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 55221: authorized by Shanan Peters, entered by Shanan Peters on 29.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Cedaria prolifica Walcott 1924 trilobite | |
Terranovella dorsalis Hall 1863 trilobite
Glaphyraspis davidis trilobite | |
Tricrepicephalus texanus trilobite | |
Norwoodia chattertoni trilobite | |
Kingstonia walcotti trilobite
? Blountia sp. Walcott 1916 trilobite | |
Crepicephalus snowyensis trilobite | |
Nahannicephalus keelei trilobite
Deiracephalus aster Walcott 1916 trilobite
Llanoaspis modesta trilobite | |
Artiopoda | |
Nahannagnostus nganasanicus, "Pseudagnostus douvillei" = Pseudagnostina douvillei
Nahannagnostus nganasanicus Rozova 1964
"Pseudagnostus douvillei" = Pseudagnostina douvillei Bergeron 1899 | |
Acmarhachis typicalis Resser 1938 |