OMNH V2, Death RIdge: Early/Lower Campanian, Utah

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Spalacotheriidae
Symmetrodontoides foxi n. sp. Cifelli and Madsen 1986
Cifelli and Madsen 1986
from MNA locality DR1, 24 km SSW of Escalante, Garfield County: Cifelli and Madsen 1986; also at OMNH V11 and V16: Cifelli and Gordon 1999
Mammalia
Paranyctoides informal sp. B Fox 1979
1 specimen
OMNH 21984; = Wahweap species B
Anchistodelphys archibaldi Cifelli 1990
Cifelli 1990 2 specimens
OMNH 20132, 20137
Iugomortiferum thoringtoni n. gen., n. sp. Cifelli 1990
Cifelli 1990 3 specimens
OMNH 20936, 20928, 20136
Mammalia - Multituberculata - Cimolomyidae
? Cimolomyidae indet. Sloan and Van Valen 1965
? Meniscoessus sp. Cope 1882
Cimolomys sp. Marsh 1889
said to be new
Cimolomys clarki Sahni 1972
Mammalia - Multituberculata - Neoplagiaulacidae
? Mesodma sp. Jepsen 1940
Mesodma cf. formosa (Marsh 1889)
Mammalia - Multituberculata - Cimolodontidae
Cimolodon sp. Marsh 1889
two additional Cimolodon sp.
Cimolodon similis Fox 1971
Cimolodon electus Fox 1971
Mammalia - Multituberculata
Cimexomys cf. antiquus Fox 1971
Paracimexomys sp. Archibald 1982
two forms, at least one new
Reptilia
cf. Scincomorpha informal indet. Wahweap Morphotype A (Camp 1923)
Nydam 2013 1 specimen
OMNH 21995, posterior portion of left maxilla
Reptilia - Hadrosauridae
Hadrosauridae indet. Cope 1869
Parrish 1999
Amphibia - Temnospondyli - Albanerpetontidae
Albanerpetontidae indet. Fox and Naylor 1982
Gardner 2000 1 specimen
OMNH 24267
see common names

Geography
Country:United States State/province:Utah County:Garfield
Coordinates: 37.6° North, 111.3° West (view map)
Paleocoordinates:45.5° North, 82.5° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Campanian 10 m.y. bin:Cretaceous 7
*Epoch:Senonian
*International age/stage:Early/Lower Campanian
Key time interval:Early/Lower Campanian
Age range of interval:83.60000 - 72.10000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Wahweap
Local section:Kaiparowits Local bed:7
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: said to be early Campanian
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Collection methods and comments
Collection methods:bulk,sieve,field collection
Rock censused:175 kg
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:most mammals from V11 (near Henrieville, Garfield County) and V8 (Garfield County); V2 is near Death Ridge, Garfield County; UMNH VP Locality 77 is mentioned by Eaton 1999a and is in Bryce Canyon National Park
see also Eaton et al. 1999
marsupials of Cifelli 1990b replace the following: Alphadon sp. forms "A," "B," and "C"; two additional peradectids "A" and "B"; Stagodontidae indet.
Metadata
Also known as:DR2, MNA 455-2
Database number:14429
Authorizer:J. Alroy, M. Carrano, P. Barrett Enterer:J. Alroy, T. Cleary, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Collections that are a subset of this one:61844, 190353
Created:1994-04-30 00:00:00 Last modified:2023-08-21 13:20:57
Access level:the public Released:1994-04-30 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1412. J. G. Eaton and R. L. Cifelli. 1988. Preliminary report on Late Cretaceous mammals of the Kaiparowits Plateau, southern Utah. Contributions to Geology, University of Wyoming 26(2):45-55 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

1206 R. L. Cifelli. 1990. Cretaceous mammals from southern Utah. II. Marsupials and marsupial-like mammals from the Wahweap Formation (early Campanian). Journal of Vertebrate Paleontology 10(3):320-331 [J. Alroy/J. Alroy/M. Carrano]
1209 R. L. Cifelli. 1990. A primitive higher mammal from the Late Cretaceous of southern Utah. Journal of Mammalogy 71(3):343-350 [J. Alroy/J. Alroy/M. Carrano]
1220 R. L. Cifelli and C. L. Gordon. 1999. Symmetrodonts from the Late Cretaceous of southern Utah and distribution of archaic mammals in the Cretaceous of North America. Brigham Young University Geology Studies 44:1-15 [J. Alroy/J. Alroy/M. Carrano]
3833ETE,5% 24700R. L. Cifelli and S. K. Madsen. 1986. An Upper Cretaceous symmetrodont (Mammalia) from southern Utah. Journal of Vertebrate Paleontology 6(3):258-263 [J. Alroy/J. Alroy/J. Alroy]
42675 J. D. Gardner. 2000. Albanerpetontid amphibians from the Upper Cretaceous (Campanian and Maastrichtian) of North America. Geodiversitas 22(3):349-388 [M. Carrano/M. Carrano/M. Carrano]
2036 Z. Johanson. 1996. Revision of the Late Cretaceous North American marsupial genus Alphadon. Palaeontographica Abteilung A 242:127-184 [J. Alroy/J. Alroy/M. Uhen]
60263 R. L. Nydam. 2013. Lizards and snakes from the Cenomanian through Campanian of southern Utah: filling the gap in the fossil record of Squamata from the Late Cretaceous of the Western Interior of North America. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 370-423 [P. Barrett/T. Cleary/M. Carrano]
85384 J. M. Parrish. 1999. Dinosaur teeth from the Upper Cretaceous (Turonian–Judithian) of southern Utah. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:319-321 [M. Carrano/M. Carrano]