Inmost Island, Kinwow Bay, Lake Winnepeg (Ordovician of Canada)

Also known as Birch Island

Where: Manitoba, Canada (52.1° N, 97.4° W: paleocoordinates 10.7° S, 57.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Cat Head Member (Red River Formation), Maysvillian (452.0 - 449.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: lithified dolomite and lithified chert

• cream-coloured finely crystalline dolomite, light grey dense chert

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: S. P. Robson and G. A. Young. 2013. Late Ordovician conulariids from Manitoba, Canada. Journal of Paleontology 87(5):775-785 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 174050: authorized by Pete Wagner, entered by Pete Wagner on 24.10.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
"Asaphus (Isotelus) susae" = Isotelus susae, Asaphus (Isotelus) gigas
"Asaphus (Isotelus) susae" = Isotelus susae Whitfield 1882 trilobite
Asaphus (Isotelus) gigas Dekay 1824 trilobite
Bivalvia
 Ostreida - Pterineidae
Palaeopteria parvula n. sp. Whiteaves 1897 oyster
 Pholadomyida - Edmondiidae
? Edmondia vetusta n. sp. Whiteaves 1897 clam
 Protobranchia - Ctenodontidae
Gastropoda
 Euomphalina - Platyceratidae
"? Pleurotomaria margaritoides n. sp." = Cyclonema margaritoides
"? Pleurotomaria margaritoides n. sp." = Cyclonema margaritoides Whiteaves 1897 snail
 Bellerophontida - Plectonotidae
Tetranota bidorsata Hall 1847 snail
 Murchisoniina - Eotomariidae
Liospira americana Billings 1860 snail
Liospira angustata Ulrich and Scofield 1897 snail
Cephalopoda
 Discosorida - Westonoceratidae
"Cyrtoceras ? manitobense" = Westonoceras manitobense
"Cyrtoceras ? manitobense" = Westonoceras manitobense Whiteaves 1890
Strophomenata
 Strophomenida - Rafinesquinidae
"Leptaena unicostata" = Megamyonia unicostata Meek and Worthen 1868
 Strophomenida - Strophomenidae
Strophomena incurvata Shephard 1838
Rhynchonellata
 Atrypida - Anazygidae
"Zygospira recurvirostra" = Anazyga recurvirostra
"Zygospira recurvirostra" = Anazyga recurvirostra Hall 1847
 Orthida - Hesperorthidae
"Orthis tricenaria" = Hesperorthis tricenaria
"Orthis tricenaria" = Hesperorthis tricenaria Conrad 1843
Lingulata
 Lingulida - Lingulidae
Lingula elongata Hall 1847
Hydrozoa
 Hydroida -
Scyphozoa
 Conulariida - Conulariidae
Conularia ? splendida Billings 1866 jellyfish
Bronteus
  - Bronteidae