ammonites
Black Creek Road Locality (Horsefly River) (Eocene of Canada)

Where: British Columbia, Canada (52.3° N, 121.3° W: paleocoordinates 57.0° N, 103.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ypresian (55.8 - 48.6 Ma)

• "unnamed group and formation; Eocene: Ypresian"

Environment/lithology: lacustrine; shale

• It is proposed here Ihat the varves were deposited in the deeper regons of a stratified, monomictic or meromictic lake in a warm temperate climate
• Varved shale, with alternating Dark sapropel laminae & Light tuff laminae

Size class: mesofossils

Preservation: adpression

Collected by S. B. Archibald

Primary reference: S. B. Archibald, S. P. Cover, and C. S. Moreau. 2006. Bulldog Ants of the Eocene Okanagan Highlands and History of the Subfamily (Hymenoptera: Formicidae: Myrmeciinae). Annals of the Entomological Society of America 99(3):487-523 [M. Clapham/J. Karr] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119948: authorized by Matthew Clapham, entered by Jered Karr on 05.11.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)