Mary Hill gravel pit (Pleistocene of Canada)

Where: British Columbia, Canada (49.2° N, 122.8° W: paleocoordinates 49.2° N, 122.8° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Quadra Sand Formation, Late/Upper Pleistocene (0.1 - 0.0 Ma)

• Two dates (18600 +/- 190 and 18700 +/- 170). Organic deposits containing fossil beetles occur as thin layers at the base of the post-Coquitlam Quadra sand.

• bed-level stratigraphic resolution

Environment/lithology: fluvial; unlithified, carbonaceous siltstone

• Organic-rich silt

Size class: macrofossils

Preservation: original chitin

Collection methods: bulk, sieve

• Repository: Quaternary Entomology Laboratory of the Department of Earth Sciences, University of Waterloo

Primary reference: R. F. Miller, A. V. Morgan, and S. R. Hicock. 1985. Pre-Vashon fossil Coleoptera of Fraser age from the Fraser Lowland, British Columbia. Canadian Journal of Earth Sciences 22:498-505 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167675: authorized by Matthew Clapham, entered by Matthew Clapham on 27.03.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Coleoptera - Staphylinidae
Stenus sp., Olophrum sp., Acidota sp., Philonthus sp.
Stenus sp. Latreille 1796 rove beetle
Olophrum sp. Erichson 1839 rove beetle
Acidota sp. Stephens 1829 rove beetle
Philonthus sp. Curtis 1829 rove beetle
 Coleoptera - Helophoridae
Helophorus sp.
Helophorus sp. Fabricius 1775 water scavenger beetle