Come-By-Chance, RTMP L1139: Late/Upper Campanian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Actinopteri
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Teleostei informal indet. D
Müller 1846
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25 elements | |||||||||
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Teleostei indet.
Müller 1846
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73 elements | |||||||||
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Actinopteri
- Esociformes
- Esocidae
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Estesesox foxi
Wilson et al. 1992
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10 elements | |||||||||
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Actinopteri
- Elopiformes
- Phyllodontidae
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Phyllodontinae indet.
Darteville and Casier 1949
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12 elements | |||||||||
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Actinopteri
- Albuliformes
- Albulidae
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Coriops amnicolus
Estes 1969
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7 elements | |||||||||
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Actinopteri
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Holostei informal indet. A
Müller 1846
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19 elements | |||||||||
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Atractosteus occidentalis
(Leidy 1856)
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123 elements | |||||||||
| original and current combination Lepidotus occidentalis | ||||||||||
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Actinopteri
- Amiiformes
- Amiidae
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Amiidae indet.
Huxley 1861
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7 elements | |||||||||
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Reptilia
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Champsosaurus sp.
Cope 1876
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2 specimens | |||||||||
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Reptilia
- Dromaeosauridae
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Richardoestesia gilmorei
Currie et al. 1990
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3 specimens | |||||||||
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Saurornitholestes langstoni
Sues 1978
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7 specimens | |||||||||
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Reptilia
- Troodontidae
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Troodon formosus
Leidy 1856
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4 specimens | |||||||||
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Reptilia
- Tyrannosauridae
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Tyrannosauridae indet.
Osborn 1906
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3 specimens | |||||||||
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Reptilia
- Ankylosauridae
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Ankylosauridae indet.
Brown 1908
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1 specimen | |||||||||
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Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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17 specimens | |||||||||
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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87 specimens | |||||||||
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Reptilia
- Crocodylia
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Leidyosuchus sp.
Lambe 1907
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19 specimens | |||||||||
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= Crocodylia indet.
Owen 1842
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Alroy 2007 | |||||||||
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Reptilia
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Alligatorinae indet.
Cuvier 1807
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2 specimens | |||||||||
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Reptilia
- Chamopsiidae
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Leptochamops sp.
Estes 1964
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7 specimens | |||||||||
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Reptilia
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cf. Palaeosaniwa canadensis
Gilmore 1928
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2 specimens | |||||||||
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Reptilia
- Helodermatidae
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Helodermatidae indet.
Gray 1837
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2 specimens | |||||||||
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Reptilia
- Anguidae
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Odaxosaurus cf. priscus
Gao and Fox 1996
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3 specimens | |||||||||
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Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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6 specimens | |||||||||
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Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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17 specimens | |||||||||
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Reptilia
- Testudines
- Chelydridae
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Chelydridae indet.
Swainson 1839
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6 specimens | |||||||||
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Mammalia
- Multituberculata
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Multituberculata indet.
Cope 1884
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Brinkman et al. 2004 | 2 specimens | ||||||||
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Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma cf. primaeva
(Lambe 1902)
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Brinkman et al. 2004 | 1 specimen | ||||||||
| recombined as Filikomys primaevus | ||||||||||
| Possible incorrectly spelled "primaevus" [check 11931] | ||||||||||
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Mesodma cf. antiqua
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Brinkman et al. 2004 | 2 specimens | ||||||||
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Mammalia
- Multituberculata
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Cimexomys sp.
Sloan and Van Valen 1965
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Brinkman et al. 2004 | 2 specimens | ||||||||
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Mammalia
- Multituberculata
- Cimolomyidae
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Cimolomyidae indet.
Sloan and Van Valen 1965
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Brinkman et al. 2004 | 1 specimen | ||||||||
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Cimolomys clarki
Sahni 1972
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Brinkman et al. 2004 | 1 specimen | ||||||||
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Mammalia
- Marsupialia
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Marsupialia indet.
(Illiger 1811)
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Brinkman et al. 2004 | 2 specimens | ||||||||
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Mammalia
- Peradectidae
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Peradectidae indet.
Crochet 1979
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Brinkman et al. 2004 | 1 specimen | ||||||||
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Amphibia
- Temnospondyli
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Anura indet.
(Fischer von Waldheim 1813)
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147 specimens | |||||||||
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Amphibia
- Temnospondyli
- Urodela
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Scapherpeton tectum
Cope 1876
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129 specimens | |||||||||
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Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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29 specimens | |||||||||
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Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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1 element | |||||||||
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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Bivalvia
- Unionida
- Unionidae
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Unionidae indet.
Rafinesque 1820
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Bivalvia
- Cardiida
- Sphaeriidae
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Pisidiidae indet.
Gray 1857
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| spelled with current rank as Pisidiinae | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Alberta |
| Coordinates: | 49.2° North, 110.7° West (view map) | ||
| Paleocoordinates: | 56.4° North, 76.2° West | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Belly River | Formation: | Oldman | Member: | Upper |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 5.5 m lower than RDS site; "suggested" to be at base of upper unit; Nesmo's unit | |||||
Lithology and environment
| Primary lithology: | argillaceous,sandy siltstone |
| Includes fossils? | Y |
| Lithology description: "60 cm thick, sandy, clayey siltstone. The host lithosome shows very poor internal organization and becomes coarser upward, which may suggest multiple flood events...poorly sorted caliche clasts." | |
| Environment: | crevasse splay |
Taphonomy
| Modes of preservation: | body |
| Lagerst�tten type: | concentrate |
| Degree of concentration: | -multiple events |
| Size of fossils: | mesofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | good |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Size sorting: | well |
| Fragmentation: | frequent |
| Temporal resolution: | time-averaged |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | TMP |
Metadata
| Also known as: | CBC | ||
| Database number: | 45897 | ||
| Authorizer: | M. Carrano, J. Alroy | Enterer: | M. Carrano, J. Alroy |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2004-12-13 07:46:43 | Last modified: | 2021-09-23 12:31:54 |
| Access level: | the public | Released: | 2004-12-13 07:46:43 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11964. | ETE | 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] |
Secondary references:
| 19636 | J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy] | |
| 11931 | ETE | D. B. Brinkman, A. P. Russell, D. A. Eberth and J. Peng. 2004. Vertebrate palaeocommunities of the lower Judith River Group (Campanian) of southeastern Alberta, Canada, as interpreted from vertebrate microfossil assemblages. Palaeogeography, Palaeoclimatology, Palaeoecology 213:295-313 [M. Carrano/M. Carrano/M. Carrano] |
| 78157 | D. A. Eberth. 2015. Origins of dinosaur bonebeds in the Cretaceous of Alberta, Canada. Canadian Journal of Earth Sciences 52(8):655-681 [M. Carrano/M. Carrano] |