Where: Yukon, Canada (62.7° N, 128.4° W)
• Paleocoordinates: 45.3° N, 93.6° W (Wright 2013)
• coordinate stated in text
• outcrop-level geographic resolution
When: Rabbitkettle Formation, Dresbachian (497.0 - 486.9 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 55225: authorized by Shanan Peters, entered by Shanan Peters on 29.09.2005
Creative Commons license: CC0 (CC0)
Taxonomic list
| Artiopoda | |
|
Acmarhachis acuta Kobayashi 1938 | |
|
Peratagnostus nobilis Opik 1967 | |
|
"Pseudagnostus" communis Hall and Whitfield 1877
Pseudagnostus rajovopsis Pratt 1992 | |
| Trilobita | |
|
Proceratopyge rectispina trilobite | |
|
Cliffia cf. lataegenae Wilson 1949 trilobite | |
|
Elvinia roemeri Shumard 1861 trilobite
Irvingella angustilimbata Kobayashi 1938 trilobite | |
? Sigmocheilus flabellifer, Cernuolimbus pegakanthodes, Cernuolimbus orygmatos, Anechocephalus sp., Anechocephalus ? spinosus
? Sigmocheilus flabellifer Hall and Whitfield 1877 trilobite
Cernuolimbus pegakanthodes trilobite
Cernuolimbus orygmatos Palmer 1960 trilobite
Anechocephalus sp. Palmer 1960 trilobite
Anechocephalus ? spinosus Palmer 1965 trilobite | |
|
Aphelaspis ludvigsensis trilobite
? Olenaspella sp. Wilson 1956 trilobite
Erixanium denticulatum trilobite | |