GSC C-149641, Hale Creek Bridge (Jurassic of Canada)

Also known as MVA(F)85-11A

Where: British Columbia, Canada (49.5° N, 121.9° W: paleocoordinates 42.5° N, 63.4° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Macrocephalites macrocephalus ammonoid zone, Mysterious Creek Formation, Early/Lower Callovian (164.7 - 161.2 Ma)

• This species belongs in Callomon's (1984) Cadoceras comma Fauna B8 for the western Cordillera of North America and is Early Callovian in age. Its placement in the L. lilloetensis Fauna B8(c), which is a sub-fauna of Fauna B8 slightly older than Fauna B8(e) (locality 17), agrees well with its stratigraphic position about 10 m beneath locality 17.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

• Sheared, calcite veined siltstone and shale

Size class: macrofossils

Reposited in the GSC

Primary reference: A. J. Arthur, P. L. Smith, J. W. H. Monger and H. W. Tipper. 1993. Mesozoic stratigraphy and Jurassic paleontology west of Harrison Lake, southwestern British Columbia. Geological Survey of Canada Bulletin 441:1-62 [A. Miller/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185052: authorized by Matthew Clapham, entered by Matthew Clapham on 08.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ammonitida - Sphaeroceratidae
Lilloettia lilloetensis Crickmay 1930 ammonite