TMP NL-3 (Cretaceous of Canada)

Where: Alberta, Canada (52.0° N, 112.9° W: paleocoordinates 59.7° N, 84.4° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Horseshoe Canyon Formation (Edmonton Group), Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• from Unit 3

• bed-level stratigraphic resolution

Environment/lithology: coarse channel fill; sandstone

• "stacked paleochannel sandstones"

Size class: mesofossils

Collected by Brinkman in 2004; reposited in the TMP

Collection methods: bulk, sieve,

Primary reference: D. W. Larson, D. B. Brinkman, and P. R. Bell. 2010. Faunal assemblages from the upper Horseshoe Canyon Formation, an early Maastrichtian cool-climate assemblage from Alberta, with special reference to the Albertosaurus sarcophagus bonebed. Canadian Journal of Earth Sciences 47:1159-1181 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135740: authorized by Matthew Carrano, entered by Matthew Carrano on 06.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Sclerorhynchiformes - Sclerorhynchidae
? Ischyrhiza sp. Leidy 1856 cartilaginous fish
TMP 2003.138.1
 Myliobatiformes - Dasyatidae
Myledaphus sp. Cope 1876 whiptail stingray
Actinopteri
 Teleostei -
Teleostei indet. Müller 1846
TMP 2009.138.2 (centrum type U-5)
 Albuliformes - Albulidae
Coriops sp. Estes 1969 bonefish
 Acanthomorphata -
"Acanthomorpha indet." = Acanthomorphata
"Acanthomorpha indet." = Acanthomorphata Rosen 1973
 Holostei -
 Amiiformes - Amiidae
Cyclurus sp. Agassiz 1843 bowfin
Osteichthyes
 Salientia -
Anura indet. Fischer von Waldheim 1813 frog
 Caudata - Urodela
Scapherpeton sp. Cope 1876 salamander
Reptilia
 Avetheropoda -
Avialae indet. Gauthier 1986 avialan
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
 Avetheropoda - Dromaeosauridae
Dromaeosaurinae indet. Matthew and Brown 1922 coelurosaur
 Neornithischia - Hadrosauridae
Hypacrosaurus altispinus Brown 1913 lambeosaurine
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere