Robber's Roost (UW V-79032): Lancian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Cissitis rocklandensis
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Gastropoda
- Viviparidae
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Viviparidae indet.
Gray 1847
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Campeloma sp.
Rafinesque 1819
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Bivalvia
- Unionida
- Unionidae
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Unionidae indet.
Rafinesque 1820
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Bivalvia
- Cardiida
- Sphaeriidae
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cf. Sphaerium sp.
Scopoli 1777
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Mammalia
- Pediomyidae
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Pediomys elegans
Marsh 1889
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2 specimens | |||||||||
Mammalia
- Alphadontidae
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Alphadontidae indet.
Marshall et al. 1990
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1 specimen | |||||||||
"Alphadon lulli... or wilsoni" | ||||||||||
Alphadon marshi
Simpson 1927
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5 specimens | |||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops hypoconus
Simpson 1927
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1 specimen | |||||||||
Mammalia
- Procreodi
- Arctocyonidae
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? Protungulatum sp.
Sloan and Van Valen 1965
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1 specimen | |||||||||
apparently considered P. donnae by Van Valen 1988; this may be the only Cretaceous record of Protungulatum | ||||||||||
Mammalia
- Multituberculata
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Multituberculata indet.
(Cope 1884)
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Donohue et al. 2013 | 8 specimens | ||||||||
UCMP 197629, 197637, 197646, isolated p4s; UCMP 197649, isolated m2; and UCMP 197643, isolated M1; UW 15177, 17039 isolated m2s;UW20061, 25165, 25166, isolated M1s; and UW 15149, 15151, 20059, isolated M2s | ||||||||||
Cimexomys sp.
Sloan and Van Valen 1965
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Donohue et al. 2013 | 1 specimen | ||||||||
UCMP 197622, isolated left M1 | ||||||||||
Cimexomys minor
Sloan and Van Valen 1965
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7 specimens | |||||||||
UCMP 197664, isolated right M1, UW 25147, isolated right P4; UW 15188, isolated left M1; and UW 20078, 20088, 20095, and 20151, isolated right M1s (updated to 7 specimens by Donohue et al 2013, from 1 reported by Breithaupt 1982) | ||||||||||
Cimexomys cf. minor
Sloan and Van Valen 1965
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Donohue et al. 2013 | 6 specimens | ||||||||
UCMP 197648, isolated left P4; UCMP 197614, isolated right M2, UW 15192 and 20083, isolated right P4s; UW 20143 isolated left P4; and UW 20097, isolated left M2 | ||||||||||
Mammalia
- Multituberculata
- Neoplagiaulacidae
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? Neoplagiaulacidae indet.
Ameghino 1890
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Donohue et al. 2013 | 23 specimens | ||||||||
UCMP 197639 and 197665, both isolated right p4s; UCMP 197612, isolated right m1; UCMP 197618, isolated right M2; and UCMP 197660, left M2, UW 20139, isolated left p4; UW 15165, 20075, 20090, 20117, all isolated right m1s; UW 20048, isolated left m1; UW 15162, 15194, 20042, 20063, 20065, 20091, isolated left m2s; and UW 15163, 15176, 20043, 20069, 20082, 20102, isolated right m2s | ||||||||||
Parikimys carpenteri
Wilson et al. 2010
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Donohue et al. 2013 | 4 specimens | ||||||||
UW 20052, isolated right p4; UW 20135 and 20137, isolated right m1s; and UW 15191, isolated left m1 | ||||||||||
Mesodma sp.
