Whitecliff Bay, Middle Headon Beds (Bed 24), Isle of Wight (Eocene of the United Kingdom)

Where: England, United Kingdom (50.7° N, 1.1° W: paleocoordinates 49.2° N, 5.0° W)

• coordinate based on nearby landmark

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

• This author numbers beds for the whole area (multiple formations) in one series, this is bed number 24. Prestwich says that this bed belongs to the "Upper Group" of the fluvio-marine series, I have correlated it with Bosma's naming system as the Middle Headon Beds.

• bed-level stratigraphic resolution

Environment/lithology: sandy marl and brown, gray, green, argillaceous, calcareous sandstone

• marls and limestone, this bed is "Alternating brown, grey and greenish grey marly sand with light yellow and brown partings-contains numerous tolerably firm casts and impressions of shells very delicately marked, but no shell remains."

Size class: macrofossils

Preservation: cast, mold/impression, trace

Primary reference: J. Prestwich. 1846. On the Tertiary or SupraCretaceous Formations of the Isle of Wight as exhibited in the sections at Alum Bay and White Cliff Bay. Quarterly Journal of the Geological Society of London 2:233-259 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 40771: authorized by John Alroy, entered by Erin Leckey on 30.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Ostreidae
"Ostrea flabellula" = Cubitostrea flabellula
"Ostrea flabellula" = Cubitostrea flabellula Lamarck 1806 oyster
 Cardiida - Veneridae
Cytherea incrassata Sowerby 1817 venus clam
Gastropoda
 Neogastropoda - Volutidae
Voluta sp. Linnaeaus 1758 volute
 Stromboidea - Strombidae
"Fusus labiatus" = Rostellaria (Fusus)
"Fusus labiatus" = Rostellaria (Fusus) true conch
 Naticoidea - Naticidae
Natica sp. Scopoli 1777 moon snail
 Sorbeoconcha - Potamididae
 Sorbeoconcha - Thiaridae
"Melania fasciata" = Thiara
"Melania fasciata" = Thiara snail
 Sorbeoconcha - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Sorbeoconcha - Melanopsidae
Melanopsis sp. FĂ©russac 1807 snail
 Neritoidea - Neritidae
Actinopteri
 Teleostei -
Teleostei indet.
bones and scales
Cyrena
  -
Cyrena obovata
frequently bored