Kensworth (IGS collection) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.9° N, 0.5° W: paleocoordinates 41.7° N, 1.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chalk Rock Member (Lewes Nodular Chalk Formation), Late/Upper Turonian (93.5 - 89.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, hardground, nodular, muddy chalk

• Very hard chalk and chalkstone, some nodular, including mineralized hardground surfaces and marl seams

Size class: macrofossils

Collected by P.R. Payne, R.J. Hogg; reposited in the BGS

• Repository: Institute of Geological Sciences (probably now BGS)

Primary reference: C. W. Wright. 1979. The ammonites of the English Chalk Rock (Upper Turonian). Bulletin of the British Museum (Natural History), Geology 31:281-332 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175765: authorized by Matthew Clapham, entered by Matthew Clapham on 09.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Baculitidae
Sciponoceras bohemicum Fritsch 1872 ammonite
Baculites undulatus d'Orbigny 1850 ammonite
 Ammonitida - Nostoceratidae
"Didymoceras saxonicum" = Nostoceras (Eubostrychoceras) saxonicum, "Hyphantoceras reussianum" = Hyphantoceras (Hyphantoceras) reussianum
"Didymoceras saxonicum" = Nostoceras (Eubostrychoceras) saxonicum Schluter 1875 ammonite
"Hyphantoceras reussianum" = Hyphantoceras (Hyphantoceras) reussianum d'Orbigny 1850 ammonite
 Ammonitida - Scaphitidae
Scaphites geinitzii d'Orbigny 1850 ammonite
includes ssp. laevior
Otoscaphites reidi Wright 1979 ammonite
 Ammonitida - Desmoceratidae
"Puzosia curvatisulcata" = Mesopuzosia mobergi
"Puzosia curvatisulcata" = Mesopuzosia mobergi de Grossouvre 1894 ammonite
 Ammonitida - Pachydiscidae
Lewesiceras mantelli Wright and Wright 1951 ammonite
Tongoboryoceras rhodanicum Roman and Mazeran 1913 ammonite
 Ammonitida - Collignoniceratidae
Subprionocyclus normalis Anderson 1958 ammonite