Worm Coulee 1: Puercan, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Batrachosauroididae
Gardner and DeMar 2013
Amphibia - Temnospondyli - Urodela
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner and DeMar 2013
Gardner and DeMar 2013
Mammalia - Multituberculata - Neoplagiaulacidae
Mammalia - Multituberculata
Mammalia - Multituberculata - Eucosmodontidae
this specimen is close to S. cupressus according to Fox 1989, but is S. kuszmauli sensu stricto according to Lofgren 1995 (1 measurement)
(1 measurement)
Alroy 2002
Mammalia - Multituberculata - Taeniolabididae
Middleton 1982
Mammalia - Multituberculata - Microcosmodontidae
Mammalia
(1 measurement)
Alroy 2002
Williamson et al. 2012
UCMP 117770 - holotype (left M3); referred specimens: UCMP 117744, right M1; 117764, right M2; 117771, left M4; 117776, right m1; 117791, left m2; 117796, right m3; 117801, right m4; 117806, partial left DP3; 117807, left dp3; 132299, associated M1–2; 132300, m1
Mammalia - Procreodi - Arctocyonidae
(1 measurement)
Alroy 2002
"questionably" this species
(1 measurement)
(1 measurement)
Mammalia - Cimolestidae
(1 measurement)
see common names

Geography
Country:United States State/province:Montana County:Garfield
Coordinates: 47.6° North, 107.0° West (view map)
Paleocoordinates:57.5° North, 67.6° West (Wright 2013)
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period: Paleogene Epoch: Paleocene
Stage: Danian 10 m.y. bin: Cenozoic 1
*Period:Tertiary
Key time interval: Puercan Mammal zone:  Pu1
Age range of interval: 66 - 63.8 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Fort Union Member:Tullock
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coarse channel fill
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,surface (float),sieve,field collection
Collection size:517 specimens
Reason for describing collection:biostratigraphic analysis
Museum repositories:UCMP
Metadata
Also known as:UCMP V-74111; V74111; Coulee 1
Database number:14798
Authorizer:J. Alroy, P. Mannion, P. Holroyd Enterer:J. Alroy, P. Holroyd, P. Mannion
Modifier:P. Mannion Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2025-02-22 15:12:02
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC0
Reference information

Primary reference:
960. J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
85522 J. R. Claytor, L. N. Weaver, T. S. Tobin and G. P. Wilson Mantilla. 2023. New mammalian local faunas from the first ca. 80 ka of the Paleocene in northeastern Montana and a revised model of biotic recovery from the Cretaceous–Paleogene mass extinction. Journal of Vertebrate Paleontology e2222777 [P. Mannion/P. Mannion]
65027 J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano]
2584 M. D. Middleton. 1982. A new species and additional material of Catopsalis (Mammalia, Multituberculata) from the Western Interior of North America. Journal of Paleontology 56(5):1197-1206 [J. Alroy/J. Alroy/P. Mannion]
43994 T. E. Williamson, S. L. Brusatte, T. D. Carr, A. Weil, and B. R. Standhardt. 2012. The phylogeny and evolution of Cretaceous–Palaeogene metatherians: cladistic analysis and description of new early Palaeocene specimens from the Nacimiento Formation, New Mexico. Journal of Systematic Palaeontology 10(4):625-651 [P. Mannion/P. Mannion]