Ferris Formation (UW V-93002): Lancian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Lillegraven and Eberle 1999 1 specimen
UW 27266
Actinopteri - Amiiformes - Amiidae
Cyclurus fragosa (Jordan 1927)
Lillegraven and Eberle 1999 1 specimen
recombined as Cyclurus fragosus
UW 27258
Reptilia - Squamata
Squamata indet. Oppel 1811
Lillegraven and Eberle 1999 1 specimen
UW 27284
Reptilia - Testudines - Nanhsiungchelyidae
Aspideretoides sp. Gardner et al. 1995
Lillegraven and Eberle 1999 1 specimen
UW 27220
    = Basilemys sp. Hay 1902
Holroyd and Hutchison 2002
Reptilia - Testudines - Trionychidae
Plastomenus sp. Cope 1873
Lillegraven and Eberle 1999 1 specimen
UW 27390
    = Trionychidae sp. Gray 1825
Holroyd and Hutchison 2002
Reptilia - Baenidae
Baenidae indet. Cope 1882
Lillegraven and Eberle 1999 1 specimen
UW 27273
Reptilia
Eusuchia indet. Huxley 1875
Lillegraven and Eberle 1999 1 specimen
UW 27292 ("Leidyosuchus")
Brachychampsa sp. Gilmore 1911
Lillegraven and Eberle 1999 1 specimen
UW 27399
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Lillegraven and Eberle 1999 1 specimen
UW 27237
Reptilia - Dromaeosauridae
Saurornitholestes sp. Sues 1978
Lillegraven and Eberle 1999 1 specimen
UW 27302
Reptilia - Tyrannosauridae
Aublysodon mirandus Leidy 1868
Lillegraven and Eberle 1999 1 specimen
nomen dubium belonging to Tyrannosauridae
UW 26310
Reptilia - Ornithomimidae
Ornithomimidae indet. Marsh 1890
Lillegraven and Eberle 1999 1 specimen
UW 27229
Reptilia - Ankylosauridae
Ankylosaurus sp. Brown 1908
Lillegraven and Eberle 1999 1 specimen
UW 26291
    = Ankylosaurus magniventris Brown 1908
Arbour and Mallon 2017
Reptilia - Ceratopsidae
Chasmosaurinae indet. Lambe 1915
Lillegraven and Eberle 1999 1 specimen
UW 27429 (Triceratops sp.)
Reptilia
Stygimoloch spinifer Galton and Sues 1983
Lillegraven and Eberle 1999 1 specimen
synonym of Pachycephalosaurus wyomingensis
UW 26525
Mammalia - Multituberculata - Cimolodontidae
Cimolodon cf. nitidus Marsh 1889
1 specimen
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Lillegraven and Eberle 1999 1 specimen
UW 27365
Chondrichthyes - Orectolobiformes - Orectolobidae
Squatirhina americana Estes 1964
Lillegraven and Eberle 1999 1 specimen
recombined as Restesia americana
UW 27234
see common names

Geography
Country:United States State/province:Wyoming County:Carbon
Coordinates: 41.8° North, 107.0° West (view map)
Paleocoordinates:48.8° North, 82.6° West
Basis of coordinate:based on political unit
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:72.10000 - 66.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Ferris
Local section:Ferris Local bed:1275 ft
Local order:bottom to top
Stratigraphy comments: said to be Lancian
Lithology and environment
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection size:1 specimens
Reason for describing collection:biostratigraphic analysis
Museum repositories:UW
Metadata
Also known as:Baba O'Reilly
Database number:14544
Authorizer:J. Alroy, R. Benson, M. Carrano Enterer:J. Alroy, R. Benson, M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:1998-09-21 00:00:00 Last modified:2007-10-04 17:19:39
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:

71136 V. M. Arbour and J. C. Mallon. 2017. Unusual cranial and postcranial anatomy in the archetypal ankylosaur Ankylosaurus magniventris. Facets 2(2):764-794 [M. Carrano/M. Carrano]
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]
2236 J. A. Lillegraven and J. J. Eberle. 1999. Vertebrate faunal changes through Lancian and Puercan time in southern Wyoming. Journal of Paleontology 73(4):691-710 [J. Alroy/J. Alroy/J. Alroy]