Headon Hill, Upper Headon Beds, Isle of Wight (Eocene of the United Kingdom)

Where: England, United Kingdom (50.6° N, 1.6° W: paleocoordinates 49.1° N, 5.4° W)

• coordinate estimated from map

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

• thickness of this unit is approx. 60-70 ft.

• member-level stratigraphic resolution

Environment/lithology: terrestrial; ferruginous, sandy, calcareous claystone and concretionary, cherty/siliceous limestone

• freshwater limestones
• clays and marls with iron bands, some beds sandy and rubbly. Also contains concretionary limestone with siliceous nodules.

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 40893: authorized by John Alroy, entered by Erin Leckey on 02.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Sabellida - Serpulidae
 Pholadida - Corbulidae
Corbula sp. Bruguière 1789 clam
 Cardiida -
 Architaenioglossa - Viviparidae
Paludina sp. Férussac 1812 snail
 Rissooidea - Bithyniidae
Bithynia sp. Leach 1818 snail
 Sorbeoconcha - Potamididae
Potamides concava horn snail
"P. concavus"
 Sorbeoconcha - Thiaridae
"Melania sp." = Thiara
"Melania sp." = Thiara Röding 1798 snail
 Sorbeoconcha - Melanopsidae
Melanopsis sp. Férussac 1807 snail
 Basommatophora - Planorbidae
Planorbis lenta pulmonate
Planorbis lens Brongniart 1810 pulmonate
 Teleostei -
Teleostei indet.
fish vertebrae