Headon Hill, Osborne Beds (Bed 4), Isle of Wight (Eocene of the United Kingdom)

Where: England, United Kingdom (50.7° N, 1.6° W: paleocoordinates 49.1° N, 5.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• bed thickness is approx. 18 ft.

• bed-level stratigraphic resolution

Environment/lithology: calcareous claystone and concretionary, yellow, cherty/siliceous limestone

• Strong concretionary yellowish limestone, with siliceous concretions sometimes of considerable size, and used for building. Fossils are comparatively scarce in this stone. Unit in general is calcareous clay and marl.

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 40852: authorized by John Alroy, entered by Erin Leckey on 01.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Architaenioglossa - Viviparidae
 Basommatophora - Planorbidae
Planorbis lens Brongniart 1810 pulmonate