QML518, Lucky Valley Creek, Elbow Valley (Permian of Australia)

Where: Queensland, Australia (28.4° S, 152.1° E: paleocoordinates 63.2° S, 149.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Condamine Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Webster & Jell suggested an Artinskian age on the basis of the crinoid fauna. However, the unit (including brachiopods from Lucky Valley Creek) was assigned to the Echinalosia ovalis and E. voiseyi zones by Briggs (1998), and to mid-APP5 palynomorph zone. Radiometric calibrations of the palynomorph zones by Laurie et al. (2016) indicate a mid-Wuchiapingian to Changhsingian age for the zone. A Wuchiapingian age is assigned to the Condamine Beds, as the correlative brachiopod zones in the Bowen Basin are constrained radiometrically to the Wuchiapingian.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: replaced with limonite

Primary reference: G. D. Webster and P. A. Jell. 1999. New Permian crinoids from Australia. Memoirs of the Queensland Museum 43(1):279-340 [G. Webster/G. Webster/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 120593: authorized by Matthew Clapham, entered by Matthew Clapham on 18.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Dendrocrinida - Sundacrinidae
Sundacrinus medius n. sp. Webster and Jell 1999 Sea lily
 Dendrocrinida - Spaniocrinidae
Spaniocrinus geniculatus n. sp. Webster and Jell 1999 Sea lily
 Dendrocrinida - Indocrinidae
Eoindocrinus praecontignatus Arendt 1981 Sea lily
 Dendrocrinida - Cromyocrinidae
Moapacrinus cuneatus n. sp. Webster and Jell 1999 Sea lily
 Dendrocrinida - Stellarocrinidae
? Stellarocrinidae indet. Strimple 1961 Sea lily
? Pedinocrinus nodosus n. sp. Webster and Jell 1999 Sea lily
 Cyathocrinida - Euspirocrinidae
Necopinocrinus tycherus n. gen. n. sp.
Necopinocrinus tycherus n. gen. n. sp. Webster and Jell 1999 Sea lily
 Poteriocrinina - Decadocrinidae
Eidosocrinus condaminensis n. gen. n. sp. Webster and Jell 1999 Sea lily
 Poteriocrinina - Poteriocrinitidae
Poteriocrinitidae "indet. arm 2" Roemer 1851 Sea lily
Poteriocrinitidae "indet. arm 3" Roemer 1851 Sea lily
 Ampelocrinida - Calceolispongiidae
Calceolispongia sp. Etheridge 1915 Sea lily
 Monobathrida - Platycrinitidae
Platycrinitidae indet. Bassler 1938 Sea lily
Platycrinites halos n. sp. Webster and Jell 1999 Sea lily
 Monobathrida - Dichocrinidae
Neocamptocrinus "sp. nov." Willink 1980 Sea lily