Drumheller region (Cretaceous to of Canada)

Where: Alberta, Canada (51.5° N, 112.8° W: paleocoordinates 59.2° N, 78.7° W)

• coordinate based on nearby landmark

When: Horsehoe Canyon Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: delta plain; calcareous, cherty/siliceous mudstone

• from "ironstone nodules occuring throughout the mudstone beds"

Size classes: mesofossils, microfossils

Preservation: concretion

Collection methods: bulk,

Primary reference: K. R. Aulenback and B.A. LePage. 1998. Taxodium wallisii sp. nov.: First occurence of Taxodium from the Upper Cretaceous. International Journal of Plant Sciences 159(2):367-390 [B. Tiffney/J. Fosdick/J. Fosdick]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34894: authorized by Bruce Tiffney, entered by Julia Fosdick on 10.10.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Polypodiopsida
  - Marsileaceae
Marsilea sp. Linnaeus 1753 water clover
 Polypodiales - Polypodiidae
Microlepia sp. Presl 1836
 Salviniales - Polypodiidae
Azolla sp. Lamarck 1783
 Schizaeales - Polypodiidae
Anemia sp. Swartz 1806
  - Blechnaceae
Blechnum sp. Linnaeus 1753
Cycadopsida
 Cycadales -
"Nilssonia sp." = Nilsonia
"Nilssonia sp." = Nilsonia Brongniart 1825 cycads
Angiospermae
 Ceratophyllales - Ceratophyllaceae
Ceratophyllum sp. Linnaeus 1753 hornwort
 Mesangiosperms - Araceae
"Carpites verrucosus" = Porosia verrucosa
"Carpites verrucosus" = Porosia verrucosa Lesquereux 1878
 Poales - Cyperaceae
Cyperus sp. Linnaeus 1753 sedge
 Coniferales - Cupressaceae
Cryptomeria sp. Don cypress
Taxodium wallisii n. sp. cypress
Cunninghamia sp. Brown cypress
Drumhellera kurmanniae Serbet and Stockey 1991 cypress
Sequoiadendron sp. Buchholz cypress
Pinopsida
 Pinales - Pinaceae
Abies sp. Miller 1754 fir
 Pinales - Taxaceae
Torreya sp. Arnott 1838 yew
Magnoliopsida
  -
"Trapago angulata" = Quereuxia
"Trapago angulata" = Quereuxia