Bushy Tailed Blowout (Cretaceous of the United States)
Also known as UCMP V-5711 (BTB locality)
Where: Niobrara County, Wyoming (43.2° N, 104.6° W: paleocoordinates 49.6° N, 79.4° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Lance Formation, Lancian (70.6 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, sandy shale
• "a sandy shale"
Size class: mesofossils
Collected by W. A. Clemens in 1985; reposited in the UCMP
Primary reference: W. A. Clemens. 1964. Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia. University of California Publications in Geological Sciences 48:1-105 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 14519: authorized by John Alroy, entered by John Alroy on 26.07.1994, edited by Matthew Carrano, Roger Benson, Mark Bell, Grace Varnham and Philip Mannion
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Bivalvia | |
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| Gastropoda | |
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| Chondrichthyes | |
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| Reptilia | |
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Trionychidae indet.9 Gray 1825 softshell turtle costal, UCMP unnumbered; plus UCMP 173409 listed by Holroyd & Hutchison (2002)
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"Emarginochelys sp." = Emarginachelys18
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"Plastomeninae sp." = Plastomenidae18
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Dromaeosauridae indet.4 Colbert and Russell 1969 maniraptoran UCM 39502; AMNH uncat. (n. gen. n. sp.)
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"Saurornithoides inequalis" = Stenonychosaurus inequalis4 Sternberg 1932 maniraptoran UCM 41666, 43218
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| Aves | |
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Graculavus augustus n. sp.19
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Presbyornithidae "indet. sp. 4"20, Presbyornithidae "indet. sp. 3"20, Presbyornithidae "indet. sp. 2"20
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| Reptilia | |
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"Leidyosuchus sternbergi" = Borealosuchus sternbergii9
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Coniophis precedens23 Marsh 1892 snake AMNH 22846, 22850, 22851 (maxillae); AMNH 14598, 15621, 15622, 22840‐22845, 22847‐22849, 22940, 25220, 25261, 26817‐26819, 26821‐26824, 26827‐26834, 26999, 27000 (vertebrae) and UCMP 49859, 53930‐53934, 53936‐53944, 73044 (vertebrae)
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Exostinus lancensis9 Gilmore 1928 squamates UCMP 49847-49850, 49864, 56093; plus specimens reported by Gao & Fox (1996), UALVP 29847 (parietal), 29849-29850 (maxilla), 29838 (dentary)
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Paraderma bogerti9, Parasaniwa wyomingensis9, Litakis gilmorei9, Varanoidea indet.13, Colpodontosaurus cracens13
Parasaniwa wyomingensis9 Gilmore 1928 squamates UCMP 49792, 49796, 49799, 54200; AMNH 8103; plus Gao & Fox (1996) specimens: UALVP 33351-33353 (maxilla), 33354 (frontal), 1612, 1616, 33355, 33356 (dentaries)
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"Peltosaurus piger" = Odaxosaurus piger9
"Peltosaurus piger" = Odaxosaurus piger9 Gilmore 1928 squamates UCMP 49761-49790, 49821, 54204, 54208
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Chamops segnis9 Marsh 1892 squamates UCMP 49811-49814, 54206; and specimen reported by Gao & Fox 1996; UALVP 29727, 29729, 29813 (maxillae), and 29814 (dentary)
Meniscognathus altmani9 Estes 1964 squamates UCMP 49837, 49841, 54266; and specimens reported by Gao & Fox 1996; UALVP 29774, 29777, 29834 (dentaries), and 29832 (maxilla)
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Lonchisaurus trichurus n. gen. n. sp.22, "? Sauriscus cooki" = Estescincosaurus cooki9, Pariguana lancensis n. gen. n. sp.22
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| Mammalia | |
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Cimolodon nitidus Marsh 1889 multituberculate | |
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Cimolomys gracilis Marsh 1889 multituberculate
