Aylesford (Hysteroceras varicosum subzone) (Cretaceous of the United Kingdom)

Where: England, United Kingdom (51.3° N, 0.5° E: paleocoordinates 39.7° N, 3.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mortoniceras inflatum ammonoid zone, Gault Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• Hysteroceras varicosum subzone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments

Size class: macrofossils

Collected by J.S.H. Collins; reposited in the BMNH

Primary reference: J. S. H. Collins. 1974. Recent advances in the knowledge of Gault Cirripedia. Proceedings of the Geologists' Association 85:377-386 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211479: authorized by Matthew Clapham, entered by Matthew Clapham on 18.07.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Thecostraca
 Verrucomorpha - Pycnolepadidae
Pycnolepas rigida Sowerby 1836 barnacle
 Calanticomorpha - Cretiscalpellidae
Cretiscalpellum unguis Sowerby 1836 barnacle