Where: Alberta, Canada (49.4° N, 110.4° W)
• Paleocoordinates: 59.4° N, 65.6° W (Wright 2013)
• coordinate stated in text
• local area-level geographic resolution
When: Bearpaw Formation, Late/Upper Campanian (83.6 - 72.2 Ma)
• STRATIGRAPHIC RELATIONS: From the Bearpaw [Shale] Formation, which overlies the Late Campanian Oldman Formation (brackish to non-marine), andis overlain by the Eastend Fm (Maastrichtian). AGE: Late Campanian on the basis of ammonite (and other groups) biostratigraphy; Baculites compressus biozone. STRATIGRAPHIC POSITION: From unknown position within formation.
• group of beds-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, gray shale and lithified, concretionary shale
Size class: macrofossils
Preservation: cast, mold/impression, original calcite
Collected by Russell & Landes in 1934-1936; reposited in the GSC
Collection methods: surface (in situ),
• COLLECTOR: L.S. Russell and R. W. Landes. REPOSITORY: Geological Survey of Canada (GSC)
Primary reference: L. S. Russell and R. W. Landes. 1937. Geology of the Southern Alberta Plains. Part II. Paleontology of the marine formations of the Montana Group. Geological Survey of Canada Memoir 221 [A. Hendy/A. Hendy/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 82638: authorized by Austin Hendy, entered by Austin Hendy on 30.07.2008
Creative Commons license: CC0 (CC0)
Taxonomic list
| Cephalopoda | |
|
Actinosepia canadensis Whiteaves 1897 vampire squids | |
|
Eutrephoceras dekayi Morton 1834 | |
"Rhaeboceras albertensis" = Rhaeboceras albertense, "Rhaeboceras subglobosus" = Rhaeboceras subglobosum, Rhaeboceras whiteavesi, Acanthoscaphites quadrangularis, Acanthoscaphites plenus, "Acanthoscaphites nodosus" = Hoploscaphites nodosus
"Rhaeboceras albertensis" = Rhaeboceras albertense Warren 1930 ammonite
"Rhaeboceras subglobosus" = Rhaeboceras subglobosum Whiteaves 1885 ammonite
Rhaeboceras whiteavesi Russell and Landes 1937 ammonite
Acanthoscaphites quadrangularis ammonite
Acanthoscaphites plenus Meek and Hayden 1861 ammonite
"Acanthoscaphites nodosus" = Hoploscaphites nodosus Owen 1852 ammonite | |
|
Baculites compressus Say 1920 ammonite
Baculites crickmayi Williams 1930 ammonite
Baculites ovatus Say 1820 ammonite | |
|
Placenticeras meeki ammonite
Placenticeras intercalare Meek and Hayden 1860 ammonite | |
| Gastropoda | |
|
Vanikoropsis sp. Meek 1876 snail | |
|
Polinices obliquata moon snail | |
|
Fasciolaria sp. Lamarck 1799 tulip snail | |
|
Anchura americana snail | |
|
Cinulia concinna snail | |
|
Anisomyon centrale Meek 1871 pulmonate | |
| Scaphopoda | |
|
Dentalium gracile tusk shell | |
|
Cadulus sp. Philippi 1844 tusk shell | |
| Bivalvia | |
"Yoldia scitula" = Nuculana (Jupiteria) scitula
"Yoldia scitula" = Nuculana (Jupiteria) scitula Meek and Hayden 1856 pointed nut clam | |
"Yoldia evansi" = Malletia evansi
"Yoldia evansi" = Malletia evansi Meek and Hayden 1857 clam | |
"Nucula planimarginata" = Nucula planomarginata, Nucula cancellata
"Nucula planimarginata" = Nucula planomarginata Meek and Hayden 1857 nut clam
Nucula cancellata Meek and Hayden 1857 nut clam | |
"Lucina occidentalis" = Nymphalucina occidentalis, Lucina subundata
"Lucina occidentalis" = Nymphalucina occidentalis Morton 1842 clam
Lucina subundata Hall and Meek 1855 clam | |
|
Martesia sp. Sowerby 1824 piddock | |
"Gervillia borealis" = Leptocardia borealis, "Protocardia borealis" = Leptocardia borealis, Protocardia subquadrata
"Gervillia borealis" = Leptocardia borealis Whiteaves 1885 cockle
"Protocardia borealis" = Leptocardia borealis Whiteaves 1885 cockle
Protocardia subquadrata Evans and Shumard 1857 cockle | |
|
Arctica ovata clam
Veniella sp. Stoliczka 1870 clam | |
"Clisocolus moreauensis" = Glossus moreauensis
"Clisocolus moreauensis" = Glossus moreauensis Meerk and Hayden 1861 clam | |
"Mactra warrenana" = Cymbophora warrenana
"Mactra warrenana" = Cymbophora warrenana Meek and Hayden 1856 clam | |
|
Dosiniopsis robusta venus clam
Dosiniopsis pellucida venus clam
Dosiniopsis deweyi Meek and Hayden 1856 venus clam | |
|
Pholadomya sp. Sowerby 1823 clam | |
|
Liopistha montanensis Henderson 1918 clam | |
|
Cuspidaria sp. Dall 1886 clam | |
|
Thracia gracilis clam | |
|
Leptosolen albertensis Russell and Landes 1937 clam | |
|
Crenella elegantula Meek and Hayden 1862 clam | |
Volsella anomala, Volsella wrighti, "Volsella attenuata" = Modiolus attenuatus, "Volsella galpiniana" = Modiolus galpinianus
Volsella anomala Russell and Landes 1937 mussel
Volsella wrighti Warren 1934 mussel
"Volsella attenuata" = Modiolus attenuatus Meek and Hayden 1857 horsemussel
"Volsella galpiniana" = Modiolus galpinianus Evans and Shumard 1854 horsemussel | |
|
Ostrea patina oyster
Ostrea sp. Linnaeus 1758 oyster | |
Pteria notukeuensis, "Pteria linguiformis" = Phelopteria linguaeformis
Pteria notukeuensis Warren 1934 pearl oyster
"Pteria linguiformis" = Phelopteria linguaeformis Evans and Shumard 1854 pearl oyster | |
|
Anomia sp. Linnaeus 1758 jingle | |
|
Syncyclonema hallii scallop | |
|
Pecten nebrascensis scallop | |
"Inoceramus sagensis" = Inoceramus (Cataceramus) sagensis, "Inoceramus tenuilineatus" = Inoceramus (Cataceramus) tenuilineatus, Inoceramus barabini, Inoceramus vanuxemi, Inoceramus proximus, Inoceramus subcircularis
"Inoceramus sagensis" = Inoceramus (Cataceramus) sagensis Owen 1852 clam
"Inoceramus tenuilineatus" = Inoceramus (Cataceramus) tenuilineatus Hall and Meek 1855 clam
Inoceramus barabini clam
Inoceramus vanuxemi clam
Inoceramus proximus clam | |
|
Limopsis parvula clam | |
|
Nemodon canadensis Russell and Landes 1937 clam | |