Pine River Bridge Section (Triassic of Canada)

Where: British Columbia, Canada (55.5° N, 122.7° W: paleocoordinates 32.6° N, 52.6° W)

When: Pardonet Formation (Schooler Creek Group), Norian (228.0 - 208.5 Ma)

Environment/lithology: open shallow subtidal; lithified, dolomitic, pyritic, black, gray, argillaceous limestone and calcareous siltstone

• The whole complex consists of a dark grey to blackish, silty, slightly argillaceous, pyritic and bituminous limestone dolomitized in varying degree and locally grading into a strongly calcareous siltstone or mudstone of very similar appearance. The lower beds are somewhat thinner bedded and more arenaceous than the upper ones.

Size classes: macrofossils, mesofossils

Collected by G.E.G. Westermann in 1958, 1959; reposited in the GSC, USNM

Primary reference: G. E. G. Westermann. 1962. Succession and Variation of Monotis and the Associated Fauna in the Norian Pine River Bridge Section, British Columbia (Triassic, Pelecypoda). Journal of Paleontology 36(4):745-792 [G. Stanley/H. Shepherd]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 140040: authorized by George Stanley, entered by Hannah Shepherd on 27.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Bakevelliidae
""Gervilleia" aff. goldfussi" = Gervillia
""Gervilleia" aff. goldfussi" = Gervillia oyster
 Ostreida - Gryphaeidae
Gryphaea cf. arcuataeformis Kiparisova 1936 oyster
 Pectinida - Oxytomidae
Oxytoma cf. kiparisovae Tozer 1961 scallop
Meleagrinella aff. antiqua Tozer 1970 scallop
Meleagrinella cf. antiqua Tozer 1970 scallop
 Pectinida - Monotidae
"Monotis jakutica" = Monotis (Eomonotis) jakutica Teller 1896 scallop
Monotis scutiformis Teller 1886 scallop
pinensis n. subsp. Holotype GSC 15721, Paratype GSC 15722
Monotis aff. scutiformis Teller 1886 scallop
"Monotis cf. hoernesi" = Monotis (Monotis) hoernesi Kittl 1912 scallop
Monotis (Pacimonotis) subcircularis Gabb 1864 scallop
Netotype USNM 139099, Hypotype USNM 139102, Topotypes USNM 139100-139101
Monotis (Entomonotis) pachypleura Teller 1886 scallop
hemispherica
"Monotis callazonensis n. sp." = Monotis (Entomonotis) callazonensis Westermann 1962 scallop
Holotype GSC 15723, Paratype McM Tr158
"Monotis ochotica" = Monotis (Entomonotis) ochotica Keyserling 1848 scallop
posteroplana n. subsp.; densistriata
Monotis aff. inaequivalvis Bronn 1930 scallop
 Cardiida - Anthracosiidae
"Anodontophora cf. griesbachi" = Unionites griesbachi
"Anodontophora cf. griesbachi" = Unionites griesbachi Bittner 1899 clam
 Lucinida - Lucinidae
Cephalopoda
 Ceratitida - Clionitidae
"Choristoceras aff. kellyi" = Sympolycyclus kellyi
"Choristoceras aff. kellyi" = Sympolycyclus kellyi Smith 1927 ceratite
 Ceratitida - Thetiditidae
Helictites aff. decorus McLearn 1940 ceratite