Where: Montana (47.7° N, 106.6° W: paleocoordinates 54.4° N, 79.6° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Hell Creek Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)
Environment/lithology: terrestrial; lithology not reported
Size classes: macrofossils, mesofossils
Collected by B. Brown in 1907; reposited in the AMNH
Collection methods: bulk, surface (in situ), sieve,
Primary reference: G. G. Simpson. 1927. Mammalian Fauna of the Hell Creek Formation of Montana. American Museum Novitates 267:1-8 [R. Benson/R. Benson]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 119007: authorized by Roger Benson, entered by Roger Benson on 20.10.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
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"Meniscoessus borealis n. sp." = Meniscoessus robustus, Essonodon browni n. gen. n. sp.
"Meniscoessus borealis n. sp." = Meniscoessus robustus Marsh 1889 multituberculate AMNH 14411 (holotype second left upper molar)
Essonodon browni n. gen. n. sp. Simpson 1927 multituberculate AMNH 14410 (holotype second lower molar)
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Ectoconodon montanensis n. sp., "Stagodon sp." = Didelphodon
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