"bottom fauna", Denison Range (Cambrian of Australia)

Also known as "bottom fauna", Singing Creek Formation, Denison Range, Tasmania - Jago 1987

Where: Tasmania, Australia (43.0° S, 147.0° E: paleocoordinates 43.0° S, 147.0° E)

• local area-level geographic resolution

When: Proceratopyge cryptica + Stigmatoa diloma trilobite zone, Singing Creek Formation, Maentwrogian (497.0 - 496.8 Ma)

• Stratigraphically equivalent fossils are found elsewhere in the Adamsfield Trough. The bottom faunal horizon is 185-240m above the base of the Singing Formation. bottom faunal horizon

• group of beds-level stratigraphic resolution

Environment/lithology: submarine fan; lithified, conglomeratic, cherty/siliceous wackestone and siltstone

• the singing creek formation comprises 720 m of quartz wacke turbidites interbedded with fossiliferous siltstone, siliceous conglomerates, and slump sheets.

Size class: macrofossils

Collection methods: chemical, mechanical,

• The specimens were collected in 1967-1968 by K.D. Corbett and are presently housed in the Geology Department, University of Tasmania (UT). All specimens have undergone tectonic distortion.

Primary reference: J. B. Jago. 1987. Idamean (Late Cambrian) trilobites from the Denison Range, south-west Tasmania. Palaeontology 30(2):207-231 [M. Patzkowsky/P. Borkow/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 8084: authorized by Mark Patzkowsky, entered by Phil Borkow on 19.06.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Olenida - Aphelaspidae
Eugonocare sp. Whitehouse 1939 trilobite
 Olenida - Dokimokephalidae
"Dokimocephalidae indet." = Dokimokephalidae
"Dokimocephalidae indet." = Dokimokephalidae Kobayashi 1935 trilobite
 Asaphida - Ceratopygidae
Proceratopyge sp. Wallerius 1895 trilobite
Artiopoda
 Agnostida - Agnostidae
Micragnostus sp.2 Howell 1935
 Agnostida - Diplagnostidae
Pseudagnostus idalis n. sp. Opik 1967
Denagnostus corbetti n. gen. n. sp.
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
represents unidentified acrotretid
Strophomenata
 Billingsellida - Billingsellidae
Billingsella sp. Hall and Clarke 1892