UQ L1859, Baralaba (Permian of Australia)

Where: Queensland, Australia (24.2° S, 149.9° E: paleocoordinates 59.3° S, 144.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Flat Top Formation, Wuchiapingian (259.9 - 254.2 Ma)

• Assigned the Echinalosia ovalis zone of Briggs (1998) and the middle part of palynomorph zone APP5. Laurie et al. (2016) calibrated the APP5 zone to mid-Wuchiapingian through Changhsingian. Phillips et al. (2018) marked the Platypus Tuff bed (dated as 256.01 Ma in Metcalf et al., 2015) within the Flat Top Formation but suggested that the top of the formation was 255.13 Ma based on correlation with a tuff bed at the top of the Colinlea Sandstone equivalent. These constraints suggest a Wuchiapingian age for the Flat Top Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the UQ

Primary reference: R. J. Willink. 1979. The crinoid genera Tribrachyocrinus McCoy, Calceolispongia Etheridge, Jimbacrinus Teichert and Meganotocrinus n. gen. in the Permian of eastern Australia. Palaeontographica Abt. A 165(3-6):137-194 [G. Webster/G. Webster/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 103923: authorized by Matthew Clapham, entered by Matthew Clapham on 03.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
 Ampelocrinida - Calceolispongiidae
Calceolispongia kalewaensis Dickins 1968 Sea lily
Bivalvia
 Pholadomyida - Megadesmidae
Astartila intrepida2 Dana 1847 clam
Rostroconchia
 Conocardiida - Bransoniidae
Bransonia projecta2 Waterhouse 1987
Strophomenata
 Productida - Monticuliferidae
 Productida - Linoproductidae
"Terrakea multispinosa" = Saetosina multispinosa1, Terrakea quadrata1
"Terrakea multispinosa" = Saetosina multispinosa1 Dear 1971
Terrakea quadrata1 Briggs 1998
Rhynchonellata
 Spiriferida - Trigonotretidae
"Fusispirifer pauciplicus" = Transversaria pauciplicus3
"Fusispirifer pauciplicus" = Transversaria pauciplicus3 Waterhouse 1987
 Terebratulida - Gillediidae
Maorielasma imperatum2 Waterhouse 1964
 Terebratulida - Pseudodielasmatidae
Marinurnula mantuanensis2 Campbell 1965