PBDB Collection

Upper Belcourt Ridge (Cretaceous of Canada)

Where: British Columbia, Canada (54.4° N, 120.4° W)

• Paleocoordinates: 60.3° N, 48.5° W (Wright 2013)

• coordinate based on nearby landmark

When: Commotion Formation, Early/Lower Cretaceous (145.0 - 100.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial

• Silty sandstone, silty shale, coal seams

Size class: macrofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: For further modifications, see Crabtree, D.R. 1987. Angiosperms of the Northern Rocky Mountains: Albian to Campanian (Cretaceous) Megafossil floras. Ann. Missouri Bot. Gard. 74: 707-747.

Primary reference: G.B. Mellon, J.H. Hall, and C.R. Stelck. 1963. Lower Cretaceous Section, Belcourt Ridge, Northeastern British Columbia. Bulletin of Canadian Petroleum Geology 11:64-72 [B. Tiffney/J. Fosdick/J. Fosdick]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 31384: authorized by Bruce Tiffney, entered by Julia Fosdick on 11.05.2003

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Cycadopsida
Cycadales - Nilssoniaceae	Pseudoctenis aff. hazeltonensis Pseudoctenis aff. hazeltonensis cycads
Cycadales -	"Nilssonia cf. serotina" = Nilsonia, "Nilssonia canadensis" = Nilsonia "Nilssonia cf. serotina" = Nilsonia cycads "Nilssonia canadensis" = Nilsonia cycads
Ctenopteris
-	Ctenopteris sp. Ctenopteris sp. Saporta 1872
Ginkgoopsida
Ginkgoales - Ginkgoaceae	Ginkgo cf. pluripartita, Ginkgo aff. digitata Ginkgo cf. pluripartita Heer 1876 ginkgo Ginkgo aff. digitata Brongniart 1830 ginkgo
Caytoniales - Caytoniaceae	Sagenopteris williamsii, Sagenopteris cf. mclearni Sagenopteris williamsii Bell 1956 Sagenopteris cf. mclearni Berry 1929
Polypodiopsida
-	Cladophlebis alberta, Cladophlebis cf. porsildi, Cladophlebis cf. virginiensis, Cladophlebis parva Cladophlebis alberta Cladophlebis cf. porsildi Cladophlebis cf. virginiensis Fontaine 1889 Cladophlebis parva Fontaine 1889
Gnetopsida
-	"Pityophyllum nordenskjoldii" = Pityophyllum nordenskioeldi "Pityophyllum nordenskjoldii" = Pityophyllum nordenskioeldi Heer 1899
Sphenopteridae
- Sphenopteridae	Sphenopteris sp., Sphenopteris cf. latiloba Sphenopteris sp. Sternberg 1825 Sphenopteris cf. latiloba Fontaine 1889
Pinopsida
Pinales - Taxaceae	Cyparissidium gracile, Protophyllocladus subintegrifolius, Elatides cf. splendida, Elatides cf. curvifolia Cyparissidium gracile Heer 1868 yew Protophyllocladus subintegrifolius Lesquereux 1868 yew Elatides cf. splendida yew Elatides cf. curvifolia Dunker 1846 yew

Bennettitales -	cf. Otozamites ? sp., Pseudocycas cf. sp., Pseudocycas cf. unjiga, Ptilophyllum cf. columbianum, Ptilophyllum aff. montanense, Pterophyllum aff. plicatum, Pterophyllum cf. rectangulare, Pterophyllum sp. cf. Otozamites ? sp. Braun 1843 Pseudocycas cf. sp. Nathorst 1907 Pseudocycas cf. unjiga Ptilophyllum cf. columbianum Ptilophyllum aff. montanense Pterophyllum aff. plicatum Pterophyllum cf. rectangulare Pterophyllum sp. Brongniart 1828
Coniferales - Podocarpaceae	Elatocladus acifolia, Podozamites sp. Elatocladus acifolia podocarp Podozamites sp. Braun 1843 podocarp
Coniferales -	Athrotaxites sp. Athrotaxites sp. Unger 1849
Angiospermae
Apiales - Araliaceae	Aralia wellingtoniana Aralia wellingtoniana Lesquereux 1891 spikenard
Laurales - Lauraceae	Sassafras parvofilium Sassafras parvofilium sassafras
Sapindales - Sapindaceae	Sapindopsis cf. magnifolia Sapindopsis cf. magnifolia Fontaine 1889 soapberry
Malpighiales - Salicaceae	Populites cf. dawsoni Populites cf. dawsoni
Fabales - Fabaceae	Fontainea cf. grandiflora Fontainea cf. grandiflora legume
Vitales - Vitaceae	Cissites ? sp. Cissites ? sp. Debey 1866
Rosids - Moraceae	Ficus ovatifolia Ficus ovatifolia Newberry 1896 fig
Hepaticae
-	Thallites blairmorensis Thallites blairmorensis liverwort
Marchantiales - Marchantiaceae	Marchantites ? sp. Marchantites ? sp. Brongniart 1849 liverwort