Nettleton Bottom Chalk Quarry, Lincolnshire, Oxynotum Zone (Jurassic of the United Kingdom)

Where: England, 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: Late/Upper Sinemurian (196.5 - 189.6 Ma)

• The oxynotum Zone is located above the Frodingham Ironstone formation.


• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, silty claystone

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 38371: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 21.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Entoliidae
Entolium sp. Meek 1865 scallop
 Pectinida - Pectinoidae
Pseudopecten sp. Bayle 1878 scallop
 Ostreida - Gryphaeidae
Gryphaea sp. Lamarck 1801 oyster
 Protobranchia - Nuculanidae
Mesosaccella sp. Chavan 1946 pointed nut clam