Observation Quarry: Early/Lower Barstovian, Nebraska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Balaercinae indet.
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Becker 1987 | |||||||||
Mammalia
- Rodentia
- Sciuridae
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Miospermophilus bryanti
(Wilson 1960)
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Korth and Evander 2016 | |||||||||
FAM 144252, partial crushed skull with incisors, left M1 and right P3, M1–M2; UNSM 56741, P4; UNSM 56742, 56743, 56744, M1 or M2; UNSM 56745, M3; UNSM 56746, 56747, p4; UNSM 56748, m1 or m2; FAM 144250, 144251, 144253, 144254, dentaries with p4–m2; UNSM 56735, three isolated incisors. | ||||||||||
Mammalia
- Rodentia
- Heteromyidae
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Mioheteromys subterior n. sp.
Korth and Evander 2016
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Korth and Evander 2016 | 8 specimens | ||||||||
Type Specimen.—UNSM 56737, left p4. Referred Specimens.—UNSM 56738, 56739, 56740, isolated m1 or m2; UNSM 56736, UNSM 56772, isolated I1s; FAM 144258, dentary with i1, p4–m3. | ||||||||||
Mookomys altifluminus
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Korth and Evander 2016 | 2 specimens | ||||||||
UNSM 56731, partial dentary with p4; FAM 144259, partial dentary with i1, p4. | ||||||||||
Mammalia
- Rodentia
- Eomyidae
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Leptodontomys cf. stirtoni
(Lindsay 1972)
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Korth and Evander 2016 | 2 specimens | ||||||||
FAM 144256, nearly complete dentary with i1; FAM 144257, partial dentary with m1. | ||||||||||
Mammalia
- Rodentia
- Castoridae
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Monosaulax tedi n. sp.
Korth 1999
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Korth 1999 | |||||||||
Mammalia
- Rodentia
- Mylagaulidae
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Alphagaulus vetus
(Matthew 1924)
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Korth 2000 | |||||||||
Umbogaulus galushai n. sp.
Korth 2000
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Korth 2000 | |||||||||
Trilaccogaulus sp.
Korth 1992
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Korth 1999 | |||||||||
= Galbreathia bettae
Sutton and Korth 1995
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Alroy 2002 | |||||||||
replaces ID of Sutton and Korth 1995 | ||||||||||
Mammalia
- Rodentia
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Jimomys labaughi n. sp.
Wahlert 1976
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Wahlert 1976 | |||||||||
(1 measurement) | ||||||||||
Mammalia
- Rodentia
- Cricetidae
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Copemys lindsayi
Sutton and Korth 1995
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Korth and Evander 2016 | 4 specimens | ||||||||
FAM 95503, right dentary with m1–m3; UNSM 56730 left dentary with i1 and alveoli for m1–m3; UNSM 56728 left maxilla with M1–M2; UNSM 56729, left maxilla with M1–M3. | ||||||||||
Mammalia
- Lagomorpha
- Leporidae
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Hypolagus parviplicatus
Dawson 1958
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Korth and Evander 2016 | |||||||||
FAM 144448, partial dentary with p3–m2; FAM 144447, FAM 144455, FAM 144461, FAM 144476, partial dentaries with p4–m2; FAM 144463, partial dentary with p4–m1; FAM 144457, dentary lacking teeth; FAM 144454, fragments of dentary with two associated lower molariform teeth; UNSM 56749, isolated P2; FAM 144460, maxilla with P4–M1; FAM 144452, partial skull with palate and dorsal neurocranium (crushed) with left P4– M2 and right P4–M1; FAM 144459, fragmentary maxilla with two upper molariform teeth; FAM 144466, partial skull in two major pieces: ventral rostrum and palate with left P3–M2 and right P3–M1, and posterior part of skull includ- ing frontal, parietals and squamosals; UNSM 56750, FAM 144458, FAM 144472, isolated upper molariform teeth; FAM 144484, one upper and one lower molariform tooth; FAM 144475, 17 isolated upper and six lower molariform teeth; FAM 144480, three isolated p3s, 18 upper molari- form, and three lower molariform teeth; FAM 144483, ve isolated upper molariform teeth; FAM 144450, complete right femur; FAM 144449, FAM 144453, FAM 144464, par- tial or fragmentary femora; FAM 144469, partial diaphysis and distal epiphysis of left humerus; FAM 144485, metatar- sal lacking proximal epiphysis. | ||||||||||
