Folly [Lower Chalk] (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.8° N, 5.1° W: paleocoordinates 40.6° N, 2.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lower Chalk Formation, Late/Upper Cenomanian (99.6 - 93.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Lower Chalk, which overlies the Upper Greensand (Early Cenomanian). AGE: Late Cenomanian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From the Orbirhynchia mantelliana Bed of the Lower Chalk.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, glauconitic, gray, sandy lime mudstone

• COMMENTS: Marine carbonate setting.
• SPECIFIC LITHOLOGY: Sandy grey glauconitic chalk. LITHIFICATION: Lithified.

Size class: macrofossils

Preservation: cast, mold/impression, concretion, replaced with phosphate

Collection methods: bulk,

• COLLECTOR: W. J. Kennedy. REPOSITORY: Unknown, probably the BMNH.

Primary reference: W. J. Kennedy. 1970. A correlation of the uppermost Albian and the Cenomanian of South-West England. Proceedings of the Geologist's Association 81(4):613-677 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 82810: authorized by Austin Hendy, entered by Austin Hendy on 01.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoidea, bivalvia, gastropoda, and other macrofossils. NOMENCLATURE: Not an authoritative publication and with somewhat antiquated nomenclature. Ammonoidea generally identified to species resolution while bivalves, gastropods and other macrofossils may not.
Rhynchonellata
 Rhynchonellida - Basiliolidae
Orbirhynchia mantelliana d'Sowerby 1826
Cephalopoda
 Ammonitida - Schloenbachiidae
Schloenbachia sp. Neumayr 1875 ammonite
 Ammonitida - Baculitidae
"Sciponoceras baculoide" = Sciponoceras baculoides
"Sciponoceras baculoide" = Sciponoceras baculoides Mantell 1822 ammonite
 Ammonitida - Turrilitidae
Turrilites costatus Lamarck 1801 ammonite