Hempstead Cliff, Hempstead Series (bed 2), Isle of Wight (Eocene of the United Kingdom)

Where: England, United Kingdom (50.7° N, 1.5° W: paleocoordinates 49.2° N, 5.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Hempstead Formation, Late/Upper Eocene (37.2 - 33.9 Ma)

• bed thickness is greater than 30 ft., and lies atop unfossiliferous variegated marls which separate it from bed 3

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; concretionary, ferruginous, argillaceous marl and shelly/skeletal, gray, green, blue, calcareous, carbonaceous claystone

• This is a freshwater/estuary clay and marl with abundant shells. The Hempstead Strata are shales and marls with a variety of colors (green, blue, red, yellow, gray) and some feruginous concretions.

Size class: macrofossils

Primary reference: E. Forbes. 1856. On the Tertiary fluvio-marine formation of the Isle of Wight. Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology 1-162 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40267: authorized by John Alroy, entered by Erin Leckey on 21.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Podocopida - Cytherideidae
"Cytheridea mulleri" = Cytheridea (Cytheridea) mulleri
"Cytheridea mulleri" = Cytheridea (Cytheridea) mulleri Bosquet 1852 ostracod
var. torosa
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Cardiida - Corbiculidae
"Cyrena semistriata" = Polymesoda subarata
"Cyrena semistriata" = Polymesoda subarata Bronn 1837 clam
 Unionida - Unionidae
Unio sp. Philipsson 1788 freshwater mussel
Unio austenii freshwater mussel
 Architaenioglossa - Viviparidae
 Rissooidea - Rissoidae
 Truncatelloidea - Hydrobiidae
 Sorbeoconcha - Thiaridae
"Melania inflata" = Thiara
"Melania inflata" = Thiara snail
 Sorbeoconcha - Batillariidae
"Cerithium plicatum" = Granulolabium plicatum
"Cerithium plicatum" = Granulolabium plicatum Bruguiére 1792 snail
 Sorbeoconcha - Cerithiidae
Cerithium elegans cerith snail
 Basommatophora - Planorbidae
Planorbis sp. Muller 1774 pulmonate
Planorbis cf. lens Brongniart 1810 pulmonate
 Teleostei -
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle