Ferris Formation (UW V-92010): Lancian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
Lillegraven and Eberle 1999
original and current combination Lonchidion selachos
Chondrichthyes - Orectolobiformes - Orectolobidae
Squatirhina americana Estes 1964
Lillegraven and Eberle 1999
recombined as Restesia americana
Amphibia - Temnospondyli
Caudata indet. Scopoli 1777
Lillegraven and Eberle 1999
Amphibia - Temnospondyli - Urodela
Habrosaurus dilatus Gilmore 1928
Lillegraven and Eberle 1999
Scapherpeton tectum Cope 1876
Lillegraven and Eberle 1999
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
2 specimens
(1 measurement)
Mammalia - Multituberculata - Neoplagiaulacidae
Neoplagiaulacidae indet. Ameghino 1890
1 specimen
"perhaps... Mesodma sp."
Mammalia - Cimolestidae
cf. Cimolestes sp. Marsh 1889
1 specimen
Mammalia - Peradectidae
Peradectidae indet. Crochet 1979
1 specimen
Reptilia - Baenidae
Baenidae indet. Cope 1882
Lillegraven and Eberle 1999
Reptilia - Testudines
Plastomenus sp. Cope 1873
Lillegraven and Eberle 1999
    = cf. Plastomeninae sp. Hay 1902
Holroyd and Hutchison 2002
spelled with current rank as Plastomenidae
UW 25180
Reptilia - Testudines - Trionychidae
Aspideretoides sp. Gardner et al. 1995
Lillegraven and Eberle 1999
    = Trionychidae sp. Gray 1825
Holroyd and Hutchison 2002
?either UW 27362 or 27292
Reptilia - Chamopsiidae
Leptochamops denticulatus (Gilmore 1928)
Lillegraven and Eberle 1999
Reptilia
Eusuchia sp. Huxley 1875
Lillegraven and Eberle 1999
Brachychampsa sp. Gilmore 1911
Lillegraven and Eberle 1999
Reptilia - Ceratopsidae
Chasmosaurinae indet. Lambe 1915
Lillegraven and Eberle 1999
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
Lillegraven and Eberle 1999
Reptilia - Dromaeosauridae
Richardoestesia sp. Currie et al. 1990
Lillegraven and Eberle 1999
Saurornitholestes sp. Sues 1978
Lillegraven and Eberle 1999
Reptilia
Paronychodon lacustris Cope 1876
Lillegraven and Eberle 1999
nomen dubium belonging to Paronychodon
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
Lillegraven and Eberle 1999
Reptilia - Tyrannosauridae
Aublysodon mirandus Leidy 1868
Lillegraven and Eberle 1999
nomen dubium belonging to Tyrannosauridae
Reptilia
Champsosaurus sp. Cope 1876
Lillegraven and Eberle 1999
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Lillegraven and Eberle 1999
Actinopteri - Amiiformes - Amiidae
Cyclurus fragosa (Jordan 1927)
Lillegraven and Eberle 1999
recombined as Cyclurus fragosus
see common names

Geography
Country:United States State/province:Wyoming County:Carbon
Coordinates: 41.9° North, 106.9° West (view map)
Paleocoordinates:48.9° North, 82.4° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
*Epoch:Senonian
*Local age/stage:Lancian
Key time interval:Lancian
Age range of interval:70.60000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ferris
Local section:Ferris Local bed:2005 ft
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: said to be Lancian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:mesofossils
Disassociated major elements:some
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Museum repositories:UW
Metadata
Also known as:Deja Vu
Database number:14540
Authorizer:J. Alroy, R. Benson Enterer:J. Alroy, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:1998-09-21 00:00:00 Last modified:2007-10-09 11:45:46
Access level:the public Released:1998-09-21 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

1419. J. J. Eberle and J. A. Lillegraven. 1998. A new important record of earliest Cenozoic mammalian history: geologic setting, Multituberculata, and Peradectia. Rocky Mountain Geology 33(1):3-47 [J. Alroy/J. Alroy/J. Alroy]

Secondary references:

42536 P. A. Holroyd and J. H. Hutchison. 2002. Patterns of geographic variation in latest Cretaceous vertebrates: evidence from the turtle component. Geological Society of America Special Paper 361:177-190 [R. Benson/R. Benson]