Carrot River, section 10 (Cretaceous to of Canada)

Also known as SMNH 63E04-001

Where: Saskatchewan, Canada (53.1° N, 103.0° W: paleocoordinates 54.6° N, 61.8° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Lower Member (Niobrara Formation), Late/Upper Turonian to Late/Upper Turonian (93.5 - 83.5 Ma)

• informal lower member

• member-level stratigraphic resolution

Environment/lithology: marine; calcareous shale

Size class: macrofossils

Primary reference: E. L. Nicholls, T. T. Tokaryk, and L. V. Hills. 1990. Cretaceous marine turtles from the Western Interior Seaway of Canada. Canadian Journal of Earth Sciences 27(10):1288-1298 [J. Alroy/M. Sommers/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 23369: authorized by John Alroy, entered by Jill Wertheim on 12.07.2002, edited by Matthew Carrano and Wolfgang Glaeser

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna includes selachian, teleosts, mosasaurs, plesiosaurs, and aves
Chondrichthyes
 Hybodontiformes - Ptychodontidae
Ptychodus cf. rugosus Dixon 1850 elasmobranch
 Rajiformes - Rhinobatidae
Rhinobatos sp. Link 1790 guitarfish
 Euselachii -
Cretomanta canadensis n. sp. Case et al. 1990 elasmobranch
 Lamniformes - Anacoracidae
Squalicorax falcatus Agassiz 1843 crow shark
 Lamniformes - Cretoxyrhinidae
Cretoxyrhina mantelli Agassiz 1843 mackerel shark
Cretodus sp. Sokolov 1965 mackerel shark
 Lamniformes - Odontaspididae
Synodontaspis lilliae n. sp. sand tiger shark
Odontaspis saskatchewanensis n. sp. sand tiger shark
Reptilia
 Theropoda -
Theropoda indet. theropod
genus and species indet.