Topham: Hemingfordian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Allomys sp.
Marsh 1877
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3 specimens | |||||||||
= Allomyinae indet.
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Sciuridae
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Miospermophilus wyomingensis
Black 1963
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17 specimens | |||||||||
(4 measurements) | ||||||||||
Sciurion campestre n. gen., n. sp.
Skwara 1986
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5 specimens | |||||||||
(6 measurements) | ||||||||||
Protospermophilus sp.
Gazin 1930
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5 specimens | |||||||||
small | ||||||||||
Protospermophilus kelloggi
Black 1963
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5 specimens | |||||||||
Tamiini indet.
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7 specimens | |||||||||
synonym of Marmotini | ||||||||||
"Tamias" sp., can't determine from figures and descriptions what this is, although it seems definitely not to be Nototamias hulberti or Tamias ateles: JA 1.7.96 | ||||||||||
Mammalia
- Rodentia
- Zapodidae
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Schaubeumys sp.
Wood 1935
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6 specimens | |||||||||
= Zapodidae indet.
Coues 1875
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Alroy 2002 | |||||||||
(large) | ||||||||||
Schaubeumys clivosus
(Galbreath 1953)
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28 specimens | |||||||||
= Plesiosminthus clivosus
Galbreath 1953
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Alroy 2002 | |||||||||
recombined as Schaubeumys clivosus | ||||||||||
Mammalia
- Rodentia
- Cricetidae
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Yatkolamys edwardsi
Martin and Corner 1980
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15 specimens | |||||||||
Leidymys cf. blacki
(Macdonald 1963)
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7 specimens | |||||||||
Mammalia
- Rodentia
- Castoridae
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Monosaulax sp.
Stirton 1935
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1 specimen | |||||||||
= Euroxenomys sp.
Samson and Radulesco 1973
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Alroy 2002 | |||||||||
said to be new and the same as the Martin Canyon species; this conforms to the four-flexus/fossette "Castor" pattern of Xu 1994 instead of the two-flexus pattern typical of Eucastor; it is certainly not the much larger "Amblycastor" or Castor - JA pers. obs. 15.11.94; Sutton and Korth 1995 refer the Martin Canyon form to Euroxenomys | ||||||||||
Mammalia
- Rodentia
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Proheteromys informal small
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88 specimens | |||||||||
= Geomyoidea indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
Proheteromys informal large
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13 specimens | |||||||||
= Geomyoidea indet.
Bonaparte 1845
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Alroy 2002 | |||||||||
Mammalia
- Rodentia
- Geomyidae
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Geomyidae indet.
Bonaparte 1845
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1 specimen | |||||||||
Mammalia
- Rodentia
- Heliscomyidae
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Heliscomys vetus
Cope 1873
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11 specimens | |||||||||
= Heliscomys sp.
Cope 1873
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Korth et al. 1991 | |||||||||
Mammalia
- Rodentia
- Heteromyidae
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Stratimus strobeli
Korth et al. 1990
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Korth et al. 1990 | 70 specimens | ||||||||
"Proheteromys sp., intermediate" (5 measurements) | ||||||||||
Mammalia
- Rodentia
- Eomyidae
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Leptodontomys sp.
Shotwell 1956
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2 specimens | |||||||||
Pseudotheridomys sp.
Schlosser 1926
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19 specimens | |||||||||
Mammalia
- Rodentia
- Mylagaulidae
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Mylagaulodon cf. angulatus
Sinclair 1903
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1 specimen | |||||||||
= Mesogaulus paniensis
Matthew 1902
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Korth 1992 | |||||||||
Mammalia
- Lagomorpha
- Leporidae
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Megalagus cf. dawsoni
Black 1961
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1 specimen | |||||||||
? Desmatolagus schizopetrus
Dawson 1965
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6 specimens | |||||||||
Mammalia
- Lagomorpha
- Ochotonidae
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Oreolagus cf. nebrascensis
McGrew 1941
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42 specimens | |||||||||
(4 measurements) | ||||||||||
Mammalia
- Erinaceidae
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Hibbarderix sp.
Martin and Green 1984
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7 specimens | |||||||||
Mammalia
- Talpidae
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? Scalopoides sp.
Wilson 1960
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1 specimen | |||||||||
? Mystipterus sp.
Hall 1930
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5 specimens | |||||||||
Mammalia
- Proscalopidae
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Mesoscalops sp.
Reed 1960
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3 specimens | |||||||||
Mammalia
- Carnivora
- Mustelidae
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Mustelidae indet.
Fischer 1817
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2 specimens | |||||||||
Mammalia
- Carnivora
- Canidae
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Canidae indet.
