Where: Queensland, Australia (31.8° S, 151.7° E: paleocoordinates 7.1° S, 175.5° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Drik Drik Formation (Tamworth Group), Pragian (410.8 - 407.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Drik Drik Fm of the Tamworth Group. AGE: Pragian, on the basis of geochemical and biostratigraphic dating; RA1, Stigmosphaerostylus horrida radiolarian assemblage. STRATIGRAPHIC POSITION: From unknown position within the Gamilaroi terrane.
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified lithology not reported
Size class: microfossils
Collected by Aitchison
• COLLECTOR: J. C. Aitchison and others. REPOSITORY: Hong Kong University, Department of Earth Sciences.
Primary reference: J. C. Aitchison, A. M. Davis, J. M. C. Stratford and F. C. P. Spiller. 1999. Lower and Middle Devonian Radiolarian Biozonation of the Gamilaroi Terrane New England Orogen, Eastern Australia. Micropaleontology 45(2):138-162 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 90987: authorized by Austin Hendy, entered by Austin Hendy on 28.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Protozoa | |
Stigmosphaerostylus "sp. A" Rüst 1892 radiolarian
Stigmosphaerostylus "sp. B" Rüst 1892 radiolarian
Stigmosphaerostylus horrida Furutani 1983 radiolarian |