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 | |
|
Mesodma ambigua Jepsen 1940 multituberculate | |
Maiorana noctiluca, Mimatuta sp., Protungulatum donnae, Oxyprimus sp., Sigynorum magnadivisus n. gen. n. sp., Sigynorum cf. magnadivisus
Mimatuta sp. Van Valen 1978 condylarth
Protungulatum donnae Sloan and Van Valen 1965 condylarth
Oxyprimus sp. Van Valen 1978 condylarth
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
| |
Conacodon harbourae, Conacodon hettingeri n. sp., Beornus honeyi n. gen. n. sp., Ampliconus antoni, Miniconus jeanninae n. sp.
Miniconus jeanninae n. sp. Atteberry and Eberle 2021 condylarth UCM 103181 - type; hypodigm: UCM 103171 and 103084
| |