Nettleton Bottom Chalk Quarry, Lincolnshire, "marine" beds (Jurassic of the United Kingdom)

Where: England, United Kingdom (53.5° N, 0.3° W: paleocoordinates 42.6° N, 9.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lincolnshire Limestone Formation (Middle Inferior Oolite Group), Early/Lower Bajocian (171.6 - 168.4 Ma)

• 1.17 m of "marine" beds beneath the Upper Estuarine "Series"


• group of beds-level stratigraphic resolution

Environment/lithology: marginal marine; calcareous mudstone

Size classes: macrofossils, microfossils

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 38382: authorized by Martin Aberhan, entered by Sabine Nürnberg on 21.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
 Arcida - Parallelodontidae
Grammatodon sp. Meek and Hayden 1860 clam
 Pectinida - Pectinoidae
Pectinidae indet. Wilkes 1810 scallop
 Ostreida - Gryphaeidae
Praeexogyra sp. Charles 1952 oyster
 Ostreida - Bakevelliidae
Gervillella acuta Sowerby 1826 oyster
 Mytilida - Mytilidae
Modiolus sp. Lamarck 1801 mussel
 Carditida - Astartidae
"Astarte" minima d'Ossat 1900 clam
 Pholadomyida - Pholadomyidae
? Homomya sp. Agassiz 1843 clam
 Trigoniida - Trigoniidae
Trigonia sp. Bruguière 1789 clam
 Sorbeoconcha - Procerithiidae
Procerithium sp. Cossmann 1902 snail
 Lingulida - Lingulidae
Lingula sp. Bruguiére 1797
Botryococcus sp. Kutzing 1849
Plantae indet., "Gymnospermae indet." = Pinophyta
Plantae indet. Haeckel 1866
"Gymnospermae indet." = Pinophyta Reveal 1996
 Dinoflagellata -
 Gonyaulacales - Gonyaulacaceae
  - Nannoceratopsiaceae
  - Pareodiniaceae
Pareodinia ceratophora Deflandre 1947