PBDB Collection

Lac Pelletier Lower Fauna: Duchesnean, Canada

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Mammalia - Multituberculata - Neoplagiaulacidae

	Ectypodus lovei (Sloan 1966)
	from 72J04-0006: Storer 1993; additional ? Neoplagiaulacidae indet. also present at this site
Mammalia - Leptictidae

	Leptictis sp. Leidy 1868
	= Leptictidae indet. Gill 1872	Alroy 2002
	two forms?

	Palaeictops borealis (Russell 1965)

	Didelphodus sp. Cope 1882
	(1 measurement)
	= Didelphodus rheos n. sp. Storer 1995	Storer 1995
Mammalia - Apatemyidae

	Apatemys sp. Marsh 1872	Storer 1995

	Apatemys hendryi Robinson 1966

	? Sinclairella sp. Jepsen 1934
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 - Carnivora

	Carnivora indet. Bowdich 1821
	very small
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 - Carnivora - Miacidae

	Prodaphaenus sp. Wortman and Matthew 1899
	(1 measurement)
	= Miocyon magnus n. sp. Bryant 1992	Bryant 1992
Mammalia - Perissodactyla - Equidae

	? Equidae indet. Gray 1821
Mammalia - Perissodactyla - Brontotheriidae

	Brontotheriidae indet. (Marsh 1873)
Mammalia - Perissodactyla - Rhinocerotidae

	Rhinocerotidae indet. Gray 1821
Mammalia - Perissodactyla - Hyracodontidae

	Hyracodon sp. Leidy 1856
Mammalia - Perissodactyla - Tapiridae

	Colodon sp. Marsh 1890
Mammalia - 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 - Leptochoeridae

	Leptochoeridae indet. Marsh 1894
Mammalia - Protoceratidae

	Pseudoprotoceras sp. Cook 1934

	Leptotragulus sp. Scott and Osborn 1887
	said to be "Trigenicus" by Storer 1996
Mammalia - Agriochoeridae

	Protoreodon sp. Scott and Osborn 1887

	Diplobunops sp. Peterson 1919
	= Agriochoerus sp. Leidy 1850	Alroy 2002
Mammalia - Oromerycidae

	Oromerycidae indet. Gazin 1955
	"cf. Swift Current form (Storer 1984)"
Mammalia - Geolabididae

	Centetodon aztecus Lillegraven et al. 1981

	Centetodon magnus (Clark 1936)
	(4 measurements)
Mammalia - Soricidae

	Soricidae indet. Fischer 1814
	compared to "sp. A" of Storer 1984

	Domnina sp. Cope 1873
	(1 measurement)
	= Domnina cf. gradata Cope 1873	Storer 1995
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 - Apternodontidae

	Apternodus sp. Matthew 1903
Mammalia - Oligoryctidae

	Oligoryctes sp. Hough 1956
Mammalia - Sespedectidae

	Sespedectes sp. Stock 1935	Storer 1995
Mammalia

	Talpavus conjunctus n. sp. Storer 1995	Storer 1995
	(5 measurements)
Mammalia - Pantolestidae

	Pantolestidae indet. Cope 1884	Storer 1995
	said to be new
Mammalia - Lagomorpha - Leporidae

	Lagomorpha indet. Brandt 1885
	(6 measurements)
	= Tachylagus gawneae Storer 1992	Storer 1992
Mammalia - Rodentia - Cricetidae

	Eumys sp. Leidy 1856
Mammalia - Rodentia - Cylindrodontidae

	Pseudocylindrodon sp. Burke 1935
	(6 measurements)
	= Pseudocylindrodon lateriviae Storer 1988	Storer 1988
Mammalia - Rodentia - Pipestoneomyidae

	Yoderimys sp. Wood 1955
	= Pipestoneomys sp. Donohoe 1956	Korth 1994
	believed to be an undetermined eomyid by Emry and Korth 1993

	Argorheomys septentrionalis n. gen., n. sp. Korth and Emry 2013	Korth and Emry 2013	3 specimens
Mammalia - Rodentia - Aplodontidae

	Prosciurinae indet. Wilson 1949
	two forms
Mammalia - Rodentia - Eutypomyidae

	Janimus sp. Dawson 1966
	(6 measurements)
	= Janimus dawsonae Storer 1988	Storer 1988

	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
Mammalia - Rodentia - Heliscomyidae

	Heliscomys sp. Cope 1873
Mammalia - Rodentia - Eomyidae

	Namatomys lacus Storer 1987
	(6 measurements)
	= Metanoiamys lacus Storer 1987	Alroy 2002

	Adjidaumo craigi Storer 1987
	(6 measurements)

	Protadjidaumo pauli Storer 1987
	(6 measurements)
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

	Ischyromys sp. Leidy 1856
	said to be new by Storer 1996

	Microparamys sp. Wood 1959
	(6 measurements)
	= Microparamys nimius Storer 1988	Storer 1988

	Leptotomus sp. Matthew 1910
	close to Paramys compressidens

	Leptotomus cf. guildayi Black 1971

	Pseudotomus sp. Cope 1872
	= Pseudotomus timmys Storer 1988	Storer 1988
Mammalia - Primates - Plesiadapidae

	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
	= Trogolemur leonardi	Perry et al. 2023
Mammalia - Primates - Omomyidae

	Chumashius sp. Stock 1933
	= Omomys sp. Leidy 1869	Storer 1990
	from 72J04-0006
	= Saskomomys lindsayorum Perry et al. 2023	Perry et al. 2023

	Macrotarsius sp. Clark 1941
	(1 measurement)
	= Macrotarsius cf. montanus Clark 1941	Storer 1990
	from 72J04-0006
Mammalia - Primates - Microsyopidae

	Uintasorex sp. Matthew 1909	Storer 1995
Mammalia - Plagiomenidae

	Thylacaelurus campester Storer 1984
	(1 measurement)
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
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
10 m.y. bin:	Cenozoic 3
*Period:	Tertiary
Key time interval:	Duchesnean
Age range of interval:	39.70000 - 37.00000 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, P. Holroyd	Enterer:	J. Alroy, M. Uhen, P. Holroyd
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. Kouvari]
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 1-320 [J. Alroy/J. Alroy/M. Uhen]
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]
85653		J. M. G. Perry, A. R. Dutchak, and J. M. Theodor. 2023. New primates from the Eocene of Saskatchewan, Canada: Revision of the primates from the Cypress Hills Formation with description of new taxa. Palaeontologia Electronica 26(2):1-19 [P. Holroyd/P. Holroyd]
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]