: G. A. Cooper. 1973. Fossil and recent Cancellothyridacea (Brachiopoda). Tohoku University, Science Reports, 2nd Series (Geology), Special Volume 6:371-390 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190367: authorized by Matthew Clapham, entered by Matthew Clapham on 06.12.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Terebratulida - Cancellothyrididae
Gyrosoria gracilis Schlotheim 1813