Spence Bridge Group (Cretaceous of Canada)

Also known as Pimainus Hills

Where: British Columbia, Canada (50.3° N, 121.5° W: paleocoordinates 41.7° N, 76.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Spence Bridge Group, Aptian (125.0 - 113.0 Ma)

Environment/lithology: conglomeratic sandstone

• series of volcanic flows and pyroclastic rocks wth minor interbedded arkose and conglomerate

Size class: macrofossils

Collection methods: surface (float), surface (in situ), mechanical,

• from C.W. Drysdale (1912) and S. Duffell (1945)

Primary reference: W. A. Bell. 1956. Lower Cretaceous Floras of Western Canada. Geological Survey of Canada Memoir 285 (2528)1-153 [A. Rees/D. Sunderlin/D. Sunderlin]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 24887: authorized by Allister Rees, entered by Dave Sunderlin on 22.08.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Claodphlebis parva
Polypodiopsida
  - Gleicheniaceae
Gleichenites giesekianus, Gleichenites nordenskioldi
  -
Cladophlebis porsildi, Cladophlebis virginiensis
Sphenopteridae
  - Sphenopteridae
Sphenopteris latiloba
Sphenopteris latiloba Fontaine 1889
 Bennettitales -
Pseudocycas cf. unjiga
 Coniferales - Podocarpaceae
Podozamites lanceolatus
Podozamites lanceolatus Lindley and Hutton 1840 podocarp
 Coniferales -
? Athrotaxites ? berryi, Desmiophyllum sp.
Desmiophyllum sp. Lesquereux 1878
Pinopsida
 Pinales - Taxaceae
Elatides curvifolia
Elatides curvifolia Dunker 1846 yew
Gnetopsida
  -
Pityophyllum sp.
Pityophyllum sp. Nathorst 1899
Cycadopsida
 Cycadales -
"Nilssonia sp." = Nilsonia, "Nilssonia canadensis n. sp." = Nilsonia
"Nilssonia sp." = Nilsonia Brongniart 1825 cycads
"Nilssonia canadensis n. sp." = Nilsonia cycads
Ginkgoopsida
 Caytoniales - Caytoniaceae
Sagenopteris ? elliptica