Annie's Geese Crossing Quarry: Barstovian, Nebraska
collected by M. R. Voorhies

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
2 specimens
"crocodilian"; tooth, dorsal plate
Reptilia - Scincidae
Eumeces sp. Wiegmann 1834
Wellstead 1982
Reptilia - Colubridae
Thamnophis sp. Fitzinger 1843
Holman 1981
Paleoheterodon tiheni Holman 1964
Holman 1981
Elaphe sp. Wagler 1833
Holman 1981
Reptilia - Iguanidae
Leiocephalus septentrionalis n. sp.
Wellstead 1982
Holotype UNSM 56085, left dentary
Sceloporus sp. Wiegmann 1828
Wellstead 1982
Mammalia - Proboscidea - Gomphotheriidae
Gomphotherium cf. osborni (Barbour 1916)
Voorhies 1990
    = Gomphotherium cf. willistoni Barbour 1914
Alroy 2002
synonym of Trilophodon osborni
Mammalia - Chiroptera - Vespertilionidae
Potamonycteris biperforatus n. gen., n. sp. Czaplewski 1991
Czaplewski 1991
a bat
cf. Myotis sp. Kaup 1829
Czaplewski 1991
a bat
Mammalia - Carnivora - Mustelidae
Leptarctus cf. bozemanensis (Dorr 1954)
Voorhies 1990
    = Hypsoparia cf. bozemanensis Dorr 1954
Alroy 2002
synonym of Leptarctus primus
Miomustela madisonae (Douglass 1929)
Voorhies 1990
Mammalia - Carnivora - Canidae
Tomarctus sp. Cope 1873
Voorhies 1990
    = Borophaginae indet. Simpson 1945
Alroy 2002
Aelurodon ferox Leidy 1858
Voorhies 1990
Leptocyon vafer (Leidy 1858)
Voorhies 1990
Mammalia - Perissodactyla - Equidae
Megahippus cf. mckennai Tedford and Alf 1962
Voorhies 1990
Protohippus perditus (Leidy 1858)
Voorhies 1990
Calippus placidus (Leidy 1869)
Voorhies 1990
Neohipparion republicanus (Osborn 1918)
Voorhies 1990
    = Hipparionini indet. Quinn 1955
Alroy 2002
Mammalia - Perissodactyla - Rhinocerotidae
Teleoceras cf. medicornutum Osborn 1904
Voorhies 1990
    = Teleoceras sp. Hatcher 1894
Alroy 2002
status unclear in light of Mead 1999b
Peraceras sp. Cope 1880
Voorhies 1990
Mammalia - Camelidae
Procamelus occidentalis Leidy 1858
Voorhies 1990
Mammalia - Merycoidodontidae
Ustatochoerus medius (Leidy 1858)
Voorhies 1990
    = Merychyus medius Leidy 1858
Alroy 2002
recombined as Ustatochoerus medius
Mammalia - Antilocapridae
Merycodus warreni (Leidy 1858)
Voorhies 1990
Mammalia - Plesiosoricidae
Plesiosorex donroosai Green 1977
Voorhies 1990
Mammalia - Soricidae
Alluvisorex sp. Hutchison 1966
Voorhies 1990
Mammalia - Talpidae
Domninoides valentinensis Reed 1962
Voorhies 1990
Mystipterus sp. Hall 1930
Voorhies 1990
Mammalia - Erinaceidae
Parvericius montanus Koerner 1940
Voorhies 1990
Untermannerix copiosus Rich 1981
Voorhies 1990
Metechinus amplior Rich 1981
Voorhies 1990
Mammalia - Rodentia - Sciuridae
Eutamias sp. Trouessart 1880
Voorhies 1990
    = Tamiini indet.
Alroy 2002
synonym of Marmotini
Mammalia - Rodentia - Castoridae
Monosaulax curtus (Matthew and Cook 1909)
Voorhies 1990
Mammalia - Rodentia - Heteromyidae
Cupidinimus nebraskensis Wood 1935
Voorhies 1990
Mioheteromys amplissimus Korth 1997
Korth 1997
Perognathus trojectioansrum Korth 1979
Voorhies 1990
Perognathus brevidens Korth 1987
Voorhies 1990
Mammalia - Rodentia - Geomyidae
Parapliosaccomys annae Korth 1987
Voorhies 1990
    = Phelosaccomys annae Korth 1987
Alroy 2002
original and current combination Parapliosaccomys annae
Mammalia - Rodentia - Cricetidae
Copemys niobrariensis (Hoffmeister 1959)
Voorhies 1990
synonym of Copemys longidens
Mammalia - Rodentia - Zapodidae
Schaubeumys cartomylos Korth 1987
Voorhies 1990
Megasminthus tiheni Klingener 1966
Voorhies 1990
(6 measurements)
Mammalia - Rodentia - Mylagaulidae
Mylagaulus cf. monodon Cope 1881
Voorhies 1990
    = Mylagaulidae indet. Cope 1881
Korth 2000
Mammalia - Lagomorpha - Ochotonidae
Russellagus vonhofi Storer 1970
Voorhies 1990
Hesperolagomys fluviatilis Storer 1970
Voorhies 1990
Mammalia - Lagomorpha - Leporidae
Hypolagus parviplicatus Dawson 1958
Voorhies 1990
Amphibia - Temnospondyli - Pelobatidae
Scaphiopus sp. Holbrook 1836
Holman 1981
Amphibia - Temnospondyli - Bufonidae
Bufo sp. Laurenti 1768
Holman 1981
Amphibia - Temnospondyli - Ranidae
Rana sp. Linnaeus 1758
Amphibia - Temnospondyli - Hylidae
Hyla sp. Laurenti 1768
Holman 1981
Actinopteri - Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843
Actinopteri - Sciaenidae
Aplodinotus sp. Rafinesque 1818
Actinopteri - Siluriformes - Ictaluridae
Ictalurus sp. Rafinesque 1820
see common names