Pronotolagus cf. albus
Voorhies and Timperley 1997
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Korth and Evander 2016 | 5 specimens | ||||||||
FAM 144483 (in part) p3; FAM 144468, dentary with p3 (unworn)–m2; FAM 144467, FAM 144467, partial dentaries with m1–m2; FAM 144480 (in part), isolated lower molariform tooth. | ||||||||||
Mammalia
- Lagomorpha
- Ochotonidae
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Oreolagus nebrascensis
McGrew 1941
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Korth and Evander 2016 | |||||||||
UNSM 56752, P3; UNSM 56753; dP3; UNSM 56754 and 56755, P4; FAM 144473, FAM 144481, FAM 144482, fragmentary maxillae with P4; UNSM 56751, dP4; UNSM 56756 to 56758, M1; FAM 144445, left and right articulated dentaries with complete dentition; FAM 144444, dentary with i1 and p4–m2; FAM 1444470, dentary with p4–m2; FAM 144439 and FAM 144441, partial dentaries with p4–m1; FAM 144442, FAM 144446, FAM 144462, FAM 144471, partial or fragmentary dentaries with m1–m2; FAM 144440, partial dentary with i1 and m1; FAM 144477, FAM 144478, par- tial or fragmentary dentary with m1; FAM 144443, FAM 144474, partial or fragmentary dentaries lacking cheek teeth; UNSM 56759, p4. | ||||||||||
Mammalia
- Erinaceidae
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Metechinus amplior
Rich 1981
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Lanthanotherium observatum n. sp.
Korth and Evander 2016
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Korth and Evander 2016 | |||||||||
Type Specimen.—FAM 140574, dentary with c1, p4–m3 (Figs. 4E–F). Referred Specimens.—FAM 74976, maxillary fragment with P2, M1; FAM 74969, maxillary fragment with P4– M1; FAM 74969, partial palate with C1, P2–M1; FAM 76691, maxilla with P4–M3; UNSM 56719, P4; UNSM 56716–56718, M1; UNSM 56715, M2; FAM 74971, 74974, 74989, 74988, 74996, 76600, 76601, partial den- tary with p4–m1; FAM 74980, 74990, 76607, 76621, par- tial dentary with p4–m2; FAM 74989, 74997, partial den- tary with p3–m1; FAM 74983, dentary with p3–m2; FAM 74986, 74994, 74998, 76603, partial dentary with m1–m2; FAM 76605, 74973, dentary with m1–m3; FAM 76608, 76614, 76619, UNSM 56721, partial dentary with m2–m3; FAM 74991, dentary with p4–m3; FAM 74981, dentary with p4, m2–m3; FAM 76602, partial dentary with m1, m3; FAM 76606, dentary with p4–m1, m3; FAM 76618, dentary with c1, p3–m1; UNSM 56733, partial dentary with p3–p4; FAM 76613, partial dentary with p2–p4; FAM 74968, 74970, 74975, 74985, 76612, fragmentary dentary with p4; FAM 74992, partial dentary with c1, p4; FAM 74972, 74978, 74987, 74995, 76609, 76610, 76617, fragmentary dentary with m1; FAM 74977, 74993, 74999, 76604, 76611, 76620, fragmentary dentary with m2; FAM 74982, 76615, fragmentary dentary with m3; UNSM 56781, fragmentary dentary with i2; UNSM 56722, 56723, 56724, isolated m1; UNSM 56720, 56726, isolated m2; UNSM 56725, isolated m3. | ||||||||||
Mammalia
- Soricidae
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Pseudotrimylus roperi
(Wilson 1960)
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Korth and Evander 2016 | |||||||||
FAM 94280, fragmentary maxilla with P4–M2 with possibly associated mandibular fragments m3; FAM 94274, dentary with i1, a2–a4, m1– m3; FAM 94269, dentary with i1, a4, and m1–m3; FAM 94266, dentary with i1, m1–m3; FAM 94264, dentary with i1, m1–m2; FAM 94277, dentary with i1, m1; FAM 94279, dentary with a4, m1–m3; FAM 94267, 94271, 94276, den- taries with m1–m3; FAM 94268, 94272, 94278, dentaries with m1–m2; FAM 94281, dentary with m1; FAM 94265, 94273, dentaries with m2–m3; FAM 94275, dentary with m2; FAM 94270, edentulous dentary; UNSM 56773, isolated i1. | ||||||||||
Alluvisorex sp.
