Scabby Butte, Site 3: Early/Lower Maastrichtian, Canada
collected by L. S. Russell, W. Langston 1955, 1957
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Cimolestidae
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Cimolestes sp.
Marsh 1889
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Lillegraven and McKenna 1986 | |||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops sp.
Simpson 1927
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Lillegraven and McKenna 1986 | |||||||||
Mammalia
- Pediomyidae
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Pediomys cf. krejcii
Clemens 1966
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Lillegraven and McKenna 1986 | |||||||||
recombined as Leptalestes krejcii | ||||||||||
(1 measurement) | ||||||||||
Pediomys cf. cooki
Clemens 1966
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Lillegraven and McKenna 1986 | |||||||||
recombined as Leptalestes cooki | ||||||||||
Mammalia
- Stagodontidae
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Eodelphis ? cutleri
(Woodward 1916)
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Lillegraven and McKenna 1986 | |||||||||
Didelphodon sp.
Marsh 1889
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Lillegraven and McKenna 1986 | |||||||||
ref 1540: said to be a new species | ||||||||||
Mammalia
- Alphadontidae
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Alphadon rhaister
Clemens 1966
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Lillegraven and McKenna 1986 | |||||||||
= Turgidodon ? rhaister
Clemens 1966
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Alroy 2002 | |||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Cimolomys gracilis
Marsh 1889
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Lillegraven and McKenna 1986 | |||||||||
Meniscoessus robustus
(Marsh 1889)
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Lillegraven and McKenna 1986 | |||||||||
Meniscoessus conquistus
Cope 1882
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Lillegraven and McKenna 1986 | |||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Lillegraven and McKenna 1986 | |||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma cf. thompsoni
Clemens 1964
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Lillegraven and McKenna 1986 | |||||||||
Reptilia
- Mosasauridae
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Plioplatecarpus sp.
Dollo 1882
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1 individual | |||||||||
NMC 21830 | ||||||||||
Reptilia
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Champsosaurus sp.
Cope 1876
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3 individuals | |||||||||
NMC 10654 | ||||||||||
Reptilia
- Ornithomimidae
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Ornithomimidae indet.
Marsh 1890
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1 specimen | |||||||||
NMC 10653 | ||||||||||
Reptilia
- Tyrannosauridae
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Tyrannosauridae indet.
Osborn 1906
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1 specimen | |||||||||
NMC 10675 | ||||||||||
Reptilia
- Coeluridae
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? Coeluridae indet.
Marsh 1881
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1 specimen | |||||||||
NMC 10674 | ||||||||||
Reptilia
- Nodosauridae
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Edmontonia cf. longiceps
Sternberg 1928
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1 specimen | |||||||||
NMC 21864 | ||||||||||
Reptilia
- Hadrosauridae
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Edmontosaurus sp.
Lambe 1917
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134 specimens | |||||||||
NMC 9591-93, 9595, 9597-98, 9603-03, 9716-18, 9720, 9791, 9793-9804, 21884-928, 21937-40, 21942-56, 21958-69, 21971-22000, 22005-08 | ||||||||||
Reptilia
- Crocodylia
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Leidyosuchus sp.
Lambe 1907
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NMC 10656 | ||||||||||
= Crocodylia indet.
Owen 1842
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Alroy 2007 | |||||||||
Reptilia
- Crocodylidae
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Crocodylidae indet.
Cuvier 1807
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8 specimens | |||||||||
NMC 10676 | ||||||||||
Amphibia
- Temnospondyli
- Albanerpetontidae
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Albanerpetontidae indet.
Fox and Naylor 1982
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Gardner 2000 | 1 specimen | ||||||||
UALVP 40044 | ||||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton sp.
Auffenberg 1961
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NMC 21865-66 | ||||||||||
= Opisthotriton kayi
Auffenberg 1961
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Gardner and DeMar 2013 | |||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia cf. fragosa
Jordan 1927
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NMC 10677 | ||||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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NMC 10679 | ||||||||||
Actinopteri
- Aspidorhynchiformes
- Aspidorhynchidae
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Belonostomus cf. longirostris
(Lambe 1902)
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NMC 21863 | ||||||||||
Actinopteri
- Sciaenidae
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Platacodon cf. nanus
Marsh 1889
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3 elements | |||||||||
NMC 21874 | ||||||||||
Actinopteri
- Elopiformes
- Phyllodontidae
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Paralbula casei
Estes 1969
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100 specimens | |||||||||
NMC 21867 | ||||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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NMC 10672 (several hundred teeth), 10673 (ca. 30 scales) | ||||||||||
Chondrichthyes
- Orectolobiformes
- Orectolobidae
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Squatirhina americana
Estes 1964
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25 elements | |||||||||
recombined as Restesia americana | ||||||||||
NMC 21869, 21876, 71868 | ||||||||||
Chondrichthyes
- Squatinidae
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Squatina sp.
