Chinchen's Quarry, Acton (DB124c) (Cretaceous of the United Kingdom)

Also known as Langton Matravers

Where: England, United Kingdom (50.6° N, 2.0° W: paleocoordinates 41.5° N, 7.8° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Stair Hole Member (Durlston Formation), Berriasian (145.0 - 139.8 Ma)

• from pink bed of the Roach Stone = DB 124c

• bed-level stratigraphic resolution

Environment/lithology: peritidal; massive, shelly/skeletal, red limestone and mudstone

• "Purbeck strata...were deposited in predominantly brackish water," "shallow lagoon which partly dried from time to time" intertidal to supratidal flats.
• "well-bedded, sometimes massive, generally light-coloured, biosparrudites, biomicrudites, clays and shales"

Size class: macrofossils

Preservation: mold/impression, trace

Collected by W. J. Haysom in 1936-1939

Collection methods: salvage, surface (in situ),

• slabs from quarry but found incorporated into garden paths, third specimen used as headstone for a dog's grave

Primary reference: J. B. Delair. 1960. The Mesozoic reptiles of Dorset. Part three: conclusion. Proceedings of the Dorset Natural History and Archaeological Society 81:59-85 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90047: authorized by Matthew Carrano, entered by Matthew Carrano on 02.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

 Podocopida - Cyprididae
 Cardiida - Neomiodontidae
 Architaenioglossa - Viviparidae
Viviparus sp.2 Montfort 1810 snail
 Truncatelloidea - Hydrobiidae
Hydrobia sp.2 Hartmann 1821 snail
 Osteichthyes -
Osteichthyes indet.2 Huxley 1880 bony fish
 Pterosauria - Pteraichnidae
Purbeckopus pentadactylus n. gen. n. sp.1
Purbeckopus pentadactylus n. gen. n. sp.1 Delair 1963 pterosaur
DORCM G6664, G9481, G9482; OUM J21791