Also known as UCMP V-84215, Black Butte
Where: Sweetwater County, Wyoming (41.6° N, 108.7° W: paleocoordinates 48.9° N, 84.5° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Lance Formation, Lancian (70.6 - 66.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; brown, gray mudstone
Size class: mesofossils
Reposited in the UW
Collection methods: bulk, surface (float), sieve,
Primary reference: 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]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 14514: authorized by John Alroy, entered by John Alroy on 27.09.1993, edited by Matthew Carrano, Roger Benson, Terri Cleary and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
•"Invertebrate fossils" mentioned, but not described
unclassified | |
Angiospermae | |
Dryophyllum cf. subfalcatum Lesquereux 1875 | |
Rhamnus hirsuta buckthorn | |
Ficus planicostata Lesquereux 1872 fig
Ficus rockvalensis Knowlton 1918 fig | |
cf. Phoenicites sp. Brongniart 1828 palm | |
cf. Sassafras thermale Brown 1962 sassafras
Laurophyllum meeki laurel | |
Sequoia cuneata Newberry 1863 coast redwood | |
Gastropoda | |
Viviparidae indet. Gray 1847 snail
Campeloma sp. Rafinesque 1819 snail | |
Bivalvia | |
cf. Sphaerium sp. Scopoli 1777 fingernail clam | |
Unionidae indet. Rafinesque 1820 freshwater mussel | |
Chondrichthyes | |
Lonchidion selachos Estes 1964 elasmobranch | |
Myledaphus bipartitus Cope 1876 guitarfish | |
"Squatirhina americana" = Restesia americana
"Squatirhina americana" = Restesia americana Estes 1964 wobbegong | |
Osteichthyes | |
cf. Acipenser sp. Linnaeus 1758 sturgeon | |
Amphibia | |
? Scotiophryne sp. Estes 1969 frog | |
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Opisthotriton kayi Auffenberg 1961 salamander
Prodesmodon copei Estes 1964 salamander | |
Habrosaurus dilatus Gilmore 1928 siren
Scapherpeton tectum Cope 1876 salamander
Lisserpeton bairdi Estes 1965 salamander | |
Albanerpetontidae indet.3 Fox and Naylor 1982 tetrapod UW 14585, 14588, 14583, 14586, 14587, 14591, 15030, 14592; orig ID as A. nexuosus in ref 1129
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Mammalia | |
Multituberculata indet.2 multituberculate 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 minor Sloan and Van Valen 1965 multituberculate 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. minor2 Sloan and Van Valen 1965 multituberculate 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
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Meniscoessus robustus Marsh 1889 multituberculate 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 nelsoni2 Wilson et al. 2010 multituberculate UCMP 197660, isolated right M2, UW 15167, isolated right m2; UW 20134, isolated left m2; and UW 20041, isolated left M2
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Cimolodon nitidus Marsh 1889 multituberculate 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. nitidus2 Marsh 1889 multituberculate 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
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? Neoplagiaulacidae indet.2, Mesodma sp.2, Mesodma hensleighi, Mesodma thompsoni, Mesodma cf. thompsoni2, Mesodma formosa, Parikimys carpenteri2
? Neoplagiaulacidae indet.2 Ameghino 1890 multituberculate 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
Mesodma sp.2 Jepsen 1940 multituberculate 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 multituberculate 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 thompsoni Clemens 1964 multituberculate 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 formosa Marsh 1889 multituberculate 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)
Parikimys carpenteri2 Wilson et al. 2010 multituberculate UW 20052, isolated right p4; UW 20135 and 20137, isolated right m1s; and UW 15191, isolated left m1
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Gypsonictops hypoconus Simpson 1927 eutherian | |
? Protungulatum sp. Sloan and Van Valen 1965 condylarth apparently considered P. donnae by Van Valen 1988; this may be the only Cretaceous record of Protungulatum
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Pediomys elegans Marsh 1889 metatherian | |
Alphadon marshi Simpson 1927 metatherian | |
Reptilia | |
Compsemys victa Leidy 1856 turtle | |
Baenidae indet. Cope 1882 turtle
cf. Eubaena sp. Hay 1908 turtle | |
Adocus sp. Cope 1868 turtle | |
cf. Helopanoplia distincta Hay 1908 turtle
Plastomenus sp. Cope 1873 turtle | |
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cf. Basilemys sp. Hay 1902 turtle | |
Paraderma sp. Estes 1964 squamates | |
Odaxosaurus piger Gilmore 1928 squamates
cf. Gerrhonotus sp. Wiegmann 1828 alligator lizard | |
Exostinus lancensis Gilmore 1928 squamates | |
cf. Contogenys sp. Estes 1969 squamates | |
cf. Meniscognathus sp. Estes 1964 squamates
Leptochamops denticulatus Gilmore 1928 squamates
Chamops segnis Marsh 1892 squamates | |
Lamiasaura ferox n. gen. n. sp.5
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? Doratodon sp. Seeley 1881 crocodilian | |
Brachychampsa montana Gilmore 1911 crocodilian | |
"Leidyosuchus sternbergi" = Borealosuchus sternbergii
"Leidyosuchus sternbergi" = Borealosuchus sternbergii Gilmore 1910 crocodilian | |
Ankylosauria indet. ankylosaur | |
cf. Nodosauridae indet. Marsh 1890 ankylosaur | |
Ankylosaurus cf. magniventris Brown 1908 ankylosaurid | |
Hadrosauridae indet. Cope 1869 hadrosaurid | |
Theropoda indet. theropod
Coelurosauria indet. coelurosaur | |
Dromaeosauridae indet. Colbert and Russell 1969 maniraptoran
Dromaeosaurus sp. Matthew and Brown 1922 maniraptoran | |
Paronychodon lacustris Cope 1876 maniraptoran | |
Champsosaurus sp. Cope 1876 choristodere | |
Actinopteri | |
Lepisosteus occidentalis Leidy 1856 gar | |
Amia cf. uintaensis Leidy 1873 bowfin
Amia fragosa Jordan 1927 bowfin | |
Platacodon nanus Marsh 1889 |