Dumeril 1806
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9 elements | |||||||||
NMC 21875, 21877 | ||||||||||
Bivalvia
- Pholadida
- Corbulidae
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Corbula perangulata
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Langston 1976 | |||||||||
Bivalvia
- Unionida
- Unionidae
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cf. Plesielliptio sp.
(Russell 1934)
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Langston 1976 | |||||||||
original and current combination Elliptio (Plesielliptio) | ||||||||||
Unio stantoni
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Langston 1976 | |||||||||
Gastropoda
- Viviparidae
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Viviparus sp.
Montfort 1810
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Langston 1976 | |||||||||
Ostracoda
- Podocopida
- Candonidae
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Candona sp.
Baird 1845
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Langston 1976 | |||||||||
Ostracoda
- Podocopida
- Cyprididae
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Cypridea sp.
Bosquet 1852
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Langston 1976 | |||||||||
see common names |
Geography
Country: | Canada | State/province: | Alberta |
Coordinates: | 49.9° North, 113.0° West (view map) | ||
Paleocoordinates: | 57.7° North, 85.7° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
*Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
*International age/stage: | Early/Lower Maastrichtian | ||
Key time interval: | Early/Lower Maastrichtian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | St. Mary River | ||||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: this collection and others from the area are from about 30 m of section
"probably" just above the Bearpaw Shale: Sloan and Russell 1974 |
Lithology and environment
Primary lithology: | brown,gray silty claystone |
Secondary lithology: | sandstone |
Lithology description: "gray to brown clay and siltstones interbedded with lighter-coloured fine sandstones" | |
Environment: | fluvial-deltaic indet. |
Geology comments: mainly "interdistributory flood-basin... [advancing] fluvial system... non-marine... periodic flooding of subaerial surfaces"
from a "shell bed" half way up the escarpment |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Disassociated major elements: | some |
Disassociated minor elements: | many |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | selective quarrying,surface (float),mechanical,field collection | ||
Collection size: | 11 specimens | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | L. S. Russell, W. Langston | Collection dates: | 1955, 1957 |
Taxonomic list comments:see Clemens et al. 1979; originally described by Sloan and Russell 1974
another form of Eodelphis may be present |
Metadata
Database number: | 14502 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, K. Maguire, M. Carrano |
Modifier: | P. Mannion | Research group: | marine invertebrate,vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2023-08-07 09:50:52 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13943. | ETE | W. Langston. 1975. The ceratopsian dinosaurs and associated lower vertebrates from the St. Mary River Formation (Maestrichtian) at Scabby Butte, southern Alberta. Canadian Journal of Earth Sciences 12:1576-1608 [M. Carrano/K. Maguire/M. Carrano] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
19636 | J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy] | |
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] | |
1540 | R. C. Fox and B. G. Naylor. 1986. A new species of Didelphodon Marsh (Marsupialia) from the Upper Cretaceous of Alberta, Canada: paleobiology and phylogeny. Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 172(3):357-380 [J. Alroy/J. Alroy/M. Carrano] | |
42675 | 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] | |
65027 | J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano] | |
7543 | R. Holmes, M. W. Caldwell, and S. L. Cumbaa. 1999. A new specimen of Plioplatecarpus (Mosasauridae) from the lower Maastrichtian of Alberta: comments on allometry, functional morphology, and paleoecology. Canadian Journal of Earth Sciences 36(3):363-369 [J. Alroy/J. Alroy/J. Alroy] | |
2208 | W. Langston. 1976. A Late Cretaceous vertebrate fauna from the St. Mary River Formation in western Canada. In C. S. Churcher (ed.), Athlon: Essays on Palaeontology in Honour of Loris Shano Russell 114-133 [J. Alroy/J. Alroy/M. Carrano] | |
2237 | J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 [J. Alroy/J. Alroy/J. Alroy] |