Mammal Quarry No. 9 (Cretaceous of the United States)

Also known as Lance Quarry 9, Lull's Locality 9, Hatcher No. 9

Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.7° N, 79.5° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Lance Formation, Lancian (70.6 - 66.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: mesofossils

Collected by J. B. Hatcher in 1889; reposited in the YPM

Collection methods: bulk, quarrying,

Primary reference: R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 14591: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

• this level may be much lower in the fm. than the others: Clemens 1966
Mammalia
  -
Mammalia indet. Linnaeus 1758 mammal
"genus novum"
 Theriamorpha - Gypsonictopidae
Gypsonictops hypoconus3 Simpson 1927 eutherian
 Cimolesta - Cimolestidae
Cimolestes incisus Marsh 1889 eutherian
 Theriamorpha - Stagodontidae
Didelphodon comptus, "Didelphodon ferox" = Didelphodon vorax
Didelphodon comptus Marsh 1889 metatherian
"Didelphodon ferox" = Didelphodon vorax Marsh 1889 metatherian
 Polydolopimorphia -
Hatcheritherium alpha n. gen. n. sp.1
Hatcheritherium alpha n. gen. n. sp.1 Case et al. 2004 metatherian
 Multituberculata - Cimolodontidae
Cimolodon nitidus2 Marsh 1889 multituberculate
 Multituberculata - Ptilodontidae
Allacodon lentus Marsh 1889 multituberculate
 Multituberculata - Cimolomyidae
"Meniscoessus robustus" = Meniscoessus robustus, "Dipriodon lunatus" = Meniscoessus robustus, "Oracodon anceps" = Meniscoessus robustus, "Halodon sculptus" = Meniscoessus robustus, "Selenacodon fragilis" = Meniscoessus robustus, Cimolomys sp., ? Cimolomys bellus, "? Selenacodon brevis" = Cimolomys gracilis, "? Cimolomys digona" = Cimolomys gracilis
"Meniscoessus robustus" = Meniscoessus robustus Marsh 1889 multituberculate
?
"Dipriodon lunatus" = Meniscoessus robustus Marsh 1889 multituberculate
"Oracodon anceps" = Meniscoessus robustus Marsh 1889 multituberculate
"Halodon sculptus" = Meniscoessus robustus Marsh 1889 multituberculate
"Selenacodon fragilis" = Meniscoessus robustus Marsh 1889 multituberculate
Cimolomys sp. Marsh 1889 multituberculate
? Cimolomys bellus Marsh 1889 multituberculate
"? Selenacodon brevis" = Cimolomys gracilis Marsh 1889 multituberculate
"? Cimolomys digona" = Cimolomys gracilis Marsh 1889 multituberculate