TMP NL-4 (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 Drumheller Marine Tongue, Unit 2

• bed-level stratigraphic resolution

Environment/lithology: coastal; lithology not reported

• "brackish water"

Size class: mesofossils

Collected by Brinkman in 2003; 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 135739: authorized by Matthew Carrano, entered by Matthew Carrano on 06.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Teleostei -
Salmoniformes indet. Bleeker 1859
TMP 2009.139.1
 Holostei -
 Amiiformes - Amiidae
Cyclurus sp. Agassiz 1843 bowfin
 Proteida - Batrachosauroididae
Opisthotriton sp. Auffenberg 1961 tetrapod
 Salientia -
Anura indet. Fischer von Waldheim 1813 frog
TMP 2009.139.6
 Caudata - Urodela
Scapherpeton sp. Cope 1876 salamander
 Testudines - Panchelydridae
 Avetheropoda -
Avialae indet. Gauthier 1986 avialan
Paronychodon sp. Cope 1876 coelurosaur
TMP 2009.139.4
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet. Osborn 1906 tyrannosaurid
 Avetheropoda - Troodontidae
Troodon sp. Leidy 1856 coelurosaur
TMP 2003.34.1
 Ornithischia - Ankylosauridae
Ankylosauridae indet. Brown 1908 ornithischian
TMP 2009.139.4
 Neornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Neornithischia - Hadrosauridae
Hypacrosaurus altispinus Brown 1913 lambeosaurine
 Theriiformes -
Metatheria indet. metatherian