Van Tassel (Upper) ( of the United States)
Where: Niobrara County, Wyoming (43.0° N, 104.5° W)
• Paleocoordinates: 47.7° N, 94.0° W (Wright 2013)
• coordinate based on political unit
When: Harrisonian (24.8 - 18.5 Ma)
Environment/lithology: terrestrial
Primary reference: F. B. Loomis. 1932. The small carnivores of the Miocene. American Journal of Science 24(142):316-329 [J. Alroy/J. Alroy/J. Marcot]more details
PaleoDB collection 17854: authorized by John Alroy, entered by John Alroy on 26.03.1995, edited by Jonathan Marcot
Creative Commons license: CC0 (CC0)
Taxonomic list
Show authors, comments, and common names
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Lucashyus coombsae n. gen. n. sp.3
Lucashyus coombsae n. gen. n. sp.3 Prothero 2015 peccary ACM 7035, "According to Loomis’ records, it comes from the “Harrison Formation [early late Arikareean] near Van Tassel, Wyoming.”"
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"Phenacocoelus stouti" = Merycoides stouti4
"Phenacocoelus stouti" = Merycoides stouti4 Schultz and Falkenbach 1950 oreodont Niobrara Co. "near Van Tassel" implicitly of "lower Marsland" age
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"Paroligobunis petersoni n. sp." = Floridictis petersoni
"Paroligobunis petersoni n. sp." = Floridictis petersoni Loomis 1932 mustelid carnivore "three miles southeast of Van Tassel, Wyoming, in beds of Upper Harrison age"; this is close to Niobrara Canyon
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Delotrochanter major n. sp.1
Delotrochanter major n. sp.1 Hunt 2011 bear-dog "from the vicinity of Van Tassell, Niobrara County, Wyoming."
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"Pachycynodon harlowi n. sp." = Cynarctoides harlowi Loomis 1932 bone-crushing dog 3 mi SE of Van Tassel "in the Upper Harrison beds"
Phlaocyon annectens5 Peterson 1907 bone-crushing dog "Upper Harrison beds... 3 mi east and 2 mi south of Van Tassel"
Phlaocyon minor5 Matthew 1907 bone-crushing dog "Upper Harrison beds... 1.5 mi southwest of Van Tassel, low"
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