Site 15. Bull River Valley (Cambrian of Canada)

Where: British Columbia, Canada (49.7° N, 115.3° W: paleocoordinates 3.4° S, 77.7° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Wujiajiania lyndasmithae trilobite zone, McKay Group, Steptoean (497.0 - 493.5 Ma)

• group-level stratigraphic resolution

Environment/lithology: deep subtidal; calcareous mudstone and argillaceous limestone

• See description of lithology.
• The McKay Group in the Bull River Valley consists of comparatively deepwater (largely below storm-wave base) calcareous mudstone or shale with minor amounts of thin, discontinuous (from one section to another) argillaceous limestone beds.

Size class: macrofossils

Primary reference: B. D. E. Chatterton. 2020. Mid-Furongian trilobites and agnostids from the Wujiajiania lyndasmithae Subzone of the Elvinia Zone, McKay Group, southeastern British Columbia, Canada. Journal of Paleontology 94(4):653-680 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 219685: authorized by Pete Wagner, entered by Pete Wagner on 16.04.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Olenida - Aphelaspidae
Pseudeugonocare bispinatum, Labiostria gibbae, Olenaspella chrisnewi, ? Eugonocare phillipi, ? Eugonocare sp.
Pseudeugonocare bispinatum Kobayashi 1962 trilobite
Labiostria gibbae Chatterton 2020 trilobite
? Eugonocare sp. Whitehouse 1939 trilobite
 Olenida - Pterocephaliidae
Cernuolimbus ludvigseni, Housia vacuna
Housia vacuna Walcott 1890 trilobite
15C
 Olenida - Olenidae
Wujiajiania lyndasmithae, Aciculolenus askewi n. sp.
Wujiajiania lyndasmithae Chatterton and Gibb 2016 trilobite
Aciculolenus askewi n. sp. Chatterton 2020 trilobite
15A or 15B
 Ptychopariida - Elviniidae
Elvinia roemeri, Irvingella convexa, Irvingella "sp. B Chatterton and Gibb 2016", Irvingella flohri
Elvinia roemeri trilobite
Irvingella "sp. B Chatterton and Gibb 2016" Ulrich and Resser 1924 trilobite
Irvingella flohri Resser 1942 trilobite
 Ptychopariida - Phylacteridae
Cliffia nicoleae n. sp.
Cliffia nicoleae n. sp. Chatterton 2020 trilobite
 Asaphida - Ceratopygidae
Proceratopyge rectispinata, Proceratopyge canadensis
Proceratopyge rectispinata Troedsson 1937 trilobite
15A, 15B & 15C
Proceratopyge canadensis Chatterton and Ludvigsen 1998 trilobite
Artiopoda
 Agnostida -
? Grandagnostus "sp. 1"
 Agnostida - Diplagnostidae
"Pseudagnostus cf. josepha" = Pseudagnostus josephus, Pseudagnostus securiger, Agnostotes orientalis
"Pseudagnostus cf. josepha" = Pseudagnostus josephus Hall 1863
Agnostotes orientalis Kobayashi 1935