Where: Tasmania, Australia (43.3° S, 145.1° E: paleocoordinates 43.3° S, 145.1° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Payntonian to Payntonian (489.5 - 485.4 Ma)
• STRATIGRAPHIC RELATIONS: Unnamed stratigraphic unit of Upper Carboniferous age. The Cambrian succession in this area occurs in a narrow fault slice with the base faulted against Precambrian slate and quartzite. The fossiliferous sequence is disconformably overlain by unfossiliferous sandstone and conglomerate, which is in turn overlain by the Ordovician Gordon Group (Jago and Brown 1989). AGE: late Late Cambrian (Payntonian-earliest Datsonian) on the north Australian biostratigraphic scale. STRATIGRAPHIC POSITION: Collection from the lower part of the "grey micaceous siltstone" facies, about 75 m in thickness in total, near the middle of the section, immediately below the upper part of the same facies unit (PBDB 62281), above the "alternating yellow-green and purple siltstone" facies (PBDB 62277 and 62278). Collections are differentiated on the basis of facies on the stratigraphic column and range chart of Fig. 1 (Bao and Jago 2000) in the absence of stratigraphic heights, lithostratigraphic members or beds, or sample names. Additionally facies units are divided by the enterer into upper and lower halves to further differentiate the faunal succession.
• group of beds-level stratigraphic resolution
Environment/lithology: basinal (); lithified, micaceous, gray siltstone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: peel or thin section,
• COLLECTORS: Presumably the authors J.-S. Bao and J.B. Jago. REPOSITORY: Specimens are registered in either the collection of the University of Tasmania (UT) or that of the Tasmanian Mines Department (TMD), now housed in the Tasmanian Museum, Hobart.
Primary reference: J.-S. Bao and J.B. Jago. 2000. Late Late Cambrian trilobites from near Birch Inlet, south-western Tasmania. Palaeontology 43(5):881-917 [A. Miller/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 62280: authorized by Austin Hendy, entered by Austin Hendy on 17.07.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Leiagnostus inletensis Bao and Jago 2000 | |
Trilobagnostus "sp. 1", Trilobagnostus "sp. 2", Micragnostus sp., Lotagnostus (Lotagnostus) trisectus, Neoagnostus sp.
Trilobagnostus "sp. 1" Harrington 1938
Trilobagnostus "sp. 2" Harrington 1938
Micragnostus sp. Howell 1935
Lotagnostus (Lotagnostus) trisectus Salter 1864
Neoagnostus sp. Kobayashi 1955 | |
Trilobita | |
? Duplora sp. Shergold 1971 trilobite
Proteuloma huochengensis Zhang 1981 trilobite | |
Proceratopyge longa Bao and Jago 2000 trilobite
Charchaqia halli Jago 1991 trilobite | |
Niobella birchensis Bao and Jago 2000 trilobite | |
Skljarella expansa Bao and Jago 2000 trilobite |