ammonites
Regans Creek Limestone Fm., Ashton Mbr, Cargo District, New South Wales, Austral (Ordovician to of Australia)

Where: New South Wales, Australia (34.0° S, 149.0° E: paleocoordinates 15.9° N, 178.2° E)

• local area-level geographic resolution

When: Ashton Member (Regans Creek Limestone Formation), Gisbornian to Gisbornian (460.9 - 455.8 Ma)

• member-level stratigraphic resolution

Environment/lithology: sand shoal; lithified, calcareous sandstone and limestone

• Calcareous sandstone and limestone; shoal

Primary reference: I. Percival. 1991. Late Ordovician articulate brachiopods from central New South Wales, Australia. Memoir of the Association of Australasian Palaeontologists 11:107-177 [A. Miller/P. Novack-Gottshall/A. Clement] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2752: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 17.07.1999