Also known as UCMP V-71202
Where: McCone County, Montana (47.8° N, 106.1° W: paleocoordinates 54.0° N, 80.8° W)
• coordinate based on political unit
• small collection-level geographic resolution
When: Pu3 mammal zone, Collins Ranch Member (Tullock Formation), Puercan (66.0 - 63.3 Ma)
• just above the undated Y-Coal in chron 29n: Swisher et al. 1993; Y-Coal per se was not dated, and dated W-Coal is not identifiable in McCone County
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Reposited in the UCMP
Primary reference: L. M. Van Valen and R. E. Sloan. 1965. The earliest primates. Science 150(3697):743-745 [J. Alroy/J. Alroy/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14766: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Patricia Holroyd and Deborah Weinstein
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Amphibia | |
Lisserpeton bairdi Estes 1965 salamander
Scapherpeton tectum Cope 1876 salamander | |
Opisthotriton kayi Auffenberg 1961 salamander
Prodesmodon copei Estes 1964 salamander | |
Reptilia | |
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Brachychampsa sp. Gilmore 1911 crocodilian | |
Champsosaurus sp. Cope 1876 choristodere | |
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Compsemys victa Leidy 1856 turtle | |
Baenidae indet. Cope 1882 turtle | |
Mammalia | |
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Mesodma cf. ambigua Jepsen 1940 multituberculate
Mesodma formosa Marsh 1889 multituberculate | |
Cimexomys minor Sloan and Van Valen 1965 multituberculate | |
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"Ungulata indet." = Euungulata7
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Oxyclaenus pugnax Simpson 1935 condylarth present in original list; includes "Thangorodrim thalion" of Van Valen 1978; may include "O. sp." said to be new
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Anisonchus oligistus Gazin 1941 condylarth | |
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Purgatorius unio n. sp.
Purgatorius unio n. sp. Van Valen and Sloan 1965 primate | |
Pandemonium dis n. gen. n. sp.11
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Peradectes minor n. sp.4
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Osteichthyes | |
Acipenser sp. Linnaeus 1758 sturgeon | |
Actinopteri | |
Phyllodus paulkatoi6 Estes and Hiatt 1978 | |
Perciformes indet. Bleeker 1859 perch-like fish | |
"Kindleia fragosa" = Cyclurus fragosus
"Kindleia fragosa" = Cyclurus fragosus Jordan 1927 bowfin | |
Lepisosteus occidentalis Leidy 1856 gar | |
Chondrichthyes | |
Dasyatidae indet. Jordan 1888 whiptail stingray | |
Isuridae indet. Gray 1851 mackerel shark | |
cf. Ischyrhiza avonicola Estes 1964 ray | |
Bivalvia | |
"? Pycnodonta indet." = Pycnodonte
"? Pycnodonta indet." = Pycnodonte Fischer von Waldheim 1835 oyster |