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 approx. 40 ft, Forbes called this the lower freshwater and estuary marls, and lies directly above the "Black band"

• bed-level stratigraphic resolution

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

Size class: macrofossils

Preservation: concretion, replaced with pyrite

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 40268: authorized by John Alroy, entered by Erin Leckey on 21.06.2004

Creative Commons license: CC BY (attribution)