Section N - collection N-125.5 (Cambrian of Canada)

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
 Agnostida -
 Agnostida - Agnostidae
Acmarhachis acuta Kobayashi 1938
Trilobita
 Ptychopariida - Lonchocephalidae
Glaphyraspis parva Walcott 1899 trilobite
 Corynexochida - Cheilocephalidae
Cheilocephalus brevilobus Walcott 1916 trilobite
 Olenida - Aphelaspidae
Listroa cf. toxoura Palmer 1962 trilobite
Aphelaspis cf. brachyphasis Palmer 1962 trilobite
Olenaspella regularis Palmer 1962 trilobite