Jepsen 1940
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Donohue et al. 2013 | 6 specimens | ||||||||
UW 15160 and 20076, isolated left m1s; UW 20045, 20079, and 20121, isolated right m1s; and UW 20049, isolated right m2 | ||||||||||
Mesodma hensleighi
Lillegraven 1969
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4 specimens | |||||||||
UW 15157, isolated left p4; UW 15172, isolated right m1; UW 15190, isolated left m2; and UW 20118 and 20146, isolated right M1s (updated to 4 specimens by Donohue et al 2013, from 13 reported by Breithaupt 1982) | ||||||||||
Mesodma formosa
(Marsh 1889)
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13 specimens | |||||||||
UCMP 197624, isolated right m1; and UCMP 197636, isolated left m2. UW 15183, isolated right m1; UW 20077, isolated left m1; UW 15175, 15187, 25162, isolated right m2s;UW15150, 15168, 15189, 20038, and 20068, isolated left M2s; and UW 15185, isolated right M2 (specimen numbers from Donohue et al (2013) | ||||||||||
Mesodma thompsoni
Clemens 1964
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6 specimens | |||||||||
UCMP 197616 and 197650, isolated left m1s, UW 15152 and 20153, isolated left m2s; and UW 15164, 20106, isolated right m2s (updated to 6 specimens by Donohue et al 2013, from 13 reported by Breithaupt 1982) | ||||||||||
Mesodma cf. thompsoni
Clemens 1964
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Donohue et al. 2013 | 1 specimen | ||||||||
UW 20145, isolated left p4 | ||||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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15 specimens | |||||||||
UCMP 197632, isolated left m1; UCMP 197654, isolated rightm2; UCMP 197662, isolated left m2;UCMP 197652 and 197658, isolated left P4s; UCMP 197623 and 197626, isolated left M1s; and UCMP 197627, isolated right M1, UW 20089 and 20150, isolated left m1s; UW 15156, isolated right m1; UW 15144 and 15153, isolated left m2s; UW 15146, 15147, and 15169, isolated right m2s; UW 17375, isolated right P4; UW 15184 and 20044, isolated left P4s; UW 15155 and 20058, isolated right M1s; UW 20133, isolated left M1; and UW 20062, isolated left M2 (updated to 15 specimens by Donohue et al 2013, from 10 reported by Breithaupt 1982) | ||||||||||
Cimolodon cf. nitidus
Marsh 1889
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Donohue et al. 2013 | 10 specimens | ||||||||
UCMP 197646 and 197651, isolated left p4s; UCMP 197631, isolated right m2, UW 20170, isolated right m1; UW 25165, isolated left m1; UW 20039 and 20084, isolated right and left m2s, respectively; and UW 20087, 20093, and 20131, isolated rightM2s | ||||||||||
Mammalia
- Multituberculata
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Paracimexomys cf. priscus
(Lillegraven 1969)
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Donohue et al. 2013 | 1 specimen | ||||||||
UW 20047, isolated right M1 | ||||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Meniscoessus robustus
(Marsh 1889)
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5 specimens | |||||||||
UCMP 197615, isolated left m1; and UCMP 197655, isolated left P4, UW15123, fragmentary right m1;UW20046, fragmentary right m2; and UW 15195, isolated right P4 (updated to 5 specimens by Donohue et al 2013, from 4 reported by Breithaupt 1982) | ||||||||||
Paressonodon nelsoni
Wilson et al. 2010
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Donohue et al. 2013 | 4 specimens | ||||||||
UCMP 197660, isolated right M2, UW 15167, isolated right m2; UW 20134, isolated left m2; and UW 20041, isolated left M2 | ||||||||||
Essonodon sp.
Simpson 1927
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2 specimens | |||||||||
= Essonodon browni
Simpson 1927
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Donohue et al. 2013 | |||||||||
UW 15122, left dentary fragment containing m1; UW 17374, isolated right m1 fragment; UW 25151, isolated right m2; UW20073, isolated left M2 | ||||||||||
? Essonodon browni
Simpson 1927
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Donohue et al. 2013 | 1 specimen | ||||||||
UCMP 197657, left p4 | ||||||||||
Reptilia
- Globauridae
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cf. Contogenys sp.
Estes 1969
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1 specimen | |||||||||
Reptilia
- Chamopsiidae
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Leptochamops denticulatus
(Gilmore 1928)
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5 specimens | |||||||||
Chamops segnis
Marsh 1892
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10 specimens | |||||||||
cf. Meniscognathus sp.
Estes 1964
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1 specimen | |||||||||
Reptilia
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Lamiasaurus ferox n. gen., n. sp.
Longrich et al. 2012
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Longrich et al. 2012 | 1 specimen | ||||||||
UW 25116B (holotype), left dentary | ||||||||||
= Lamiasaura ferox n. gen., n. sp.
Longrich et al. 2013
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Longrich et al. 2013 | |||||||||
same holotype UW 25116B, left dentary | ||||||||||
Reptilia
- Xenosauridae
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Exostinus lancensis
Gilmore 1928
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6 specimens | |||||||||
Reptilia
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Paraderma sp.
