Cecil Nesmo's #1, RTMP L1137 (Cretaceous of Canada)

Also known as CN-1

Where: Alberta, Canada (49.1° N, 110.7° W: paleocoordinates 56.9° N, 75.8° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• 6 m above the top of the middle unit; Nesmo's unit

• bed-level stratigraphic resolution

Environment/lithology: crevasse splay; siltstone

• "1.5 m thick, massive siltstone. The host lithosome is tabular, flat-bedded, and fines upward."

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: J. D. Gardner. 2000. Albanerpetontid amphibians from the Upper Cretaceous (Campanian and Maastrichtian) of North America. Geodiversitas 22(3):349-388 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45893: authorized by Matthew Carrano, entered by Matthew Carrano on 13.12.2004, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Unionida - Unionidae
Unionidae indet.3 Rafinesque 1820 freshwater mussel
Gastropoda
  -
Gastropoda indet.3 Cuvier 1797 snail
Chondrichthyes
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus3 Cope 1876 whiptail stingray
 Orectolobiformes - Hemiscylliidae
Chiloscyllium missouriense3 Case 1979 carpet shark
Actinopteri
 Teleostei -
 Elopiformes - Phyllodontidae
Phyllodontinae indet.3 Darteville and Casier 1949
Paralbula casei3 Estes 1969
 Albuliformes - Albulidae
Coriops amnicolus3 Estes 1969 bonefish
 Esociformes - Esocidae
Estesesox foxi3 Wilson et al. 1992
 Holostei -
 Lepisosteiformes - Lepisosteidae
"Atractosteus occidentalis" = Lepisosteus occidentalis3
"Atractosteus occidentalis" = Lepisosteus occidentalis3 Leidy 1856 gar
Osteichthyes
 Temnospondyli - Albanerpetontidae
Albanerpeton gracilis Gardner 2000 tetrapod
RTMP 96.78.185
Albanerpeton galaktion Fox and Naylor 1982 tetrapod
RTMP 96.78.124
 Salientia -
 Proteida - Batrachosauroididae
Opisthotriton kayi3 Auffenberg 1961 salamander
 Caudata - Urodela
Scapherpeton tectum3 Cope 1876 salamander
Reptilia
 Testudines - Trionychidae
Trionychidae indet.3 Gray 1825 softshell turtle
 Testudines - Baenidae
Baenidae indet.3 Cope 1882 turtle
 Testudines - Panchelydridae
 Avetheropoda - Dromaeosauridae
Saurornitholestes langstoni3 Sues 1978 coelurosaur
 Avetheropoda - Troodontidae
Troodon formosus3 Leidy 1856 coelurosaur
Aves
  -
Aves indet.3 Linnaeus 1758 bird
Reptilia
 Avetheropoda - Tyrannosauridae
Tyrannosauridae indet.3 Osborn 1906 tyrannosaurid
 Neornithischia - Ceratopsidae
Ceratopsidae indet.3 Marsh 1888 ceratopsid
 Neornithischia - Hadrosauridae
Hadrosauridae indet.3 Cope 1869 hadrosaurid
 Loricata -
Crocodylia indet.1 crocodilian
 Squamata -
cf. Palaeosaniwa canadensis3 Gilmore 1928 squamates
Varanoidea indet.3 Gray 1827 squamates
 Squamata - Helodermatidae
Helodermatidae indet.3 Gray 1837 squamates
 Squamata -
Colpodontosaurus cracens3 Estes 1964 squamates
 Squamata - Chamopsiidae
Leptochamops sp.3 Estes 1964 lizard
 Choristodera -
Champsosaurus sp.3 Cope 1876 choristodere
Mammalia
 Theriiformes - Peradectidae
Pediomyidae indet.1 metatherian
 Theriiformes - Marsupialia
 Didelphimorphia - Alphadontidae
Turgidodon praesagus2 Russell 1952 marsupial
 Allotheria -
Multituberculata indet.2 Cope 1884 multituberculate
 Multituberculata - Cimolomyidae
Meniscoessus major2 Russell 1936 multituberculate