Also known as Was: Ranken Limestone, Georgina Basin, Australia
Where: Northern Territory, Australia (19.6° S, 136.9° E: paleocoordinates 26.0° N, 170.3° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Paradoxides oelandicus trilobite zone, Ranken Limestone Formation, Ordian (511.2 - 508.0 Ma)
• lower Middle Camb.
Environment/lithology: reef, buildup or bioherm; shelly/skeletal, red wackestone
Size class: mesofossils
Primary reference: P. D. Kruse. 1983. Middle Cambrian "Archaeocyathus" from the Georgina Basin is an anthaspidellid sponge. Alcheringa 7(1):49-58 [W. Kiessling/M. Krause/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Eocrinoidea | |
Cymbionites sp. Whitehouse 1941
Peridionites sp. Whitehouse 1941 | |
Eocystites sp. Billings 1868 | |
Artiopoda | |
Peronopsis sp. Corda 1847 | |
Trilobita | |
Asaphiscus sp. Meek 1873 trilobite | |
Kootenia sp. Walcott 1899 trilobite | |
Hyolitha | |
Hyolithes sp. d'Eichwald 1840 | |
Kutorginata | |
| |
Rhynchonellata | |
? Syntrophiidae indet. Schuchert 1896 MIGHT BE: ? Syntrophopsidae (was listed as "? syntrophoid") - originally entered as "? Syntrophiidae indet."
| |
Orthida indet. Schuchert and Cooper 1932 | |
| |
Lingulata | |
Lingulella sp. Salter 1866 | |
Acrothele sp. Linnarsson 1876 | |
Helcionelloida | |
Helcionella sp. Grabau and Shimer 1909 | |
Biconulites | |
Biconulites sp. de Chardin 1931 | |
Demospongiae | |
Rankenella mors Gatehouse 1968 demosponge |