Site 1 (near confluence of Blindman and Red Deer Rivers) (Paleocene of Canada)

Also known as Blackfalds

Where: Alberta, Canada (52.4° N, 113.8° W: paleocoordinates 58.7° N, 90.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Paskapoo Formation, Tiffanian (61.7 - 56.8 Ma)

• "The fossiliferous layer, ranging in thickness from 5 to 10 cm, is a fine-grained argillaceous limestone of I part hydromica to 2 parts calcite, It overlies a coal seam of varied thickness." Mitchell & Wighton, 1979

Environment/lithology: pond; lithified, fine-grained, argillaceous limestone

• Unlike many lacustrine sediments, the matrix shows no laminations, Hickey and Peterson (1978) suggest the Blackfalds site was once a forested backswamp; the absence of fish remains and the presence of mollusc shells (predominantly Physa spp,) and a few water lilies support this suggestion
• fine-grained matrix

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Primary reference: P. Mitchell and D. Wighton. 1979. Larval and adult insects from the Paleocene of Alberta, Canada. The Canadian Entomologist 111:777-782 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119816: authorized by Matthew Clapham, entered by Jered Karr on 02.11.2011, edited by Matthew Clapham and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• Specimens deposited in UAPC ( University of Alberta Paleontological Collections
Reptilia
 Testudines - Chelydridae
Chelydridae indet.2 Swainson 1839 turtle
Insecta
 Dicondylia -
Ephemeroptera indet. Hyatt and Arms 1890 mayfly
UAPC 5569
 Odonata - Gomphaeschnidae
"Alloaeschna paskapooensis n. gen. n. sp." = Alloaeschna paskapooensis5, "Alloaeschna marklae n. sp." = Alloaeschna paskapooensis5
"Alloaeschna paskapooensis n. gen. n. sp." = Alloaeschna paskapooensis5 Wighton and Wilson 1986 true dragonfly
UAPC 6189
"Alloaeschna marklae n. sp." = Alloaeschna paskapooensis5 Wighton and Wilson 1986 true dragonfly
UAPC 5553 collected by P. Mitchell , 1977
 Hemiptera - Belostomatidae
? Belostomatidae indet. Leach 1815 giant water bug
UAPC 6150
 Hemiptera - Pentatomidae
? Pentatomidae indet. Leach 1815 stink bug
 Hemiptera - Cixiidae
Cixiidae indet. Spinola 1839 cixiid planthopper
 Hemiptera - Cercopidae
Cercopidae indet. Leach 1815 froghopper
 Dicondylia -
? Orthoptera indet. Olivier 1789 grasshopper
 Hymenoptera - Formicidae
Napakimyrma paskapooensis n. gen. n. sp.3
Napakimyrma paskapooensis n. gen. n. sp.3 LaPolla and Barden 2018 ant
 Coleoptera - Noteridae
? Noteridae indet. Thomson 1860 burrowing water beetle
UAPC 6151, 5526
 Coleoptera - Carabidae
Carabidae indet. Latreille 1802 ground beetle
 Coleoptera - Dytiscidae
Dytiscidae indet. Leach 1815 predaceous diving beetle
 Coleoptera - Tenebrionidae
Tenebrionidae indet. Latreille 1802 darkling beetle
 Coleoptera - Chrysomelidae
"Donacia (Donacia) wightoni n. sp." = Donacia wightoni1
"Donacia (Donacia) wightoni n. sp." = Donacia wightoni1 Askevold 1990 leaf beetle
UAPC 5566(407), 5560(200), 5561(161), 5564(300), 5566(401), 5566(410)
 Coleoptera - Curculionidae
Curculionidae indet. Latreille 1802 snout beetle
 Coleoptera - Helodidae
? Helodidae indet. Shuckard 1839 beetle
UAPC 5528, 5518
 Diptera -
? Diptera indet. Linnaeus 1758 fly
 Diptera - Tipulidae
Tipulinae indet.4 Latreille 1802 crane fly
UAPC 5559 male pupa
Tipula tubifera n. sp.4 Wighton 1980 crane fly
UAPC 6166 collected 13 August 1977
 Diptera - Limoniidae
Pseudolimnophila speirsae n. sp.4 Wighton 1980 crane fly
UAPC 6171
Limnophila marklae n. sp.4 Wighton 1980 crane fly
UAPC 5568