Geography
Country:United States State/province:Nebraska County:Knox
Coordinates: 42.5° North, 98.1° West (view map)
Paleocoordinates:43.0° North, 94.8° West
Basis of coordinate:stated in text
Geographic resolution:small collection
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Barstovian
Age range of interval:15.97000 - 13.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Ogallala Formation:Valentine Member:Crookston Bridge
Local section:ValAH Local bed:2
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: "late Barstovian"
Lithology and environment
Primary lithology: argillaceous conglomerate
Secondary lithology:"cross stratification" sandstone
Includes fossils?Y
Lithology description: "a thin lens of clayball conglomerate" within "cross-bedded sands" (Voorhies 1971)
Environment:fluvial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Associated major elements:some
Disassociated minor elements:many
Spatial resolution:allochthonous
Collection methods and comments
Collection methods:bulk,sieve,field collection,survey of museum collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:UNSM
Collectors:M. R. Voorhies
Taxonomic list comments:preliminary mammal list of Voorhies 1971: Monosaulax, Teleoceras, "Merychippus," Merycodus, Procamelus?, Aelurodon, Domninoides, Hypolagus, Mylagaulus, Megasminthus, "several genera of heteromyids"
Metadata
Also known as:Crocodilian Locality B; UNSM Kx-110
Database number:18031
Authorizer:J. Alroy, J. Head, C. Bell Enterer:J. Alroy, J. Head, C. Bell
Modifier:M. Carrano Research group:vertebrate
Created:2002-05-15 00:00:00 Last modified:2020-01-23 17:17:17
Access level:the public Released:2002-05-15 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

24880. M. R. Voorhies. 1971. Paleoclimatic significance of crocodilian remains from the Ogallala Group (upper Tertiary) in northeastern Nebraska. Journal of Paleontology 45(1):119-121 [J. Alroy/J. Alroy]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1294 N. J. Czaplewski. 1991. Miocene bats from the lower Valentine Formation of northeastern Nebraska. Journal of Mammalogy 72(4):715-722 [J. Alroy/J. Alroy/J. Alroy]
45618 J. A. Holman. 1981. Fossil Amphibians and reptiles of Nebraska and Kansas. National Geographic Society Research Reports 13:253-262 [J. Head/J. Head]
2132 W. W. Korth. 1997. A new subfamily of primitive pocket mice (Rodentia, Heteromyidae) from the middle Tertiary of North America. Paludicola 1(2):33-66 [J. Alroy/J. Alroy/J. Marcot]
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]
3510 M. R. Voorhies. 1990. Vertebrate biostratigraphy of the Ogallala Group in Nebraska. In T. C. Gustavson (ed.), Geologic Framework and Regional Hydrology: Upper Cenozoic Blackwater Draw and Ogallala Formations, Great Plains 115-151 [J. Alroy/J. Alroy/J. Marcot]
43537 C. F. Wellstead. 1982. Lizards from the lower Valentine Formation (Miocene) of northern Nebraska. Journal of Herpetology 16(4):364-375 [C. Bell/C. Bell/C. Bell]