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

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