Lac Pelletier Lower Fauna: Duchesnean, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Primates - Microsyopidae
Uintasorex sp. Matthew 1909
Storer 1995
Mammalia - Primates - Omomyidae
Trogolemur sp. Matthew 1909
includes "Phenacolemur leonardi" of Storer 1990 and "P. sp." of Storer 1987 according to Beard et al. 1992, who apparently believe "P. leonardi" is a junior synonym; from 72J04-0006 and 72G13-0006
Chumashius sp. Stock 1933
    = Omomys sp. Leidy 1869
Storer 1990
from 72J04-0006
Macrotarsius sp. Clark 1941
(1 measurement)
    = Macrotarsius cf. montanus Clark 1941
Storer 1990
from 72J04-0006
Mammalia - Pantolestidae
Pantolestidae indet. Cope 1884
Storer 1995
said to be new
Mammalia - Leptictidae
Leptictis sp. Leidy 1868
    = Leptictidae indet. Gill 1872
Alroy 2002
two forms?
Palaeictops borealis (Russell 1965)
Mammalia - Plagiomenidae
Thylacaelurus campester Storer 1984
(1 measurement)
Mammalia - Rodentia - Cricetidae
Eumys sp. Leidy 1856
Mammalia - Rodentia - Pipestoneomyidae
Argorheomys septentrionalis n. gen., n. sp. Korth and Emry 2013
Korth and Emry 2013 3 specimens
Yoderimys sp. Wood 1955
    = Pipestoneomys sp. Donohoe 1956
Korth 1994
believed to be an undetermined eomyid by Emry and Korth 1993
Mammalia - Rodentia - Aplodontidae
Prosciurinae indet. Wilson 1949
two forms
Mammalia - Rodentia - Eomyidae
Adjidaumo craigi Storer 1987
(6 measurements)
Protadjidaumo pauli Storer 1987
(6 measurements)
Namatomys lacus Storer 1987
(6 measurements)
    = Metanoiamys lacus Storer 1987
Alroy 2002
Mammalia - Rodentia - Heliscomyidae
Heliscomys sp. Cope 1873
Mammalia - Rodentia - Eutypomyidae
Eutypomys acares Storer 1988
Storer 1988
(6 measurements)
Eutypomys obliquidens Storer 1988
Storer 1988
(1 measurement)
Eutypomys tilliei Storer 1988
(6 measurements)
    = Microeutypomys tilliei Storer 1988
Storer 1988
Janimus sp. Dawson 1966
(6 measurements)
    = Janimus dawsonae Storer 1988
Storer 1988
Mammalia - Rodentia - Ischyromyidae
Ischyromyidae indet. Alston 1876
two forms
Microparamyinae indet. Wood 1962
(6 measurements)
    = Anonymus baroni Storer 1988
Storer 1988
recombined as Churcheria baroni
Pseudotomus sp. Cope 1872
    = Pseudotomus timmys Storer 1988
Storer 1988
Microparamys sp. Wood 1959
(6 measurements)
    = Microparamys nimius Storer 1988
Storer 1988
Ischyromys sp. Leidy 1856
said to be new by Storer 1996
Leptotomus sp. Matthew 1910
close to Paramys compressidens
Leptotomus cf. guildayi Black 1971
Mammalia - Rodentia - Cylindrodontidae
Pseudocylindrodon sp. Burke 1935
(6 measurements)
    = Pseudocylindrodon lateriviae Storer 1988
Storer 1988
Mammalia - Lagomorpha - Leporidae
Lagomorpha indet. Brandt 1885
(6 measurements)
    = Tachylagus gawneae Storer 1992
Storer 1992
Mammalia - Lipotyphla - Geolabididae
Centetodon magnus (Clark 1936)
(4 measurements)
Centetodon aztecus Lillegraven et al. 1981
Mammalia - Perissodactyla - Brontotheriidae
Brontotheriidae indet. (Marsh 1873)
Mammalia - Perissodactyla - Hyracodontidae
Hyracodon sp. Leidy 1856
Mammalia - Perissodactyla - Rhinocerotidae
Rhinocerotidae indet. Gray 1821
Mammalia - Perissodactyla - Tapiridae
Colodon sp. Marsh 1890
Mammalia - Perissodactyla - Equidae
? Equidae indet. Gray 1821
