Where: Yukon, Canada (62.7° N, 128.4° W: paleocoordinates 3.1° N, 64.3° 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 55224: authorized by Shanan Peters, entered by Shanan Peters on 29.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Artiopoda | |
| |
Pseudagnostus rajovopsis Pratt 1992
"Pseudagnostus" communis Hall and Whitfield 1877 | |
Homagnostus obesus Belt 1867
Acmarhachis acuta Kobayashi 1938 | |
Peratagnostus nobilis Opik 1967 | |
Trilobita | |
Cernuolimbus depressus Palmer 1960 trilobite | |
Comanchia cf. amplooculata Frederickson 1948 trilobite | |
Erixanium denticulatum trilobite
Olenaspella evansi Kobayashi 1936 trilobite | |
cf. Punctaspis crassimargo trilobite | |
Corynexochus plumula Whitehouse 1939 trilobite | |
Welleraspis torontoria trilobite | |
Tholifrons advena trilobite | |
Aphelotoxon redstonei trilobite |