Hutchison 1966
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Korth and Evander 2016 | 1 specimen | ||||||||
UNSM 56774, mandibular fragment with left m2. | ||||||||||
Antesorex wilsoni n. sp.
Korth and Evander 2016
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Korth and Evander 2016 | 6 specimens | ||||||||
Type Specimen.—UNSM 56779, right dentary with p4– m2 (Figs. 7E–F). Referred Specimens.—UNSM 56775, dentary with m2– m3; UNSM 56776, dentary with p4–m1; UNSM 56777, left dentary with p4–m3; UNSM 56778, dentary with m1– m2; UNSM 56780, dentary with condyle, ascending ramus and alveoli for m2–m3. | ||||||||||
Mammalia
- Plesiosoricidae
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Plesiosorex greeni
Martin and Lim 2004
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Korth and Evander 2016 | 75 specimens | ||||||||
UNSM 56700, dentary with p4– m3 and alveoli for i1–p3; FAM 74915, dentary with p4–m3; FAM 74917, dentary with p4–m1, m3; FAM 76654, dentary with i2, p4–m2; FAM 74904, 74907, 74909, 76648, 76649, 76650, 76653, 76656, 76658, dentaries with p4–m2; FAM 74910, 74911, 74916, 76659, 76661, 76663, 76666, 76667, 76669, 76670, 76682, 76683, 76687, dentaries with p4–m1; FAM 76651, dentary with p3–m4; FAM 76652, 76677, den- tary with i2, m1; FAM 76671, dentary with m1–m3; FAM 74908, 76647, 76657, 76660, 76662, 76664, 76655, 76681, 76688, dentaries with m1–m2; UNSM 56701, FAM 76689, p4; UNSM 56702, FAM 74912, 76665, 76668, 76672, 76674, 76679, 76684, 76686, 76690, m1; UNSM 56703, 56704, 56705, FAM 74919, 76685, 76678, 76680, 76675, m2; FAM 76676, m3; FAM 144249, rostrum of skull with left I1, C, P3–P4 and right I1–I2, P3; FAM 74905, palate with right P3–P4, and left P3–M1; FAM 74904, 74920, maxillae with P4–M2; FAM 74902, maxilla with P3–M1; UNSM 56706–56708, P4; UNSM 56709–56712, 56734, M1; UNSM 56713, 56714, M2. | ||||||||||
Mammalia
- Talpidae
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Scalopoides hutchisoni n. sp.
Korth and Evander 2016
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Korth and Evander 2016 | 7 specimens | ||||||||
Type Specimen.—FAM 144656, right dentary with p2– m2 (Figs. 9A–B). Referred Specimens.—UNSM 56727, right partial den- tary with angle, base of ascending ramus and m3; FAM 144651, 144653, 144654, 144655, partial dentaries with m1–m3; FAM 144652, partial dentary with m2. | ||||||||||
Mammalia
- Chiroptera
- Vespertilionidae
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cf. Myotis indet.
