Split Lip Flats: Pu3, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Multituberculata
Ptilodontoidea indet. Sloan and Van Valen 1965
said to be new
Mammalia - Multituberculata - Neoplagiaulacidae
Mesodma sp. Jepsen 1940
Mammalia - Cimolestidae
Cimolestidae indet. Marsh 1889
said to be new (2 measurements)
    = Betonnia tsosia Williamson et al. 2011
Williamson et al. 2011
L-4723
Cimolestes simpsoni (Reynolds 1936)
original and current combination Puercolestes simpsoni
(4 measurements)
? Cimolestidae indet. Marsh 1889
"Genus B" of Van Valen
    = Puercolestes simpsoni Reynolds 1936
Williamson et al. 2011
Mammalia - Condylarthra - Hyopsodontidae
Chacomylus sladei n. gen., n. sp. Williamson and Weil 2011
Williamson and Weil 2011
(7 measurements)
Valenia sp. de Muizon and Cifelli 2000
Tiznatzinia sp. Simpson 1936
Mammalia
Thylacodon pusillus Matthew and Granger 1921
Williamson et al. 2012
NMMNH P-34808, right abraded m1; 38459, partial left M3, missing lingual portion of tooth, buccal to paracone and metacone and tooth distal to apex of metacone; 41142, right m1; 41199, right M3, missing portion of tooth on mesiobuccal corner and with abraded buccal margin; 51546, right abraded m2 or 3; 53303, right partial M2; 53929, right m1; 54382, right m2 or 3; 56649, left m2 or 3
Peradectes sp. Matthew and Granger 1921
said to be new
see common names

Geography
Country:United States State/province:New Mexico County:San Juan
Coordinates: 36.3° North, 108.2° West (view map)
Paleocoordinates:43.2° North, 87.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
*Period:Early/Lower Tertiary *Epoch:Early/Lower Paleocene
*Local age/stage:Late/Upper Puercan
Key time interval:Pu3
Age range of interval:66.00000 - 63.80000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: "late Puercan" = Pu3 (Williamson and Weil 2010)
Lithology and environment
Primary lithology: not reported
Lithology description: none given
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,sieve,field collection
Reason for describing collection:paleoecologic analysis
Collection method comments: methods include "underwater screening"
Metadata
Also known as:NMMNH L-4723; NMMNH L-4725; Head of Willow Wash
Database number:26575
Authorizer:J. Alroy, P. Mannion Enterer:J. Alroy, P. Mannion
Modifier:J. Alroy Research group:vertebrate
Created:2002-10-17 20:54:02 Last modified:2011-04-16 03:03:46
Access level:the public Released:2002-10-17 20:54:02
Creative Commons license:CC BY
Reference information

Primary reference:
7305. T. E. Williamson and A. Weil. 2002. A Late Puercan (Pu3) microfauna from the San Juan Basin, New Mexico. Journal of Vertebrate Paleontology 22(3):119A-120A [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

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]
35859 T. E. Williamson, A. Weil, and B. Standhardt. 2011. Cimolestids (Mammalia) from the early Paleocene (Puercan) of New Mexico. Journal of Vertebrate Paleontology 31(1):162-180 [J. Alroy/J. Alroy]
34668 T. E. Williamson and A. Weil. 2011. A new early Paleocene (Puercan) hyopsodontid “condylarth” from New Mexico. Acta Palaeontologica Polonica 56(2):247-255 [J. Alroy/J. Alroy/P. Mannion]