Where: Yukon, Canada (63.4° N, 128.6° W: paleocoordinates 3.0° N, 63.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Rabbitkettle Formation, Dresbachian (497.0 - 485.4 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; lithified, argillaceous, calcareous siltstone and lithified, fine-grained sandstone
Preservation: replaced with silica, replaced with phosphate
Collection methods: chemical, mechanical,
Primary reference: B.R. Pratt. 1992. Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana (9)1-109 [S. Peters/S. Peters/S. Peters]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 55234: authorized by Shanan Peters, entered by Shanan Peters on 30.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Aphelaspis ludvigsensis trilobite
? Olentella sp. Ivshin 1953 trilobite | |
Parabolinoides calvilimbata Westrop 1986 trilobite | |
Artiopoda | |
Pseudagnostus cyclopyge Tullberg 1880
"Pseudagnostus" "communis" Hall and Whitfield 1877 | |
Acmarhachis acuta Kobayashi 1938 |