Ferris Formation (UW V-92027): Lancian, Wyoming

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Ankylosauridae
Ankylosaurus sp. Brown 1908
Lillegraven and Eberle 1999 1 specimen
UW 26294
    = Ankylosaurus magniventris Brown 1908
Arbour and Mallon 2017
Reptilia - Ceratopsidae
Chasmosaurinae indet. Lambe 1915
Lillegraven and Eberle 1999 1 specimen
UW 26610 "(= Triceratops sp.)"
Reptilia - Hadrosauridae
Hadrosaurinae indet. Lambe 1918
Lillegraven and Eberle 1999 2 specimens
UW 26600, 27415
Reptilia - Thescelosauridae
Thescelosauridae indet. Sternberg 1937
Lillegraven and Eberle 1999 1 specimen
UW 26311
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Lillegraven and Eberle 1999 1 specimen
UW 27445
Reptilia - Dromaeosauridae
Saurornitholestes sp. Sues 1978
Lillegraven and Eberle 1999 1 specimen
UW 27301
Reptilia
Eusuchia indet. Huxley 1875
Lillegraven and Eberle 1999 1 specimen
UW 27291 "(= "Leidyosuchus")"
Brachychampsa sp. Gilmore 1911
Lillegraven and Eberle 1999 1 specimen
UW 26536
Reptilia - Testudines - Trionychidae
Trionychidae sp. Gray 1825
Holroyd and Hutchison 2002 1 specimen
UW 30604
Reptilia - Squamata
Squamata indet. Oppel 1811
Lillegraven and Eberle 1999 1 specimen
UW 27227
Mammalia
Alphadon lulli Clemens 1966
1 specimen
    = Protalphadon cf. lulli Clemens 1966
Alroy 2002
Mammalia - Multituberculata
Multituberculata indet. Cope 1884
Mammalia - Multituberculata - Cimolodontidae
Cimolodon nitidus Marsh 1889
1 specimen
Amphibia - Temnospondyli
Caudata indet. Scopoli 1777
Lillegraven and Eberle 1999 1 specimen
UW 27213
Amphibia - Temnospondyli - Urodela
Habrosaurus dilatus Gilmore 1928
Lillegraven and Eberle 1999 1 specimen
UW 26619
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteidae indet. Cuvier 1825
Lillegraven and Eberle 1999 1 specimen
UW 26537
Actinopteri - Amiiformes - Amiidae
Cyclurus fragosa (Jordan 1927)
Lillegraven and Eberle 1999 1 specimen
recombined as Cyclurus fragosus
UW 26538
Chondrichthyes - Hybodontiformes - Lonchidiidae
Lissodus selachos (Estes 1964)
Lillegraven and Eberle 1999 1 specimen
original and current combination Lonchidion selachos
UW 26589
Chondrichthyes - Rajiformes - Rhinobatidae
Myledaphus bipartitus Cope 1876
Lillegraven and Eberle 1999 1 specimen
UW 26603
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:985 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:2 specimens
Reason for describing collection:biostratigraphic analysis
Museum repositories:UW
Metadata
Also known as:A Gathering of Ankylosaurs
Database number:14541
Authorizer:J. Alroy, M. Carrano, R. Benson Enterer:J. Alroy, M. Carrano, R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:1998-09-21 00:00:00 Last modified:2007-10-05 17:38:21
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:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
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]