Fales Rocks 1: Judithian, Wyoming
collected by J. Hutchison, M. Greenwald, J. Lillegraven, D. DeMar, B. Breithaupt 1976, 1981-1983, 2005-2006
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Hybodontiformes
- Hybodontidae
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Hybodus montanensis
Case 1978
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Database 2005 | 2 elements | ||||||||
recombined as Meristodonoides montanensis | ||||||||||
Hybodus sp.
Agassiz 1834
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Database 2005 | 3 elements | ||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion selachos
Estes 1964
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Database 2005 | 3 elements | ||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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Database 2005 | 7 elements | ||||||||
Chondrichthyes
- Orectolobiformes
- Orectolobidae
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Squatirhina americana
Estes 1964
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Database 2005 | 1 element | ||||||||
recombined as Restesia americana | ||||||||||
Acipenseriformes
- Polyodontidae
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Polyodontidae indet.
Bonaparte 1838
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DeMar and Breithaupt 2006 | 1 element | ||||||||
Amphibia
- Anura
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cf. Eopelobates sp.
Parker 1929
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
UW 44274*, 44275*, 44276*, maxillae | ||||||||||
= Anura informal indet. 1
Fischer von Waldheim 1813
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Gardner et al. 2016 | |||||||||
Amphibia
- Temnospondyli
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Anura indet.
(Fischer von Waldheim 1813)
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Database 2005 | 2 specimens | ||||||||
Anura indet.
(Fischer von Waldheim 1813)
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Gardner et al. 2016 | |||||||||
"unstudied collections of AMNH FARB, UCMP, and UW" | ||||||||||
Scotiophryne pustulosa
Estes 1969
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Gardner et al. 2016 | 4 specimens | ||||||||
UW 44312, maxilla; UW 34924, 44221, 44222, ilia | ||||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Prodesmodon copei
Estes 1964
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Database 2005 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
- Urodela
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Habrosaurus dilatus
Gilmore 1928
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Database 2005 | 1 specimen | ||||||||
Scapherpeton tectum
Cope 1876
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Database 2005 | 3 specimens | ||||||||
Lisserpeton bairdi
Estes 1965
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Mammalia
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Mammalia indet.
Linnaeus 1758
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Database 2005 | 2 specimens | ||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Cimolomys clarki
Sahni 1972
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Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon sp.
Marsh 1889
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Database 2005 | 2 specimens | ||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma primaeva
(Lambe 1902)
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recombined as Filikomys primaevus | ||||||||||
Mesodma sp.
Jepsen 1940
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Mammalia
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Theria indet.
Parker and Haswell 1897
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Database 2005 | 1 specimen | ||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops lewisi
Sahni 1972
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Mammalia
- Marsupialia
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Marsupialia indet.
(Illiger 1811)
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Database 2005 | 5 specimens | ||||||||
Mammalia
- Alphadontidae
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Alphadon halleyi
Sahni 1972
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includes "A. sahnii" type | ||||||||||
Alphadon russelli
Fox 1979
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= Turgidodon russelli
Fox 1979
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Alroy 2002 | |||||||||
Mammalia
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Alphadon lulli
Clemens 1966
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= Protalphadon lulli
Clemens 1966
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Alroy 2002 | |||||||||
Reptilia
- Baenidae
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Boremys sp.
Lambe 1906
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Reptilia
- Testudines
- Chelydridae
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Chelydridae indet.
Swainson 1839
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
Reptilia
- Testudines
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Aspideretoides cf. foveatus
(Leidy 1856)
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
original and current combination Trionyx foveatus | ||||||||||
Reptilia
- Testudines
- Nanhsiungchelyidae
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Basilemys sp.
Hay 1902
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DeMar and Breithaupt 2006 | 2 specimens | ||||||||
Reptilia
- Testudines
- Toxochelyidae
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Lophochelys sp.
Zangerl 1953
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Reptilia
- Chamopsiidae
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Leptochamops thrinax
Gao and Fox 1991
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Reptilia
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Alligatorinae indet.
Cuvier 1807
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Brachychampsa montana
Gilmore 1911
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Database 2005 | 4 specimens | ||||||||
Reptilia
- Ankylosauridae
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Ankylosauridae indet.
Brown 1908
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
two morphotypes | ||||||||||
Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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DeMar and Breithaupt 2006 | |||||||||
Lambeosaurinae indet.
Parks 1923
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DeMar and Breithaupt 2006 | |||||||||
Reptilia
- Dromaeosauridae
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Richardoestesia isosceles
Sankey 2001
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Saurornitholestes sp.
Sues 1978
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Reptilia
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Paronychodon lacustris
Cope 1876
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
nomen dubium belonging to Paronychodon | ||||||||||
Reptilia
- Caenagnathidae
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Caenagnathidae indet.
Sternberg 1940
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Yun and Funston 2021 | |||||||||
UW 44439, a nearly complete left metatarsal I | ||||||||||
Reptilia
- Tyrannosauridae
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Tyrannosauridae indet.
