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 | |
Eudaemonema cf. cuspidata Simpson 1935 placental | |
cf. Thylacaelurus sp. Russell 1954 placental | |
Elpidophorus cf. elegans Simpson 1927 colugo | |
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Picrodus canpacius n. sp.8
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Plesiadapis cf. anceps Simpson 1936 primate
Plesiadapis praecursor Gingerich 1975 primate not clear if this is really present in light of Fox 1990b
Nannodectes intermedius Gazin 1971 primate
? Pronothodectes sp. Gidley 1923 primate regarded as N. intermedius by Gingerich 1982a, but described by Fox 1990b
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Carpodaptes cf. hazelae Simpson 1936 primate
Elphidotarsius russelli n. sp. Krause 1978 primate | |
cf. Mimotonidae indet. Li 1977 placental | |
Creodonta indet. Cope 1875 creodont | |
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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Simpsonictis cf. tenuis Simpson 1935 placental
Simpsonictis pegus Gingerich and Winkler 1985 placental | |
? Periptychidae indet. Cope 1882 condylarth | |
Mesonychidae indet. Cope 1875 condylarth | |
"? Oxyclaeninae indet." = Oxyclaenidae
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Ectocion collinus Russell 1929 condylarth | |
"Arctocyon cf. montanensis" = Arctocyon corrugatus1, ? Mimotricentes sp., Chriacus pelvidens, Chriacus cf. baldwini, Thryptacodon orthogonius9, ? Oxyprimus sp., Colpoclaenus cf. keeferi
? Mimotricentes sp. Simpson 1937 condylarth
Chriacus pelvidens Cope 1881 condylarth
Chriacus cf. baldwini Cope 1882 condylarth
? Oxyprimus sp. Van Valen 1978 condylarth
Colpoclaenus cf. keeferi Patterson and McGrew 1962 condylarth | |
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Nyctitheriidae indet., Limaconyssus sp., cf. Nyctitherium sp., Leptacodon cf. packi, Leptacodon cf. tener, "Leptacodon" munusculum
Nyctitheriidae indet. Simpson 1928 placental
Limaconyssus sp. Gingerich 1987 placental
Leptacodon cf. packi Jepsen 1930 placental
Leptacodon cf. tener Matthew and Granger 1921 placental
"Leptacodon" munusculum Simpson 1935 placental | |
"Prodiacodon cf. puercensis" = Diacodon puercensis
"Prodiacodon cf. puercensis" = Diacodon puercensis Matthew 1918 placental | |
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 | |
Jepsenella cf. praepropera Simpson 1940 eutherian | |
Paleotomus senior Simpson 1937 eutherian | |
Bisonalveus browni Gazin 1956 eutherian | |
Pantodonta indet. pantodont | |
Myrmecoboides montanensis Gidley 1915 eutherian
Prodiacodon concordiarcensis Simpson 1935 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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Peradectes sp. Matthew and Granger 1921 marsupial | |
Pentacosmodon sp. Jepsen 1940 multituberculate | |
Eucosmodontinae indet. Jepsen 1940 multituberculate | |
Anconodon sp. Jepsen 1940 multituberculate
Anconodon cochranensis Russell 1929 multituberculate
Anconodon gidleyi Simpson 1935 multituberculate | |
Neoplagiaulacidae indet., Mesodma pygmaea, Parectypodus sp., Parectypodus sinclairi, Parectypodus cf. sylviae, Neoplagiaulax donaldorum10, Neoplagiaulax nelsoni, Neoplagiaulax cf. hunteri, Ectypodus sp., Ectypodus cf. szalayi, Mimetodon silberlingi
Neoplagiaulacidae indet. Ameghino 1890 multituberculate
Mesodma pygmaea Sloan 1987 multituberculate
Parectypodus sinclairi Simpson 1935 multituberculate
Parectypodus cf. sylviae Rigby 1980 multituberculate
Neoplagiaulax nelsoni Sloan 1987 multituberculate
Neoplagiaulax cf. hunteri Simpson 1936 multituberculate
Ectypodus sp. Matthew and Granger 1921 multituberculate
Ectypodus cf. szalayi Sloan 1981 multituberculate
Mimetodon silberlingi Simpson 1935 multituberculate | |
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Amphibia | |
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