Opposite Horsefly Mine (Eocene of Canada)

Where: British Columbia, Canada (52.4° N, 121.4° W: paleocoordinates 57.1° N, 103.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Eocene (55.8 - 48.6 Ma)

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 classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Collected by Lawrence M. Lambe in 1906

• "In the year 1906, during geological explorations in the southern interior of British Columbia, Mr. lawrence M. Lambe, of the Geological Survey, collected a number of remains of Tertiary insects..."

Primary reference: A. Handlirsch. 1910. Canadian fossil Insects. 5. Insects from the Tertiary lake deposits of the southern interior of British Columbia, collected by Mr. Lawrence M. Lambe. Contributions to Canadian Palaeontology 2(3):93-129 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119858: authorized by Matthew Clapham, entered by Jered Karr on 02.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Raphidioptera -
Archiinocellia oligoneura n. gen. n. sp. Handlirsch 1910 snakefly
Collected July 21