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 55223: authorized by Shanan Peters, entered by Shanan Peters on 29.09.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Artiopoda | |
Innitagnostus inexpectans Kobayashi 1938
Acmarhachis acuta Kobayashi 1938 | |
Glyptagnostus reticulatus Angelin 1851 | |
Trilobita | |
Cheilocephalus brevilobus Walcott 1916 trilobite | |
Glaphyraspis parva Walcott 1899 trilobite | |
Listroa cf. toxoura Palmer 1962 trilobite
Olenaspella regularis Palmer 1962 trilobite
Aphelaspis haguei trilobite
Aphelaspis cf. brachyphasis Palmer 1962 trilobite |