Hill End Farm Pit, Hitch Wood (Billinghurst collection) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.9° N, 0.3° W: paleocoordinates 41.7° N, 1.3° 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 Billinghurst; reposited in the BMNH

Primary reference: S. A. Billinghurst. 1927. On some new Ammonoidea from the Chalk Rock. Geological Magazine 64:511-518 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 175792: authorized by Matthew Clapham, entered by Matthew Clapham on 10.01.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Nautilida - Nautilidae
"Nautilus sublaevigatus" = Eutrephoceras sublaevigatum
"Nautilus sublaevigatus" = Eutrephoceras sublaevigatum d'Orbigny 1850 nautiloid
 Ammonitida - Nostoceratidae
Hyphantoceras "sp. nov.", "Didymoceras saxonicum" = Nostoceras (Eubostrychoceras) saxonicum
Hyphantoceras "sp. nov." Hyatt 1900 ammonite
"Didymoceras saxonicum" = Nostoceras (Eubostrychoceras) saxonicum Schluter 1875 ammonite
 Ammonitida - Baculitidae
"Cyrtochilus bohemicus" = Sciponoceras bohemicum
"Cyrtochilus bohemicus" = Sciponoceras bohemicum Fritsch 1872 ammonite
 Ammonitida - Anisoceratidae
Allocrioceras billinghursti, Allocrioceras angustum
Allocrioceras billinghursti Klinger 1976 ammonite
Allocrioceras angustum Sowerby 1850 ammonite
 Ammonitida - Scaphitidae
"Scaphites geinitzi" = Scaphites geinitzii
"Scaphites geinitzi" = Scaphites geinitzii d'Orbigny 1850 ammonite
 Ammonitida - Pachydiscidae
Lewesiceras mantelli
Lewesiceras mantelli Wright and Wright 1951 ammonite
 Ammonitida - Collignoniceratidae
"Prionocyclus hitchinensis n. sp." = Subprionocyclus hitchinensis, "Prionotropis cristatus n. sp." = Subprionocyclus branneri
"Prionocyclus hitchinensis n. sp." = Subprionocyclus hitchinensis Billinghurst 1927 ammonite
"Prionotropis cristatus n. sp." = Subprionocyclus branneri Anderson 1902 ammonite