L126. Trilobite Hill, near Cliefden Caves (Ordovician of Australia)

Where: New South Wales, Australia (33.5° S, 148.9° E: paleocoordinates 15.8° N, 177.0° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Diplacanthograptus kirki graptolite zone, Malongulli Formation, Eastonian (452.7 - 449.5 Ma)

• Basal Beds. Ea3, top of Belodina confluens zone. Formation known earlier as Cliefden Caves Limestone Formation and as Cliefden Caves Limestone Group.

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified, calcareous shale and siltstone

• Lithology described as spicule-bearing marls and siltstones

Size classes: macrofossils, mesofossils

Preservation: cast

Collection methods: Several articles, each describing a specific taxonomic group.

Primary reference: I. G. Percival. 1978. Inarticulate brachiopods from the Late Ordovician of New South Wales and their paleoecological significance. Alcheringa 2(1-2):117-141 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 166916: authorized by Pete Wagner, entered by Pete Wagner on 04.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

• Initially a composite of many localities. PJW assigned it to the most diverse locality, and divied up from there.
Lingulata
 Lingulida - Obolidae
 Acrotretida - Acrotretidae
"? Conotreta hetera" = Hisingerella hetera
"? Conotreta hetera" = Hisingerella hetera Percival 1978
Strophomenata
 Strophomenida - Anoptambonitidae
Durranella rugosa n. sp. Percival 1978
 Strophomenida - Aegiromenidae
Sericoidea minor Percival 1979
Trilobita
 Trinucleida - Raphiophoridae
Malongullia oepiki n. gen. n. sp.
Malongullia oepiki n. gen. n. sp. trilobite
 Phacopida - Encrinuridae
"Encrinuraspis optimus n. gen. n. sp." = Cromus optimus
"Encrinuraspis optimus n. gen. n. sp." = Cromus optimus Webby et al. 1970 trilobite