Kaup 1829
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Korth and Evander 2016 | 1 specimen | ||||||||
UNSM 56782, left dentary with alveoli for c1–m2. | ||||||||||
Mammalia
- Perissodactyla
- Rhinocerotidae
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Aphelops megalodus
(Cope 1873)
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Prothero 2005 | |||||||||
Teleoceras medicornutum
Osborn 1904
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Prothero 2005 | |||||||||
Mammalia
- Perissodactyla
- Chalicotheriidae
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Chalicotheriidae indet.
Gill 1872
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Coombs 2004 | |||||||||
Tylocephalonyx sp.
Coombs 1979
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Korth and Evander 2016 | |||||||||
cited to Coombs (2004) | ||||||||||
Mammalia
- Perissodactyla
- Equidae
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Anchitherium sp.
von Meyer 1844
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Korth and Evander 2016 | |||||||||
cited to Dingus (1990) | ||||||||||
Mammalia
- Tayassuidae
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Dyseohyus stirtoni
Woodburne 1969
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Woodburne 1969 | |||||||||
synonym of Stirtonhyus xiphodonticus | ||||||||||
also includes "Cynorca proterva" of Woodburne 1969 (1 measurement) | ||||||||||
Mammalia
- Camelidae
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Poebrotherium eximium
Hay 1902
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Korth and Evander 2016 | |||||||||
cited to Prothero (2008) | ||||||||||
Mammalia
- Protoceratidae
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Prosynthetoceras siouxensis n. sp.
(Frick 1937)
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Patton and Taylor 1971 | |||||||||
recombined as Lambdoceras siouxensis | ||||||||||
of "P. siouxensis dawesensis" | ||||||||||
Mammalia
- Moschidae
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Blastomeryx cf. elegans
Matthew and Cook 1909
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Frick 1937 | |||||||||
synonym of Blastomeryx gemmifer | ||||||||||
Mammalia
- Palaeomerycidae
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Bouromeryx supernebrascensis n. sp.
(Frick 1937)
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Frick 1937 | |||||||||
synonym of Bouromeryx americanus | ||||||||||
also "B. pseudonebrascensis" type Frick 1937; see also Voorhies 1990 | ||||||||||
Dromomeryx whitfordi
Sinclair 1915
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Frick 1937 | |||||||||
synonym of Dromomeryx borealis | ||||||||||
Drepanomeryx matthewi n. sp.
Frick 1937
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Frick 1937 | |||||||||
synonym of Drepanomeryx falciformis | ||||||||||
Mammalia
- Leptomerycidae
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Parablastomeryx scotti n. sp.
Frick 1937
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Frick 1937 | |||||||||
recombined as Pseudoparablastomeryx scotti | ||||||||||
see also Taylor and Webb 1976 | ||||||||||
Mammalia
- Merycoidodontidae
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Ticholeptus hypsodus
Loomis 1924
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Schultz and Falkenbach 1941 | |||||||||
synonym of Ticholeptus zygomaticus | ||||||||||
Merychyus relictus
(Matthew and Cook 1909)
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Schultz and Falkenbach 1947 | |||||||||
Brachycrus siouense
(Sinclair 1915)
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Schultz and Falkenbach 1940 | |||||||||
Mammalia
- Carnivora
- Felidae
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Pseudaelurus marshi
Thorpe 1922
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Korth and Evander 2016 | |||||||||
cited to Rothwell (2003) | ||||||||||
Pseudaelurus stouti
(Schultz and Martin 1972)
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Korth and Evander 2016 | |||||||||
cited to Rothwell (2003) | ||||||||||
Mammalia
- Carnivora
- Amphicyonidae
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Pliocyon sp.
Matthew 1918
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Hunt 1998 | |||||||||
Mammalia
- Carnivora
- Procyonidae
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Arctonasua minima n. sp.
Baskin 1982
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Baskin 1982 | |||||||||
Rhapsodus tedfordi n. sp.
Linares 1981
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Baskin 1989 | |||||||||
synonym of Probassariscus matthewi | ||||||||||
(7 measurements) | ||||||||||
Bassariscus minimus n. sp.
