Where: Carbon County, Wyoming (41.7° N, 107.8° W: paleocoordinates 48.4° N, 85.1° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: China Butte Member (Fort Union Formation), Puercan (66.0 - 63.3 Ma)
• Pu1
•
•Great Divide Basin
•
•Approximately 46 m above the contact between the Lance and Fort Union formations
• bed-level stratigraphic resolution
Environment/lithology: "channel"; medium-grained, coarse, gray, white sandstone
Size classes: macrofossils, mesofossils
Collected by James & Jeannine Honey, Malcolm McKenna in 2001-2011; reposited in the UCM
Collection methods: quarrying
Primary reference: K. M. McComas and J. J. Eberle. 2016. A new earliest Paleocene (Puercan) arctocyonid mammal from the Fort Union Formation, Great Divide Basin, Wyoming, and its phylogenetic position among early condylarths. Journal of Systematic Palaeontology 14(6):445-459 [P. Mannion/P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 174233: authorized by Philip Mannion, entered by Philip Mannion on 06.11.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
Maiorana noctiluca, Sigynorum magnadivisus n. gen. n. sp., Sigynorum cf. magnadivisus, Protungulatum donnae, Mimatuta sp., Oxyprimus sp.
Sigynorum magnadivisus n. gen. n. sp. McComas and Eberle 2016 condylarth UCM 103133 - holotype (right mandible with p4m3, alveoli p1p3); Hypodigm. UCM 103086, right mandible with m23, m1 partial, alveoli p14; UCM 103088, right mandible with m2, alveoli c1m1, m3; UCM 103089, right mandible with m13, alveoli c1p4; UCM 103092, left mandible with p4m1, m2 partial, alveoli c1p3; UCM 103128, left mandible with m23, alveolus m1; UCM 103137, right mandible with p4m3; UCM 103139, left mandible with m13, broken p4, alveoli c1p3; UCM 103142, right mandible with p4m2; UCM 103154, left mandible with p4m3, alveoli p13; UCM 103159, right mandible with p2, p4m2, alveoli c1p1, p3, m3; UCM 103175, left mandible with worn p4m2, alveoli c1p3, m3 roots; UCM 103292, isolated left p4; UCM 103330, isolated right m2; UCM 103339, isolated left m3; UCM 108714, left mandible with m2m3, m1 partial; UCM 108715, left mandible with m3, m2 sheared; and UCM 108734, isolated left m3
Sigynorum cf. magnadivisus McComas and Eberle 2016 condylarth UCM 103140, right mandible with p4-m3, alveoli c1p3; and UCM 103168, right mandible with partial m1m3
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Mimatuta sp. Van Valen 1978 condylarth
Oxyprimus sp. Van Valen 1978 condylarth | |
Miniconus jeanninae n. sp., Beornus honeyi n. gen. n. sp., Ampliconus antoni, Conacodon hettingeri n. sp., Conacodon harbourae
Miniconus jeanninae n. sp. Atteberry and Eberle 2021 condylarth UCM 103181 - type; hypodigm: UCM 103171 and 103084
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Mesodma ambigua Jepsen 1940 multituberculate | |