Alum Bay, Headon Beds (Beds 53-61), Isle of Wight (Eocene of the United Kingdom)

Where: England, United Kingdom (50.7° N, 1.6° W: paleocoordinates 49.1° N, 5.5° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

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

• Upper Division, beds 53-61 (numbered bottom to top)

• group of beds-level stratigraphic resolution

Environment/lithology: shelly/skeletal, green, yellow, argillaceous marl and lignite

• marls and limestones, some parts shelly, indurated, greenish yellow

Size class: macrofossils

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 39676: authorized by John Alroy, entered by Erin Leckey on 02.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Thecostraca
 Balanomorpha - Balanidae
Balanus sp.
Balanus sp. Da Costa 1778 barnacle
Gastropoda
 Neritoidea - Neritidae
Neritina concava
 Cerithioidea - Potamididae
Potamides cinctus, Potamides ventricosus, Potamides concavus
Potamides concavus horn snail
 Cerithioidea - Thiaridae
"Melania fasciata" = Thiara
"Melania fasciata" = Thiara snail
 Cerithioidea - Melanopsidae
Melanopsis sp.
Melanopsis sp. Férussac 1807 snail
 Neogastropoda - Nassariidae
Fusus labiatus
 Sorbeoconcha - Naticidae
Natica sp.
Natica sp. Scopoli 1777 moon snail
Bivalvia
 Ostreida - Ostreidae
Ostrea sp.
Ostrea sp. Linnaeus 1758 oyster
two species
 Pholadida - Corbulidae
Corbula sp.
Corbula sp. Bruguière 1789 clam
 Cardiida - Cyrenidae
Cyrena obovata
Gyrogonites
  -
? Gyrogonites sp.
? Gyrogonites sp. Lamarck 1804