Grassy Lake, Medicine Hat (CNC August 1968 collection) (Cretaceous of Canada)

Also known as Canadian amber

Where: Alberta, Canada (49.8° N, 111.7° W: paleocoordinates 57.2° N, 76.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Taber coal Member (Foremost Formation), Middle Campanian (83.5 - 70.6 Ma)

• Foremost Formation is likely middle Campanian in age, see Fowler et al. 2017 supplementary data for more details on age constraints of the Foremost Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; amber

Size class: mesofossils

Preservation: original chitin, amber

Collected by J.E.H. Martin, J.F. McAlpine in 1968

• Specimens sometime given CAS numbers, sometimes CNC numbers, but all are deposited in the Canadian National Collection.

Primary reference: E. O. Wilson. 1985. Ants from the Cretaceous and Eocene amber of North America. Psyche 92:205-216 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122390: authorized by Matthew Clapham, entered by Matthew Clapham on 23.12.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Blattodea -
Isoptera indet.2 termite
CAS 111
 Hymenoptera - Formicidae
"Sphecomyrma canadensis" = Boltonimecia canadensis
"Sphecomyrma canadensis" = Boltonimecia canadensis Wilson 1985 ant
CAS 205
Collembola
 Symphypleona - Katiannidae
Keratopygos megalos n. gen. n. sp.1
Keratopygos megalos n. gen. n. sp.1 Christiansen and Pike 2002 springtail
CAS 110