Mammalia - Nyctitheriidae
Nyctitherium cf. christopheri Krishtalka and Setoguchi 1977
    = Nyctitherium sp. Marsh 1872
Storer 1995
replaces ID of Storer 1996; description indicates that it is definitely not that species but closely related
Mammalia - Soricidae
Soricidae indet. Fischer 1814
compared to "sp. A" of Storer 1984
Mammalia - Heterosoricidae
Domnina sp. Cope 1873
(1 measurement)
    = Domnina cf. gradata Cope 1873
Storer 1995
Mammalia - Apternodontidae
Oligoryctes sp. Hough 1956
Apternodus sp. Matthew 1903
Mammalia
Talpavus conjunctus n. sp. Storer 1995
Storer 1995
(5 measurements)
Mammalia - Carnivora
Carnivora indet. Bowditch 1821
very small
Mammalia - Carnivora - Miacidae
Prodaphaenus sp. Wortman and Matthew 1899
(1 measurement)
    = Miocyon magnus n. sp. Bryant 1992
Bryant 1992
Mammalia - Carnivora - Amphicyonidae
Daphoenus cf. demilo Dawson 1980
    = Daphoenus cf. lambei Russell 1934
Bryant 1992
Mammalia - Carnivora - Canidae
Hesperocyon sp. Scott 1890
    = Hesperocyon cf. gregarius Cope 1873
Wang 1994
replaces ID of Bryant 1992; "cf. H.
Mammalia - Macroscelidea - Amphilemuridae
Sespedectes sp. Stock 1935
Storer 1995
Mammalia - Chiroptera
Vespertilionoidea indet.
a bat
Mammalia - Chiroptera - Molossidae
Wallia sp. Storer 1984
    = Wallia scalopidens Storer 1984
Storer 1995
this is a proscalopid, not a bat
Mammalia - Ungulata - Leptochoeridae
Leptochoeridae indet. Marsh 1894
Mammalia - Ungulata - Oromerycidae
Oromerycidae indet. Gazin 1955
"cf. Swift Current form (Storer 1984)"
Mammalia - Ungulata - Agriochoeridae
Protoreodon sp. Scott and Osborn 1887
Diplobunops sp. Peterson 1919
    = Agriochoerus sp. Leidy 1850
Alroy 2002
Mammalia - Ungulata - Anthracotheriidae
Heptacodon pellionis Storer 1983
from Upper Fauna according to Storer 1993, but it is listed again both in the text and table by Storer 1996, presumably based on new material
Mammalia - Ungulata - Protoceratidae
Leptotragulus sp. Scott and Osborn 1887
said to be "Trigenicus" by Storer 1996
Pseudoprotoceras sp. Cook 1934
Mammalia - Insectivora - Apatemyidae
Apatemys sp. Marsh 1872
Storer 1995
Apatemys hendryi Robinson 1966
? Sinclairella sp. Jepsen 1934
Mammalia - Hyaenodonta
Didelphodus sp. Cope 1882
(1 measurement)
    = Didelphodus rheos n. sp. Storer 1995
Storer 1995
Mammalia
Peradectes californicus (Stock 1936)
(1 measurement)
Peratherium innominatum Simpson 1928
(4 measurements)
    = Copedelphys cf. innominata Simpson 1928
Rothecker and Storer 1996
recombined as Herpetotherium innominatum
Peratherium knighti McGrew et al. 1959
(4 measurements)
    = Herpetotherium cf. knighti McGrew et al. 1959
Rothecker and Storer 1996
Peratherium marsupium (Troxell 1923)
(4 measurements)
    = Herpetotherium cf. marsupium Troxell 1923
Rothecker and Storer 1996
recombined as Peratherium marsupium
Mammalia - Multituberculata - Neoplagiaulacidae
Ectypodus lovei (Sloan 1966)
from 72J04-0006: Storer 1993; additional ? Neoplagiaulacidae indet. also present at this site
see common names

Geography
Country:Canada State/province:Saskatchewan
Coordinates: 50.0° North, 107.9° West (view map)
Paleocoordinates:51.9° North, 97.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Eocene
