N13. 1.6-3.8 km S of Ranken River crossing, track from Ranken Store to Soudan (Cambrian of Australia)

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

• "oolitic and xtalline ls, BA3"
• The N13 material is a reddish skeletal wackestone with abundant sponge, hyolith and trilobite debris

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

• P.D. Kruse 1983. Middle Cambrian 'Archeocyathus' from the Georgina Basin is an anthaspidellid sponge. Alcheringa 7:49-58
Show authors, comments, and common names
Eocrinoidea
  -
Peridionites sp.
Peridionites sp. Whitehouse 1941
 Ascocystitida -
Eocystites sp.
Eocystites sp. Billings 1868
  -
Cymbionites sp.
Cymbionites sp. Whitehouse 1941
Lingulata
 Lingulida - Acrothelidae
Acrothele sp.
Acrothele sp. Linnarsson 1876
 Lingulida - Obolidae
Lingulella sp.
Lingulella sp. Salter 1866
Rhynchonellata
 Pentamerida - Syntrophiidae
? Syntrophiidae indet.
? Syntrophiidae indet. Schuchert 1896
MIGHT BE: ? Syntrophopsidae (was listed as "? syntrophoid") - originally entered as "? Syntrophiidae indet."
 Orthida -
Orthida indet.
Orthida indet. Schuchert and Cooper 1932
 Orthida - Bohemiellidae
? Bohemiella sp.
? Bohemiella sp. Schuchert and Cooper 1931
originally entered as "? Bohemiella sp."
Kutorginata
 Kutorginida - Nisusiidae
? Nisusia sp.
? Nisusia sp. Walcott 1905
originally entered as "? Nisusia sp."
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp.
Hyolithes sp. d'Eichwald 1840
Helcionelloida
 Helcionellida - Helcionellidae
Helcionella sp.
Helcionella sp. Grabau and Shimer 1909
Trilobita
 Corynexochida - Dorypygidae
Kootenia sp.
Kootenia sp. Walcott 1899 trilobite
 Asaphida - Asaphidae
Asaphiscus sp.
Asaphiscus sp. Meek 1873 trilobite
Artiopoda
 Agnostida - Peronopsidae
Peronopsis sp.
Peronopsis sp. Corda 1847
Demospongiae
 Lithistida - Anthaspidellidae
Rankenella mors
Rankenella mors Gatehouse 1968 demosponge
Biconulites
  -
Biconulites sp.
Biconulites sp. de Chardin 1931