Where: Western Australia, Australia (23.3° S, 114.8° E: paleocoordinates 50.0° S, 81.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Windalia Radiolarite Formation, Late/Upper Aptian (122.5 - 113.0 Ma)

• 60 feet higher than A. austronisoides

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Collection methods: Repository: Commonwealth Palaeontology Collection (CPC)

Primary reference: R. O. Brunnschweiler. 1959. New Aconeceratinae (Ammonoidea) from the Albian and Aptian of Australia. Bureau of Mineral Resources, Geology and Geophysics Bulletin 54:1-19 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 190198: authorized by Matthew Clapham, entered by Matthew Clapham on 01.12.2017

Creative Commons license: CC BY (attribution)