Osborn 1906
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DeMar and Breithaupt 2006 | 3 specimens | ||||||||
Daspletosaurus sp.
Russell 1970
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DeMar and Breithaupt 2006 | 1 specimen | ||||||||
Reptilia
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Champsosaurus natator
Parks 1933
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Database 2005 | 1 specimen | ||||||||
Actinopteri
- Pycnodontiformes
- Pycnodontidae
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Pycnodontidae indet.
(Agassiz 1833)
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Database 2005 | 3 elements | ||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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Database 2005 | 1 element | ||||||||
Lepisosteus occidentalis
(Leidy 1856)
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Database 2005 | 8 elements | ||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia fragosa
Jordan 1927
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DeMar and Breithaupt 2006 | 6 elements | ||||||||
= Amiinae indet.
Bonaparte 1837
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DeMar and Breithaupt 2006 | |||||||||
Melvius sp.
Bryant 1987
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DeMar and Breithaupt 2006 | 7 elements | ||||||||
Actinopteri
- Albuliformes
- Albulidae
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Coriops amnicolus
Estes 1969
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DeMar and Breithaupt 2006 | 1 element | ||||||||
Actinopteri
- Aspidorhynchiformes
- Aspidorhynchidae
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Belonostomus longirostris
(Lambe 1902)
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Database 2005 | 2 elements | ||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Natrona |
Coordinates: | 42.9° North, 107.3° West (view map) | ||||
Paleocoordinates: | 49.7° North, 75.8° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 1922 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 | *Epoch: | Senonian |
Key time interval: | Judithian | ||
Age range of interval: | 83.50000 - 70.60000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Mesaverde | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: now dated to upper middle Campanian |
Lithology and environment
Primary lithology: | ferruginous,pebbly lithified conglomerate |
Secondary lithology: | "cross stratification",yellow argillaceous sandstone |
Includes fossils? | Y |
Includes fossils? | Y |
Lithology description: "yellowish to golden channel sandstone...richest fossil-bearing level is within a basal ironstone-cemented pebble conglomerate and throughout the overlying 2 m of more friable, yellowish sanstone. Fossils are seen both as isolated occurrences in massively cross-bedded sandstones and within concentrations of clay-gall stringers along thin bedding planes." | |
Environment: | "channel" |
Taphonomy
Modes of preservation: | body |
Lagerst�tten type: | concentrate |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Spatial orientation: | random |
Preservation of anatomical detail: | good |
Disassociated major elements: | many |
Disassociated minor elements: | some |
Fragmentation: | occasional |
Temporal resolution: | time-averaged |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | bulk,sieve,field collection | ||
Collection size: | 45 specimens | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | UCMP | ||
Collectors: | J. Hutchison, M. Greenwald, J. Lillegraven, D. DeMar, B. Breithaupt | Collection dates: | 1976, 1981-1983, 2005-2006 |
Taxonomic list comments:exactly the same level as Barwin QuarryNISP 45 (based on catalog numbers) |
Metadata
Also known as: | UW V-81006; UCMP V-81101 | ||
Database number: | 14458 | ||
Authorizer: | J. Alroy, P. Mannion, P. Holroyd, M. Carrano | Enterer: | J. Alroy, M. Carrano, P. Mannion, P. Holroyd |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1994-04-30 00:00:00 | Last modified: | 2023-07-14 14:15:32 |
Access level: | the public | Released: | 1994-04-30 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2237. | J. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 [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] | |
13103 | U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano] | |
34478 | ETE | D. G. DeMar and B. H. Breithaupt. 2008. Terrestrial and aquatic vertebrate paleocommunities of the Mesaverde Formation (Upper Cretaceous, Campanian) of the Wind River and Bighorn Basins, Wyoming, USA. In J. T. Sankey & S. Baszio (ed.), Vertebrate Microfossil Assemblages: Their Role in Paleoecology and Paleobiogeography 78-103 [M. Carrano/M. Carrano/M. Carrano] |
17857 | ETE | D. G. DeMar, Jr. and B. H. Breithaupt. 2006. The nonmammalian vertebrate microfossil assemblages of the Mesaverde Formation (Upper Cretaceous, Campanian) of the Wind River and Bighorn Basins, Wyoming. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:33-54 [M. Carrano/M. Carrano] |
64015 | J. D. Gardner, C. M. Redman, and R. L. Cifelli. 2016. The hopping dead: Late Cretaceous frogs from the middle-late Campanian (Judithian) of western North America. Fossil Imprint 72(1-2):78-107 [P. Holroyd/P. Holroyd/M. Carrano] | |
82394 | C.-g. Yun and G. F. Funston. 2021. A caenagnathid oviraptorosaur metatarsal from the Mesaverde Formation (Campanian) of Wyoming, USA. Vertebrate Anatomy Morphology Palaeontology 9:105-115 [P. Mannion/P. Mannion] |