Estes 1964
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2 specimens | |||||||||
Reptilia
- Anguidae
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Odaxosaurus piger
(Gilmore 1928)
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226 specimens | |||||||||
cf. Gerrhonotus sp.
Wiegmann 1828
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1 specimen | |||||||||
Reptilia
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Compsemys victa
(Leidy 1856)
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6 specimens | |||||||||
Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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1 specimen | |||||||||
cf. Eubaena sp.
Hay 1908
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1 specimen | |||||||||
Reptilia
- Testudines
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cf. Helopanoplia distincta
Hay 1908
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2 specimens | |||||||||
Plastomenus sp.
Cope 1873
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3 specimens | |||||||||
Reptilia
- Testudines
- Trionychidae
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Trionyx sp.
Geoffroy Saint-Hilaire 1809
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15 specimens | |||||||||
= Trionychidae indet.
Gray 1825
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Alroy 2006 | |||||||||
Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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1 specimen | |||||||||
Reptilia
- Testudines
- Nanhsiungchelyidae
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cf. Basilemys sp.
Hay 1902
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2 specimens | |||||||||
Reptilia
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Leidyosuchus sternbergi
(Gilmore 1910)
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23 specimens | |||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Brachychampsa montana
Gilmore 1911
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46 specimens | |||||||||
? Doratodon sp.
Seeley 1881
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8 specimens | |||||||||
Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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Reptilia
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Ankylosauria indet.
Osborn 1923
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1 specimen | |||||||||
Reptilia
- Ankylosauridae
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Ankylosaurus cf. magniventris
Brown 1908
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1 specimen | |||||||||
Reptilia
- Nodosauridae
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cf. Nodosauridae indet.
Marsh 1890
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1 specimen | |||||||||
Reptilia
- Theropoda
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Theropoda indet.
Marsh 1881
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Reptilia
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Coelurosauria indet.
Huene 1914
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1 specimen | |||||||||
Paronychodon lacustris
Cope 1876
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2 specimens | |||||||||
nomen dubium belonging to Paronychodon | ||||||||||
Reptilia
- Dromaeosauridae
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Dromaeosauridae indet.
Colbert and Russell 1969
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3 specimens | |||||||||
Dromaeosaurus sp.
Matthew and Brown 1922
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2 specimens | |||||||||
Reptilia
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Champsosaurus sp.
Cope 1876
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13 specimens | |||||||||
Amphibia
- Temnospondyli
- Albanerpetontidae
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Albanerpetontidae indet.
Fox and Naylor 1982
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Gardner 2000 | 16 specimens | ||||||||
UW 14585, 14588, 14583, 14586, 14587, 14591, 15030, 14592; orig ID as A. nexuosus in ref 1129 | ||||||||||
Albanerpeton nexuosus
Estes 1981
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Gardner 2000 | 3 specimens | ||||||||
UW 14584, 14587, 15019 | ||||||||||
Albanerpeton galaktion
Fox and Naylor 1982
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Gardner 2000 | 1 specimen | ||||||||
UW 14593 | ||||||||||
Amphibia
- Temnospondyli
- Pelobatidae
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Anura indet.
(Fischer von Waldheim 1813)
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7 specimens | |||||||||
= cf. Eopelobates sp.
Parker 1929
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Gardner and DeMar 2013 | |||||||||
Amphibia
- Temnospondyli
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? Scotiophryne sp.
Estes 1969
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1 specimen | |||||||||
Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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23 specimens | |||||||||
Prodesmodon copei
Estes 1964
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2 specimens | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Scapherpeton tectum
Cope 1876
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8 specimens | |||||||||
Lisserpeton bairdi
Estes 1965
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9 specimens | |||||||||
Habrosaurus dilatus
Gilmore 1928
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10 specimens | |||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia cf. uintaensis
(Leidy 1873)
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9 elements | |||||||||
nomen dubium belonging to Amiinae | ||||||||||
Amia fragosa
Jordan 1927
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610 elements | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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1370 elements | |||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Sciaenidae
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Platacodon nanus
Marsh 1889
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171 elements | |||||||||
Acipenseriformes
- Acipenseridae
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cf. Acipenser sp.
