Tunnel Hill, Upper Bracklesham Beds, Surrey (Eocene to of the United Kingdom)

Where: England, United Kingdom (51.3° N, 0.6° W: paleocoordinates 47.3° N, 3.3° W)

• coordinate based on nearby landmark

When: Upper Member (Bracklesham Beds Formation), Ypresian to Ypresian (56.0 - 41.3 Ma)

• Gardner et al. consider the Bracklesham and Barton beds to be part of the Bagshot Formation, for this locality they describe four beds, some with specific fossils, but don't say which bed corresponds to which unit on their taxonomic list.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; concretionary, ferruginous, shelly/skeletal, yellow sandstone

• yellow sands, with casts of fossils, iron concretions, and shells

Size class: macrofossils

Primary reference: J. S. Garnder, H. Keeping, and H. W. Monckton. 1888. The Upper Eocene, comprising the Barton and Upper Bagshot Formations. Quarterly Journal of the Geological Society of London 44:578-635 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42583: authorized by John Alroy, entered by Erin Leckey on 02.08.2004, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

Scaphopoda
 Dentaliida - Dentaliidae
Gastropoda
 Trochoidea - Trochidae
"Solarium crenulare" = Trochus (Solarium)
"Solarium crenulare" = Trochus (Solarium) top snail
 Opisthobranchia - Bullidae
 Opisthobranchia - Cylichnidae
"Bulla elliptica" = Cylichna elliptica
"Bulla elliptica" = Cylichna elliptica Sowerby 1824 snail
 Cerithioidea - Turritellidae
"Turritella imbricataria" = Haustator imbricataria
"Turritella imbricataria" = Haustator imbricataria Lamarck 1804 turret shell
 Neotaenioglossa - Calyptraeidae
Trochita aperta Solander 1766 slipper shell
 Sorbeoconcha - Littorinidae
 Sorbeoconcha - Naticidae
Natica patula moon snail
Natica ? venusta moon snail
Natica labellata Lamarck 1804 moon snail
"Sigaretus clathratus" = Sinum moon snail
 Neogastropoda - Nassariidae
 Neogastropoda - Cancellariidae
 Neogastropoda - Olividae
"Ancillaria canalifera" = Ancilla
"Ancillaria canalifera" = Ancilla olive snail
 Sorbeoconcha - Strombidae
Rimella rimosa Solander 1766 true conch
Terebellum fusiforme Lamarck 1802 true conch
 Sorbeoconcha - Cassidae
"Cassidaria nodosa" = Galeodea (Mambrinia) nodosa
"Cassidaria nodosa" = Galeodea (Mambrinia) nodosa Solander in Brander 1766 snail
 Sorbeoconcha - Xenophoridae
Xenophora umbilicaris carrier shell
Bivalvia
 Pectinida - Pectinoidae
"Pecten reconditus" = Mimachlamys reconditus
"Pecten reconditus" = Mimachlamys reconditus Solander 1766 scallop
 Ostreida - Ostreidae
"Ostrea plicata" = Cubitostrea plicata
"Ostrea plicata" = Cubitostrea plicata Solander 1766 oyster
 Arcida - Glycymerididae
"Pectunculus deletus" = Glycymeris
"Pectunculus deletus" = Glycymeris clam
 Cardiida - Cardiidae
"Cardium porulosum" = Cardium (Orthocardium) porulosum Solander 1766 cockle
Nemocardium turgidum Solander 1766 cockle
 Cardiida - Tellinidae
 Cardiida - Veneridae
"Cytherea obliqua" = Pitar (Calpitaria) obliqua
"Cytherea obliqua" = Pitar (Calpitaria) obliqua Deshayes 1825 venus clam
 Pholadida - Corbulidae
"Corbula gallica" = Corbula (Bicorbula) gallica Lamarck 1801 clam
 Pandorida - Clavagellidae
"Clavagella coronata" = Stirpulina coronata
"Clavagella coronata" = Stirpulina coronata Deshayes 1824 clam
 Lucinida - Lucinidae
"Lucina elegans" = Monitilora (Monitilora) elegans Defrance 1823 clam