Nettleton Bottom Chalk Quarry, Lincolnshire, Unit 4 (Jurassic of the United Kingdom)

Where: Lincolnshire, United Kingdom (53.5° N, 0.3° W: paleocoordinates 40.5° N, 4.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Early/Lower Sinemurian (196.5 - 189.6 Ma)

• At Nettleton, the section (at 495.03-546.24 m) beneath the Frodingham Ironstone splits into five units. Unit 4 be part of the semicostatum Zone.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone and 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 38367: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 21.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
Pseudopecten sp. Bayle 1878 scallop