Location 1 (Ordovician of Australia)

Where: New South Wales, Australia (35.8° S, 147.1° E: paleocoordinates 15.0° N, 178.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Levisograptus austrodentatus graptolite zone, Abercrombie Formation (Adaminaby Group), Darriwilian (467.3 - 458.4 Ma)

• This collection represents the basal Darriwilian and overlaps with the Periodon hankensis conodont biozone.

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, gray shale and lithified, micaceous sandstone

• "thinly bedded dark-grey shale and siltstone to very fine-grained micaceous sandstone of the undifferentiated Abercrombie Formation of the Adaminaby Group

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by S.J. Trigg in 2018-2019

Primary reference: Y.Y. Zhen, Y.D. Zhang, I.G. Percival and S.J. Trigg. 2020. Basal Darriwilian Graptolites and Associated Conodonts from New South Wales and their Biostratigraphic Implications. Quarterly Notes, Geological Survey of New South Wales, Australia, September 2020 (153)1-17 [M. Clapham/J. Nelson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 219786: authorized by Matthew Clapham, entered by John Nelson on 21.04.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

 Protopanderodontida - Drepanoistodontidae
Paroistodus sp. Lindström 1971 conodont
 Ozarkodinida -
 Graptoloidea - Didymograptidae
Expansograptus sp. Bouček and Přibyl 1953 graptolite
 Graptoloidea - Dicranograptidae
Levisograptus austrodentatus Harris and Keble 1932 graptolite
 Graptoloidea - Isograptidae