Cecil Nesmo's #2, RTMP L1136 (Cretaceous of Canada)

Also known as CN-2

Where: Alberta, Canada (49.1° N, 110.7° W: paleocoordinates 56.3° N, 76.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Middle Member (Oldman Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• 4.5 m above the uppermost sandstone sheet of the middle unit

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; brown, argillaceous, silty sandstone

• "1.1 m thick, clayey. silty sandstone. The host lithosome contains rich organic material, which is indicated by its evident brown colour."

Size class: mesofossils

Reposited in the TMP

Collection methods: bulk, sieve,

Primary reference: J. Peng, A. P. Russell, and D. B. Brinkman. 2001. Vertebrate microsite assemblages (exclusive of mammals) from the Foremost and Oldman Formations of the Judith River Group (Campanian) of southeastern Alberta: an illustrated guide. Provincial Museum of Alberta, Natural History Occasional Paper 25:1-54 [M. Carrano/M. Carrano/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 45892: authorized by Matthew Carrano, entered by Matthew Carrano on 13.12.2004, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Teleostei -
 Esociformes - Esocidae
Estesesox foxi Wilson et al. 1992
 Albuliformes - Albulidae
Coriops amnicolus Estes 1969 bonefish
 Holostei -
 Lepisosteiformes - Lepisosteidae
"Atractosteus occidentalis" = Lepisosteus occidentalis
"Atractosteus occidentalis" = Lepisosteus occidentalis Leidy 1856 gar
Amphibia
 Salientia -
 Proteida - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961 salamander
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
 Temnospondyli - Albanerpetontidae
Albanerpeton sp. Estes and Hoffstetter 1976 tetrapod
Reptilia
 Squamata -
cf. Palaeosaniwa canadensis Gilmore 1928 squamates
Varanoidea indet. Gray 1827 squamates
 Squamata - Chamopsiidae
Leptochamops sp. Estes 1964 squamates
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Testudines - Chelydridae
Chelydridae indet. Swainson 1839 turtle
 Testudinata - Baenidae
Baenidae indet. Cope 1882 turtle
 Loricata -
Crocodylia indet.1 crocodilian
 Theropoda -
Paronychodon lacustris Cope 1876 maniraptoran
Aves
  -
Aves indet. Linnaeus 1758 bird
Reptilia
 Theropoda - Dromaeosauridae
Saurornitholestes langstoni Sues 1978 maniraptoran
Richardoestesia gilmorei Currie et al. 1990 maniraptoran
 Theropoda - Troodontidae
Troodon formosus Leidy 1856 maniraptoran
 Theropoda - Tyrannosauridae
Aublysodon sp. Leidy 1868 tyrannosaurid
 Ornithischia - Ankylosauridae
Ankylosauridae indet. Brown 1908 ankylosaurid
 Ornithischia - Hadrosauridae
Hadrosauridae indet. Cope 1869 hadrosaurid
 Ornithischia - Ceratopsidae
Ceratopsidae indet. Marsh 1888 ceratopsid
 Choristodera -
Champsosaurus sp. Cope 1876 choristodere
Mammalia
 Theriamorpha -
Theria indet.2 Parker and Haswell 1897 mammal
 Allotheria -
Multituberculata indet.2 Cope 1884 multituberculate
Bivalvia
 Cardiida - Sphaeriidae
"Pisidiidae indet." = Pisidiinae
"Pisidiidae indet." = Pisidiinae Gray 1857 clam