Meniscoessus robustus Marsh 1889 multituberculate | |
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Cimexomys minor7 Sloan and Van Valen 1965 multituberculate one "Mesodma" M1 (perhaps M. "formosa") of Clemens 1964a
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"Nortedelphys intermedius" = Nortedelphys jasoni5
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Glasbius intricatus n. sp.6
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Pediomys elegans6, "Pediomys florencae" = Protolambda florencae6, "Pediomys hatcheri" = Protolambda hatcheri6, "Pediomys krejcii" = Leptalestes krejcii6, "Pediomys cooki n. sp." = Leptalestes cooki6
"Pediomys krejcii" = Leptalestes krejcii6 Clemens 1966 metatherian this is NOT the type locality, see Clemens 1973
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Alphadon marshi6 Simpson 1927 metatherian includes A. marshi sensu stricto according to Clemens 1973; A. "wilsoni" present according to Lillegraven 1969
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"Cimolestes magnus" = Altacreodus magnus7
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Cimolestes stirtoni n. sp.7 Clemens 1973 eutherian UCMP 48591 - type (left upper molar, probably M2)
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| Amphibia | |
Paradiscoglossus americanus n. gen. n. sp.11
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Batrachosauroididae indet.17, Opisthotriton kayi9, "Prodesmodon copei" = Prodesmodon copei9, "Cuttysarkus mcnallyi" = Prodesmodon copei9
Batrachosauroididae indet.17 Auffenberg 1958 salamander AMNH FARB 22965 (incomplete left dentary) - probable new genus and species,
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| Actinopteri | |
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Osteoglossomorpha indet.1 Greenwood et al. 1966 = Coriops/Lopadichthys; UALVP 58845, centra of large size; UALVP 58846, centra of small size
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Estesesox sp.1 Wilson et al. 1992 UALVP 58852, dentary; UALVP 58854, palatine; UALVP 58844, centrum type NvC
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"Acanthomorpha "indet. HC-1"" = Acanthomorphata1, "Acanthomorpha "indet. HC-2"" = Acanthomorphata1, "Acanthomorpha "indet. HC-3"" = Acanthomorphata1, "Acanthomorpha "indet. HC-4"" = Acanthomorphata1, "Acanthomorpha "indet. HC-6"" = Acanthomorphata1, "Acanthomorpha "indet. HC-5"" = Acanthomorphata1
"Acanthomorpha "indet. HC-1"" = Acanthomorphata1 Rosen 1973 UALVP 58830, three first abdominal centra; UALVP 58876, 18 abdominal centra
"Acanthomorpha "indet. HC-2"" = Acanthomorphata1 Rosen 1973 UALVP 58832, six first abdominal centra; UALVP 58831, 14 abdominal centra
"Acanthomorpha "indet. HC-3"" = Acanthomorphata1 Rosen 1973 UALVP 58833, seven first abdominal centra
"Acanthomorpha "indet. HC-4"" = Acanthomorphata1 Rosen 1973 UALVP 58836, one first abdominal centrum; UALVP 58834, seven abdominal centra
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"Otophysi "indet. U-3/BvD"" = Otophysa1
"Otophysi "indet. U-3/BvD"" = Otophysa1 UALVP 58839, seven anterior Weberian centra (centrum type U3); UALVP 58840, two possible fourth Weberian centra; UALVP 58838, two abdominal centra (centrum type BvD)
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Ostariostoma sp.1 Schaeffer 1949 UALVP 56053, four dentaries represented by their anterior end and one complete dentary
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"Kindleia fragosa" = Cyclurus fragosus9 Jordan 1927 bowfin UCMP 54045-54048, 54062, 54073-54074, 54082, 54088, 54092-54093, 54104-54105, 54178-54180, 54188, 54196-54198, 54260, 54262, 56019; + 3 + many unnumbered specimens
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| Osteichthyes | |
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1Brinkman et al. 2021; 2Brodkorb 1963; 3Bryant 1988; 4Carpenter 1982; 5Case et al. 2004; 6Clemens 1966; 7Clemens 1973; 8Database 2005; 9Estes 1964; 10Estes 1965; 11Estes and Sanchíz 1982; 12Fox 1976; 13Gao and Fox 1996; 14Gardner 2000; 15Gardner 2008; 16Gardner 2012; 17Gardner 2022; 18Holroyd and Hutchison 2002; 19Hope 1999; 20Hope 2002; 21Longrich 2008; 22Longrich et al. 2012; 23Longrich et al. 2012; 24Novacek and Clemens 1977