Where: United Kingdom (54.8° N, 5.8° W: paleocoordinates 43.6° N, 3.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Acanthoceras rhotomagense ammonoid zone, Islandmagee Siltstones Member (Hibernian Greensands Formation), Middle Cenomanian (99.6 - 93.5 Ma)

• Only exposes upper part of the member

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, glauconitic siltstone

Size class: macrofossils

Collection methods: Repository: The Ulster Museum, National Museums of Northern Ireland, Belfast, Northern Ireland

Primary reference: A. S. Gale, M. J. Simms, and W. J. Kennedy. 2018. Stratigraphy and ammonite faunas of the Cenomanian rocks of Northern Ireland, UK. Cretaceous Research 87:102-119 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 193272: authorized by Matthew Clapham, entered by Matthew Clapham on 08.05.2018

Creative Commons license: CC BY (attribution)