Baskin 2004
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Baskin 2004 | |||||||||
definitely not the same as "Rhapsodus tedfordi" or Arctonasua minima | ||||||||||
Mammalia
- Carnivora
- Mustelidae
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Brachypsalis obliquidens
Sinclair 1915
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Korth and Evander 2016 | |||||||||
cited to Prothero et al. (2008) | ||||||||||
Leptarctus oregonensis
Stock 1930
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Calede et al. 2017 | 1 specimen | ||||||||
Mammalia
- Carnivora
- Canidae
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Leptocyon leidyi
Tedford et al. 2009
|
Tedford et al. 2009 | |||||||||
Cynarctoides acridens
(Barbour and Cook 1914)
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Wang et al. 1999 | |||||||||
Paracynarctus sinclairi
Wang et al. 1999
|
Wang et al. 1999 | |||||||||
Tomarctus hippophaga
(Matthew and Cook 1909)
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Wang et al. 1999 | |||||||||
Reptilia
- Charadriiformes
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Charadriiformes indet.
(Huxley 1867)
|
Becker 1987 | |||||||||
Reptilia
- Falconidae
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Pediohierax ramenta n. gen., n. sp.
(Wetmore 1936)
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Becker 1987 | |||||||||
"Falco ramenta" type of Wetmore 1936 from "Merychippus quarry" | ||||||||||
Reptilia
- Accipitriformes
- Accipitridae
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Accipitridae indet.
Viellot 1816
|
Becker 1987 | |||||||||
Reptilia
- Passeriformes
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Passeriformes indet.
Linnaeus 1758
|
Becker 1987 | |||||||||
Reptilia
- Strigiformes
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Strigiformes indet.
Wagler 1830
|
Becker 1987 | |||||||||
Reptilia
- Anseriformes
- Anatidae
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? Anatinae indet.
Vigors 1825
|
Becker 1987 | |||||||||
Reptilia
- Pelecaniformes
- Ardeidae
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Ardea sp.
Linnaeus 1758
|
Becker 1986 | |||||||||
Reptilia
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Galliformes indet.
(Temminck 1820)
|
Becker 1987 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Nebraska | County: | Dawes |
Coordinates: | 42.7° North, 102.9° West (view map) | ||||
Paleocoordinates: | 43.3° North, 99.6° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Miocene |
10 m.y. bin: | Cenozoic 5 | ||
*Period: | Tertiary | *Epoch: | Middle Miocene |
*International age/stage: | Langhian | *Local age/stage: | Early/Lower Barstovian |
Key time interval: | Early/Lower Barstovian | ||
Age range of interval: | 15.97000 - 13.60000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Local section: | ObsQu | Local bed: | 2 | ||
Local order: | bottom to top | ||||
Stratigraphy comments: Olcott Formation equivalent |
Lithology and environment
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some genera |
Reason for describing collection: | taxonomic analysis |
Taxonomic list comments:directly overlies the Box Butte Fm. NW 1/4 NW 1/4 SE 1/4 sec 4 T31N R47W: Woodburne 1969 a channel deposit equated with the Olcott Fm. on faunistic grounds only: Rich 1981 |
Metadata
Database number: | 17976 | ||
Authorizer: | J. Alroy, P. Holroyd, M. Uhen, J. Marcot, J. Zijlstra | Enterer: | J. Alroy, J. Marcot, J. Zijlstra, P. Holroyd, M. Uhen |
Modifier: | J. Alroy | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2007-08-17 00:11:50 |
Access level: | the public | Released: | 1993-02-18 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