Stage:Bartonian 10 m.y. bin:Cenozoic 3
*Period:Tertiary
Key time interval:Duchesnean
Age range of interval:40.40000 - 37.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Cypress Hills
Local section:LacPl Local bed:1
Local order:bottom to top
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection size:2000 specimens
Taxonomic list comments:small mammals other than rodents and lagomorphs described by Storer 1995b
most specimens from 72J04-0006
"Peradectes cf. minutus" is omitted by Storer 1996 and may be included in any of the four marsupials in this fauna

"? Ankylodon sp." is omitted by Storer 1995b, 1996 and may be either Talpavus or Sespedectes

"cf. Campylocynodon sp."; not mentioned by Bryant 1992 or Storer 1996, and a junior synonym of Parictis

"cf. Mustelavus sp." is omitted by Storer 1996
Metadata
Also known as:SMNH Locs. 72G13-001, -003, -005, -006, -009, 72J04-001, 004, -006
Database number:16845
Authorizer:J. Alroy, M. Uhen Enterer:J. Alroy, M. Uhen
Modifier:J. Alroy Research group:vertebrate
Created:1997-04-12 00:00:00 Last modified:2009-07-15 19:44:09
Access level:the public Released:1997-04-12 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3306. J. E. Storer. 1987. Dental evolution and radiation of Eocene and early Oligocene Eomyidae (Mammalia, Rodentia) of North America, with new material from the Duchesnean of Saskatchewan. Dakoterra 3:108-117 [J. Alroy/J. Alroy/M. Uhen]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Uhen]
1141 H. N. Bryant. 1992. The Carnivora of the Lac Pelletier Lower Fauna (Eocene Duchesnean), Cypress Hills Formation, Saskatchewan. Journal of Paleontology 66(5):847-855 [J. Alroy/J. Alroy/J. Marcot]
2123 W. W. Korth. 1994. The Tertiary Record of Rodents in North America [J. Alroy/J. Alroy]
49208 W. W. Korth and R. J. Emry. 2013. Pipestoneomyidae, a new family of fossil rodents (Mammalia) from the Duchesnean (Late Middle Eocene, Bartonian) to Orellan (Early Oligocene, Priabonian) of North America. Journal of Paleontology 87(2):289-296 [M. Uhen/S. Alam/M. Uhen]
2984 J. Rothecker and J. E. Storer. 1996. The Marsupials of the Lac Pelletier Lower Fauna, Middle Eocene (Duchesnean) of Saskatchewan. Journal of Vertebrate Paleontology 16(4):770-774 [J. Alroy/J. Alroy/J. Ju]
3307 J. E. Storer. 1988. The Rodents of the Lac Pelletier Lower Fauna, Late Eocene (Duchesnean) of Saskatchewan. Journal of Vertebrate Paleontology 8(1):84-101 [J. Alroy/J. Alroy/J. Ju]
3309 J. E. Storer. 1990. Primates of the Lac Pelletier Lower Fauna (Eocene: Duchesnean), Saskatchewan. Canadian Journal of Earth Sciences 27 [J. Alroy/J. Alroy/J. Ju]
3311 J. E. Storer. 1992. Tachylagus, a New Lagomorph from the Lac Pelletier Lower Fauna (Eocene: Duchesnean) of Saskatchewan. Journal of Vertebrate Paleontology 12(2):230-235 [J. Alroy/J. Alroy/J. Ju]
3317 J. E. Storer. 1995. Small mammals of the Lac Pelletier Lower Fauna, Duchesnean, of Sasketchewan, Canada: Insectivores and Insectivore-like groups, a plagiomenid, a microsyopid and Chiroptera. In L. B. Halstead,‎ W. A. S. Sarjeant (eds.), Vertebrate Fossils and the Evolution of Scientific Concepts 595-615 [J. Alroy/J. Alroy/M. Uhen]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]