Steep House [Pulborough Sand] (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.0° N, 0.9° W: paleocoordinates 40.4° N, 8.9° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: nutfieldiensis ammonoid zone, Pulborough Sand Member (Sandgate Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Pulborough Sandrock. AGE: Late Aptian; P. nutfieldiensis zone; P. cunningtoni sub zone. STRATIGRAPHIC POSITION: From unknown position within the member, from ironstones.

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, shelly/skeletal ironstone

• SPECIFIC LITHOLOGY: Ironstone. LITHIFICATION: Lithified, on the basis of facies description.

Size class: macrofossils

Collected by Bristow in 1981; reposited in the BGS

Collection methods: surface (float), surface (in situ),

• COLLECTORS: C.R. Bristow (1981). REPOSITORY: British Geological Survey (BGS).

Primary reference: C. R. Bristow. 1991. Geology of the Petersfield district, Hampshire. British Geological Survey Technical Report 91(24):1-101 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 162290: authorized by Austin Hendy, entered by Austin Hendy on 21.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for megafossils. NOMENCLATURE: Not an authoritative publication, and with somewhat antiquated nomenclature, but species-resolution identifications.
Bivalvia
 Nuculanida - Nuculanidae
Mesosaccella woodsi pointed nut clam
 Nuculida - Nuculidae
"Nucula (Leionucula) meyeri" = Leionucula, "Nucula (Leionucula) cf. planata" = Leionucula
"Nucula (Leionucula) meyeri" = Leionucula nut clam
"Nucula (Leionucula) cf. planata" = Leionucula nut clam
 Trigoniida - Megatrigonioidae
 Lucinida - Mactromyidae
"Thetis minor" = Thetironia minor
"Thetis minor" = Thetironia minor Sowerby 1826 clam
 Cardiida - Cardiidae
 Cardiida - Veneridae
 Pholadida - Corbulidae
 Hiatellida - Hiatellidae
Panopea plicata Sowerby 1829 clam
 Carditida - Astartidae
 Ostreida - Bakevelliidae
Gervillia sp. Defrance 1820 oyster