Linnaeus 1758
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1 element | |||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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4 elements | |||||||||
Chondrichthyes
- Orectolobiformes
- Orectolobidae
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Squatirhina americana
Estes 1964
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6 elements | |||||||||
recombined as Restesia americana | ||||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion selachos
Estes 1964
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63 elements | |||||||||
Angiospermae
- Fagales
- Nothofagaceae
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Dryophyllum cf. subfalcatum
Lesquereux 1875
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Angiospermae
- Rosales
- Rhamnaceae
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Rhamnus hirsuta
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Angiospermae
- Moraceae
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cf. Ficus paryearensis
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var. elongata | ||||||||||
Ficus planicostata
Lesquereux 1872
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Ficus rockvalensis
Knowlton 1918
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Angiospermae
- Laurales
- Lauraceae
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cf. Sassafras thermale
Brown 1962
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Laurophyllum meeki
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Angiospermae
- Arecaceae
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cf. Phoenicites sp.
Brongniart 1828
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Coniferales
- Cupressaceae
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Sequoia cuneata
(Newberry 1863)
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see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Sweetwater |
Coordinates: | 41.6° North, 108.7° West (view map) | ||||
Paleocoordinates: | 48.9° North, 84.5° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 2058 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 | *Epoch: | Senonian |
Key time interval: | Lancian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Lance |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | brown,gray mudstone |
Includes fossils? | Y |
Lithology description: The lithology is a gray-brown-colored mudstone with invertebrate fossils and carbonaceous detritus deposited in a paludal stream environment | |
Environment: | fluvial indet. |
Geology comments: "a paludal stream environment" |
Taphonomy
Modes of preservation: | body |
Lagerst�tten type: | concentrate |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Articulated whole bodies: | none |
Associated major elements: | none |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | bulk,surface (float),sieve,field collection |
Reason for describing collection: | general faunal/floral analysis |
Museum repositories: | UW |
Taxonomic list comments:this is the only screenwashing site and there is no indication that specimens come from other, nearby sites "Invertebrate fossils" mentioned, but not described |
Metadata
Also known as: | UCMP V-84215, Black Butte | ||
Database number: | 14514 | ||
Authorizer: | J. Alroy, P. Barrett, P. Holroyd, M. Carrano, R. Benson | Enterer: | J. Alroy, P. Holroyd, M. Carrano, T. Cleary, R. Benson |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1993-09-27 00:00:00 | Last modified: | 2013-07-26 15:08:50 |
Access level: | the public | Released: | 1993-09-27 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1129. | B. H. Breithaupt. 1982. Paleontology and paleoecology of the Lance Formation (Maastrichtian), east flank of Rock Springs Uplift, Sweetwater County, Wyoming. Contributions to Geology, University of Wyoming 21(2):123-151 [J. Alroy/J. Alroy/M. Carrano] |
Secondary references:
18120 | J. Alroy. 2006. Synonymies and reidentifications of North American fossil vertebrates. [J. Alroy/J. Alroy/J. Alroy] | |
46718 | S. L. Donohue, G. P. Wilson, and B. H. Breithaupt. 2013. Latest Cretaceous multituberculates of the Black Butte Station local fauna (Lance Formation, southwestern Wyoming), with implications for compositional differences among mammalian local faunas of the Western Interior. Journal of Vertebrate Paleontology 33(3):677-695 [R. Benson/R. Benson/M. Carrano] | |
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] | |
65027 | J. D. Gardner and D. G. DeMar. 2013. Mesozoic and Palaeocene lissamphibian assemblages of North America: a comprehensive review. Palaeobiodiversity and Palaeoenvironments 93:459-515 [P. Holroyd/P. Holroyd/M. Carrano] | |
43992 | N. R. Longrich, B.-A. S. Bhullar, and J. A. Gauthier. 2012. Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary. Proceedings of the National Academy of Sciences 109(52):21396-21401 [R. Benson/R. Benson/T. Liebrecht] | |
60128 | N. R. Longrich, B.-A. S. Bhullar, and J. A. Gauthier. 2013. Correction for Longrich et al, Mass extinction of lizards and snakes at the Cretaceous–Paleogene boundary. Proceedings of the National Academy of Sciences 110(16):6608-6608 [P. Barrett/T. Cleary] |