Nettleton Bottom Chalk Quarry, Lincolnshire, Marlstone Rock Bed (Jurassic of the United Kingdom)

Where: England, United Kingdom (53.5° N, 0.3° W: paleocoordinates 41.0° N, 7.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Marlstone Rock Bed Formation, Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• North of Lincoln the Marlstone Rock Bed belongs entirely to the spinatum zone. The siliciclastic base at Nettleton is overlain by the fossil-containing ironstone.


• group of beds-level stratigraphic resolution

Environment/lithology: marine; ironstone and sideritic mudstone

Size class: macrofossils

Collection methods: core,

Primary reference: M. J. Bradshaw and S.R. Penney. 1982. A cored Jurassic sequence from north Lincolnshire, England: stratigraphy, facies analysis and regional context. Geological Magazine 119(2):113-134 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 38376: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 21.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Terebratulida - Lobothyrididae
Lobothyris sp. Buckman 1917
 Rhynchonellida - Tetrarhynchiidae
Tetrarhynchia sp. Buckman 1917