Royal Society Borehole (126.75-128.75 ft), Ludham (Pleistocene of the United Kingdom)

Where: England, United Kingdom (52.7° N, 1.5° E: paleocoordinates 52.8° N, 1.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Early/Lower Pleistocene (2.6 - 0.8 Ma)

• STRATIGRAPHIC RELATIONS: From the Crag Series, which locally unconformably overlies the London Clay (Eocene). AGE: Early Pleistocene, Icenian. STRATIGRAPHIC POSITION: From zone LM2, 126.75-128.75 ft below surface

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified, shelly/skeletal, argillaceous, calcareous sandstone

• SPECIFIC LITHOLOGY: Shelly sands, varying amounts of clay. LITHIFICATION: Unlithified, on the basis of facies description of sample preparation.

Size classes: macrofossils, mesofossils

Collected in 1959

Collection methods: bulk,

• COLLECTOR: Unknown, 1959. REPOSITORY: Not stated in text.

Primary reference: P. E. Norton. 1967. Marine Molluscan Assemblages in the Early Pleistocene of Sidestrand, Bramerton and the Royal Society Borehole at Ludham, Norfolk. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences 253(784):161-200 [A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 97962: authorized by Austin Hendy, entered by Austin Hendy on 10.09.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for mollusca. NOMENCLATURE: Somewhat antiquated nomenclature but with species resolution identifications.
Bivalvia indet. Linnaeus 1758 clam
 Mytilida - Mytilidae
Mytilus sp. Linnaeus 1758 mussel
Mytilus edulis Linnaeus 1758 mussel
Modiolus sp. Lamarck 1801 mussel
 Pectinida - Anomiidae
"Anomia squamula" = Heteranomia squamula
"Anomia squamula" = Heteranomia squamula Linnaeus 1758 scallop
 Pectinida - Pectinoidae
 Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778 clam
 Arcida - Limopsidae
Limopsis sp. Sassi 1827 clam
 Carditida - Astartidae
Astarte sp. Sowerby 1816 clam
 Hiatellida - Hiatellidae
Hiatella arctica Linnaeus 1767 clam
 Cardiida - Donacidae
Donax vittatus da Costa 1778 clam
 Cardiida - Semelidae
Abra alba Wood 1802 abra
 Cardiida - Cardiidae
Cardium sp. Linnaeus 1758 cockle
"Serripes groenlandicus" = Serripes (Serripes) groenlandicus Mohr 1786 cockle
 Cardiida - Veneridae
Veneridae indet. Rafinesque 1815 venus clam
"Venus cf. ovata" = Timoclea ovata Pennant 1777 venus clam
Venus sp. Linnaeus 1758 venus clam
Callista chione Linnaeus 1758 venus clam
 Cardiida - Ungulinidae
Diplodonta astartea Nyst 1835 clam
 Cardiida - Mactridae
Spisula sp. Gray 1837 clam
 Cardiida - Montacutidae
Montacuta sp. Turton 1822 clam
 Cardiida - Lasaeidae
"Mysella cf. bidentata" = Diarmaidia bidentata
"Mysella cf. bidentata" = Diarmaidia bidentata Montague 1803 clam
 Nuculanida - Yoldiidae
Gastropoda indet. Cuvier 1795 snail
 Heterostropha - Pyramidellidae
Pyramidellidae indet. Gray 1840 snail
Odostomia sp. Fleming 1817 snail
Turbonilla internodula Wood 1848 snail
 Neotaenioglossa - Calyptraeidae
Calyptraea chinensis Linnaeus 1758 slipper shell
 Sorbeoconcha - Rissoidae
Rissoa sp. Fréminville 1814 snail
Cingula sp. Fleming 1818 snail
"Cingula semicostata" = Onoba semicostata Montagu 1803 snail
"Rissoa curticostata" = Rissoa (Turboella) curticostata Wood 1848 snail
 Sorbeoconcha - Naticidae
Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Caecidae
Caecum glabrum Montagu 1803 snail
 Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806 snail
 Cerithioidea - Turritellidae
 Trochoidea - Trochidae
Gibbula sp. Risso 1826 top snail
 Chitonida - Chitonidae
Chiton sp. Linnaeus 1758 chiton