Fischer de Waldheim 1817
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6 specimens | |||||||||
Mammalia
- Merycoidodontidae
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Merycoidodontidae indet.
Cook 1912
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1 specimen | |||||||||
small | ||||||||||
? Merychyus sp.
Leidy 1858
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2 specimens | |||||||||
Mammalia
- Moschidae
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Blastomeryx sp.
Cope 1877
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29 specimens | |||||||||
compared to B. elegans and B. gemmifer | ||||||||||
Parablastomeryx sp.
Frick 1937
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11 specimens | |||||||||
Mammalia
- Palaeomerycidae
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? Bouromeryx sp.
Skinner et al. 1977
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4 specimens | |||||||||
Bouromeryx americanus
(Douglass 1899)
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Prothero and Liter 2008 | |||||||||
? Sinclairomeryx sp.
Frick 1937
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5 specimens | |||||||||
Mammalia
- Protoceratidae
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Protoceratidae indet.
Marsh 1891
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1 specimen | |||||||||
Mammalia
- Entelodontidae
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Entelodontidae indet.
Lydekker 1883
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1 specimen | |||||||||
Mammalia
- Camelidae
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Michenia sp.
Frick and Taylor 1971
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2 specimens | |||||||||
? Miolabis sp.
Hay 1899
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1 specimen | |||||||||
Mammalia
- Perissodactyla
- Equidae
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Parahippus sp.
(Leidy 1858)
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6 specimens | |||||||||
= Equidae indet.
Gray 1821
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Alroy 2002 | |||||||||
Hypohippus cf. equinus
(Scott 1893)
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7 specimens | |||||||||
see common names |
Geography
Country: | Canada | State/province: | Saskatchewan |
Coordinates: | 49.6° North, 109.0° West (view map) | ||
Paleocoordinates: | 50.4° North, 105.0° West | ||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Neogene | Epoch: | Miocene |
Stage: | Burdigalian | 10 m.y. bin: | Cenozoic 5 |
*Period: | Tertiary | ||
Key time interval: | Hemingfordian | ||
Age range of interval: | 18.50000 - 16.30000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Cypress Hills |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection size: | 307 specimens |
Taxonomic list comments:NISP 307 (valid genus or species level i.d.s only) "? Paradjidaumo sp.", NISP 4, is possibly reworked from underlying Chadronian deposits that yield P. hansonorum "Heliscomys cf. tenuiceps" (NISP 5): compared to the florentiamyids Ecclesimus tenuiceps and Kirkomys schlaikjeri, but Korth et al. 1990 specifically state that no florentiamyids are present |
Metadata
Database number: | 18003 | ||
Authorizer: | J. Alroy, J. Marcot | Enterer: | J. Alroy, J. Marcot |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2009-07-15 19:38:05 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
3180. | T. Skwara. 1988. Mammals of the Topham Local Fauna: Early Miocene (Hemingfordian), Cypress Hills Formation, Saskatechewan. Natural History Contributions 9:1-169 [J. Alroy/J. Alroy/J. Marcot] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
2115 | W. W. Korth. 1992. Fossil small mammals from the Harrison Formation (late Arikareean: earliest Miocene), Cherry County, Nebraska. Annals of Carnegie Museum 61(2):69-132 [J. Alroy/J. Alroy/M. Uhen] | |
2152 | 5% 20540 | W. W. Korth, B. E. Bailey, and R. M. Hunt, Jr. 1990. Geomyoid rodents from the early Hemingfordian (Miocene) of Nebraska. Annals of Carnegie Museum 59(1):25-47 [J. Alroy/J. Alroy/M. Carrano] |
2153 | W. W. Korth, J. H. Wahlert, and R. J. Emry. 1991. A New Species of Heliscomys and Recognition of the Family Heliscomyidae (Geomyoidea: Rodentia). Journal of Vertebrate Paleontology 11(2):247-256 [J. Alroy/J. Alroy/J. Marcot] | |
51379 | D. R. Prothero and M. R. Liter. 2008. Systematics of the dromomerycines and aletomerycines (Artiodactyla: Palaeomerycidae) from the Miocene and Pliocene of North America. In S. G. Lucas, G. S. Morgan, J. A. Spielmann, D. R. Prothero (eds.), Neogene Mammals 44:273-298 [J. Marcot/J. Marcot] | |
3503 | M. R. Voorhies. 1990. Vertebrate paleontology of the proposed Norden Reservoir Area, Brown, Cherry and Keya Paha counties, Nebraska. Technical Report, Division of Archeological Research, Department of Anthropology, University of Nebraska 82-09 [J. Alroy/J. Alroy/J. Alroy] |