2897. | T. H. V. Rich. 1981. Origin and History of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [J. Alroy/J. Alroy/P. Mannion] |
Secondary references:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
1028 | 5% 29740 | J. A. Baskin. 1982. Tertiary Procyoninae (Mammalia: Carnivora) of North America. Journal of Vertebrate Paleontology 2(1):71-93 [J. Alroy/J. Alroy/J. Alroy] |
1030 | J. A. Baskin. 1989. Comments on New World Tertiary Procyonidae (Mammalia: Carnivora). Journal of Vertebrate Paleontology 9(1):110-117 [J. Alroy/J. Alroy/J. Marcot] | |
40876 | J. A. Baskin. 2004. Bassariscus and Probassariscus (Mammalia, Carnivora, Procyonidae) from the early Barstovian (Middle Miocene). Journal of Vertebrate Paleontology 24(3):709-720 [J. Alroy/J. Alroy] | |
25088 | J. J. Becker. 1986. An early heron (Aves, Ardeidae, Ardea) from the Middle Miocene of Nebraska. Journal of Paleontology 60(4):968-970 [J. Alroy/J. Alroy/J. Alroy] | |
25721 | J. J. Becker. 1987. Revision of "Falco" ramenta Wetmore and the Neogene evolution of the Falconidae. Auk 104(2):270-276 [J. Alroy/J. Alroy] | |
75080 | J. J. Becker. 1987. Neogene Avian Localities of North America 1-171 [M. Uhen/M. Uhen/M. Uhen] | |
64843 | J. J. Calede, W. A. Kehl, and E. B. Davis. 2017. Craniodental morphology and diet of Leptarctus oregonensis (Mammalia, Carnivora, Mustelidae) from the Mascall Formation (Miocene) of central Oregon. Journal of Paleontology 1-16 [P. Holroyd/P. Holroyd] | |
17216 | M. C. Coombs. 2004. Moropus merriami in the early Barstovian Lower Snake Creek fauna of Nebraska, with comments on biogeography of North American chalicotheres. Bulletin of the American Museum of Natural History 285:191-208 [J. Alroy/J. Alroy] | |
6222 | C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen] | |
1977 | R. M. Hunt, Jr. 1998. Amphicyonidae. 196-227 [J. Alroy/J. Alroy/J. Alroy] | |
2138 | W. W. Korth. 1999. A new species of beaver (Rodentia, Castoridae) from the earliest Barstovian (Miocene) of Nebraska and the phylogeny of Monosaulax Stirton. Paludicola 2(3):258-264 [J. Alroy/J. Alroy/M. Uhen] | |
2139 | W. W. Korth. 1999. A new genus of derived promylagauline rodent (Mylagaulidae) from the Miocene (Late Hemingfordian-Early Barstovian). Journal of Vertebrate Paleontology 19(4):752-756 [J. Alroy/J. Alroy/J. Alroy] | |
2143 | W. W. Korth. 2000. Review of Miocene (Hemingfordian to Clarendonian) mylagaulid rodents (Mammalia) from Nebraska. Annals of Carnegie Museum 69(4):227-280 [J. Alroy/J. Alroy/J. Marcot] | |
58390 | W. W. Korth and R. L. Evander. 2016. Lipotyphla, Chiroptera, Lagomorpha, and Rodentia (Mammalia) from Observation Quarry, Earliest Barstovian (Miocene), Dawes County, Nebraska. Annals of Carnegie Museum 83(3):219-254 [J. Zijlstra/J. Zijlstra] | |
2739 | T. H. Patton and B. E. Taylor. 1971. The Synthetoceratinae (Mammalia, Tylopoda, Protoceratidae). Bulletin of the American Museum of Natural History 145(2):119-218 [J. Alroy/J. Alroy/B. Beatty] | |
51726 | D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot] | |
3062 | C. B. Schultz and C. H. Falkenbach. 1940. Merycochoerinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 77(5):213-306 [J. Alroy/J. Alroy/J. Marcot] | |
3063 | C. B. Schultz and C. H. Falkenbach. 1941. Ticholeptinae, a new subfamily of oreodonts. Bulletin of the American Museum of Natural History 79(1):1-105 [J. Alroy/J. Alroy/J. Marcot] | |
3064 | C. B. Schultz and C. H. Falkenbach. 1947. Merychyinae, a subfamily of oreodonts. Bulletin of the American Museum of Natural History 88(4):157-286 [J. Alroy/J. Alroy/J. Marcot] | |
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