Also known as Cochrane 11; Cochrane II
Where: Alberta, Canada (51.2° N, 114.4° W: paleocoordinates 57.7° N, 92.1° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Paskapoo Formation, Ti1 (61.7 - 56.8 Ma)
• reassigned from the Porcupine Hills Formation to the Paskapoo Formation by Fox (2011)
•fossils are from "within an interval ranging from a few centimeters to a meter or so in thickness" (Fox 2011)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; pebbly, shelly/skeletal, green siltstone
Size classes: macrofossils, mesofossils
Collected by G. P. Youzwyshyn in 1988
Collection methods: bulk, chemical, sieve
• see Scott et al. 2002
•fossils were presumably collected over numerous field seasons
Primary reference: R. C. Fox. 1988. Late Cretaceous and Paleocene mammal localities of southern Alberta. Occasional Paper of the Tyrrell Museum of Palaeontology 6:1-38 [J. Alroy/J. Alroy/P. Mannion]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 14939: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by K. Christopher Beard, Patricia Holroyd and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Osteichthyes | |
Chronoperates paradoxus n. gen. n. sp.4
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Mammalia | |
Myrmecoboides montanensis, Prodiacodon concordiarcensis, Prodiacodon cf. puercensis, Prodiacodon furor
Myrmecoboides montanensis Gidley 1915 eutherian
Prodiacodon concordiarcensis Simpson 1935 eutherian
Prodiacodon cf. puercensis Matthew 1918 eutherian
Prodiacodon furor Novacek 1977 eutherian | |
Palaeoryctidae indet., Palaeoryctes cf. punctatus, Didelphodontinae indet., Pararyctes pattersoni, Pararyctes rutherfordi n. sp.9
Palaeoryctes cf. punctatus Van Valen 1966 eutherian
Didelphodontinae indet. Simpson 1927 eutherian
Pararyctes pattersoni Van Valen 1966 eutherian | |
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Jepsenella cf. praepropera Simpson 1940 eutherian | |
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Pantodonta indet. pantodont | |
Bisonalveus browni Gazin 1956 eutherian | |
Paleotomus senior Simpson 1937 eutherian | |
Litocherus sp. Gingerich 1983 elephant shrew
Litocherus cf. lacunatus Gazin 1956 elephant shrew | |
Litomylus dissentaneus Simpson 1935 elephant shrew | |
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Desmatoclaenus sp. Gazin 1941 placental | |
? Periptychidae indet. Cope 1882 condylarth | |
Creodonta indet. Cope 1875 creodont | |
Simpsonictis pegus Gingerich and Winkler 1985 placental
Simpsonictis cf. tenuis Simpson 1935 placental | |
Pristinictis connata n. sp.3
Pristinictis connata n. sp.3 Fox and Youzwyshyn 1994 carnivoran presumably includes new viverravid of Fox
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"? Oxyclaeninae indet." = Oxyclaenidae
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Mesonychidae indet. Cope 1875 condylarth | |
Ectocion collinus Russell 1929 condylarth | |
Thryptacodon orthogonius9, Colpoclaenus cf. keeferi, ? Mimotricentes sp., Chriacus pelvidens, Chriacus cf. baldwini, "Arctocyon cf. montanensis" = Arctocyon corrugatus1, ? Oxyprimus sp.
Colpoclaenus cf. keeferi Patterson and McGrew 1962 condylarth
? Mimotricentes sp. Simpson 1937 condylarth
Chriacus pelvidens Cope 1881 condylarth
Chriacus cf. baldwini Cope 1882 condylarth
? Oxyprimus sp. Van Valen 1978 condylarth | |
Nyctitheriidae indet., cf. Nyctitherium sp., Limaconyssus sp., "Leptacodon" munusculum, Leptacodon cf. tener, Leptacodon cf. packi
Nyctitheriidae indet. Simpson 1928 placental
Limaconyssus sp. Gingerich 1987 placental
"Leptacodon" munusculum Simpson 1935 placental
Leptacodon cf. tener Matthew and Granger 1921 placental
Leptacodon cf. packi Jepsen 1930 placental | |
cf. Mimotonidae indet. Li 1977 placental | |
Eudaemonema cf. cuspidata Simpson 1935 placental | |
Elpidophorus cf. elegans Simpson 1927 colugo | |
cf. Thylacaelurus sp. Russell 1954 placental | |
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Picrodus canpacius n. sp.8
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Plesiadapis praecursor Gingerich 1975 primate not clear if this is really present in light of Fox 1990b
Plesiadapis cf. anceps Simpson 1936 primate
? Pronothodectes sp. Gidley 1923 primate regarded as N. intermedius by Gingerich 1982a, but described by Fox 1990b
Nannodectes intermedius Gazin 1971 primate | |
Carpodaptes cf. hazelae Simpson 1936 primate
Elphidotarsius russelli n. sp. Krause 1978 primate | |
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Peradectes sp. Matthew and Granger 1921 marsupial | |
Anconodon sp. Jepsen 1940 multituberculate
Anconodon cochranensis Russell 1929 multituberculate
Anconodon gidleyi Simpson 1935 multituberculate | |
Neoplagiaulacidae indet., Mesodma pygmaea, Neoplagiaulax cf. hunteri, Neoplagiaulax donaldorum10, Neoplagiaulax nelsoni, Parectypodus sp., Parectypodus sinclairi, Parectypodus cf. sylviae, Mimetodon silberlingi, Ectypodus sp., Ectypodus cf. szalayi
Neoplagiaulacidae indet. Ameghino 1890 multituberculate
Mesodma pygmaea Sloan 1987 multituberculate
Neoplagiaulax cf. hunteri Simpson 1936 multituberculate
Neoplagiaulax nelsoni Sloan 1987 multituberculate
Parectypodus sinclairi Simpson 1935 multituberculate
Parectypodus cf. sylviae Rigby 1980 multituberculate
Mimetodon silberlingi Simpson 1935 multituberculate
Ectypodus sp. Matthew and Granger 1921 multituberculate
Ectypodus cf. szalayi Sloan 1981 multituberculate | |
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Pentacosmodon sp. Jepsen 1940 multituberculate | |
Eucosmodontinae indet. Jepsen 1940 multituberculate | |
Amphibia | |
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