Areyonga Creek, Gardiner Range [Stokes Siltstone] (Ordovician of Australia)

Also known as RSN 87-2020P ; Loc. 5 of Young (1997)

Where: Northern Territory, Australia (23.8° S, 131.8° E: paleocoordinates 13.6° N, 163.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Phragmodus-Plectodina conodont zone, Stokes Siltstone Formation, Llanvirn (466.0 - 460.9 Ma)

• STRATIGRAPHIC RELATIONS: From the Stokes Siltstone, which overlies the Stairway Sandstone (Llanvirn), and is overlain by the Carmichael Sandstone (Caradocian-Ashgillian). AGE: Llanvirn or late Darriwilian, on the basis of conodont biostratigraphy. STRATIGRAPHIC POSITION: Basal member of the Stokes Siltstone, about 20-30 m above the base of the formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

• SPECIFIC LITHOLOGY: Siltstone?. LITHIFICATION: Lithified, on the basis of sample preparation.

Size class: macrofossils

Collected by Young

Collection methods: bulk, chemical, sieve,

• COLLECTOR: G. C. Young, 1980's. REPOSITORY: Commonwealth Palaeontological Collection, AGSO, Canberra, Australia.

Primary reference: G. C. Young. 1997. Ordovician Microvertebrate Remains from the Amadeus Basin, Central Australia. Journal of Vertebrate Paleontology 17(1):1-25 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90418: authorized by Austin Hendy, entered by Austin Hendy on 19.07.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to vertebrate taxa described in text. NOMENCLATURE: Authoritative publication with modern nomenclature and genus and species-resolution identifications where possible.
Apedolepis tomlinsonae
  -
Apedolepis tomlinsonae n. sp. Young 1997
Pteraspidomorphi
 Arandaspidida - Arandaspididae
Sacabambaspis sp. jawless fish
Gnathostomata
  -
? Chondrichthyes indet. Huxley 1880 cartilaginous fish
Chondrichthyes
  -
Areyonga oervigi n. sp. Young 1997 cartilaginous fish