Durlston Bay DB 239 (Cretaceous of the United Kingdom)

Where: England, United Kingdom (50.6° N, 2.0° W: paleocoordinates 41.5° N, 7.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Durlston Formation (Purbeck Group), Berriasian (145.0 - 139.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal; packstone

Size class: mesofossils

Reposited in the BMNH

Collection methods: bulk, chemical, acetic, sieve,

• bulk samples throughout the section "varied in size from 1 to 25 kg" and material "was principally obtained by [acetic] acid treatment of limestones" before washing and picking

Primary reference: C. J. Underwood and J. Rees. 2002. Selachian faunas from the lowermost Purbeck Group of Dorset, southern England. Special Papers in Palaeontology 68:83-101 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90726: authorized by John Alroy, entered by John Alroy on 13.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes -
Hybodontoidea indet. Zangerl 1981 elasmobranch
scales
 Hybodontiformes - Polyacrodontidae
Polyacrodus parvidens Woodward 1916 elasmobranch
 Hybodontiformes - Hybodontidae
Egertonodus basanus Egerton 1845 elasmobranch
 Hybodontiformes - Lonchidiidae
"Polyacrodus rugianus" = Parvodus rugianus Ansorge 1990 elasmobranch
Lonchidion crenulatum Patterson 1966 elasmobranch
Lonchidion inflexum n. sp. Underwood and Rees 2002 elasmobranch