Annie's Geese Crossing Quarry (Miocene of the United States)

Also known as Crocodilian Locality B; UNSM Kx-110

Where: Knox County, Nebraska (42.5° N, 98.1° W: paleocoordinates 43.0° N, 94.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Crookston Bridge Member (Valentine Formation), Barstovian (16.0 - 13.6 Ma)

• "late Barstovian"

• bed-level stratigraphic resolution

Environment/lithology: fluvial; argillaceous conglomerate and sandstone

• "a thin lens of clayball conglomerate" within "cross-bedded sands" (Voorhies 1971)

Size classes: macrofossils, mesofossils

Collected by M. R. Voorhies; reposited in the UNSM

Collection methods: bulk, sieve,

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18031: authorized by John Alroy, entered by John Alroy on 15.05.2002, edited by Chris Bell and Jason Head

Creative Commons license: CC BY (attribution)

Taxonomic list

• preliminary mammal list of Voorhies 1971: Monosaulax, Teleoceras, "Merychippus," Merycodus, Procamelus?, Aelurodon, Domninoides, Hypolagus, Mylagaulus, Megasminthus, "several genera of heteromyids"
Reptilia
 Loricata -
Crocodylia indet. crocodilian
"crocodilian"; tooth, dorsal plate
 Squamata - Scincidae
Eumeces sp.7 Wiegmann 1834 skink
 Squamata - Colubridae
Thamnophis sp.3 Fitzinger 1843 garter snake
Paleoheterodon tiheni3 Holman 1964 colubrid snake
Elaphe sp.3 Wagler 1833 colubrid snake
 Squamata - Iguanidae
Leiocephalus septentrionalis n. sp.7 curly-tailed lizard
Holotype UNSM 56085, left dentary
Sceloporus sp.7 Wiegmann 1828 spiny lizard
Mammalia
 Proboscidea - Gomphotheriidae
"Gomphotherium cf. willistoni" = Trilophodon osborni1
"Gomphotherium cf. willistoni" = Trilophodon osborni1 Barbour 1916 gomphothere
 Chiroptera - Vespertilionidae
Potamonycteris biperforatus n. gen. n. sp.2 Czaplewski 1991 vesper bat
a bat
cf. Myotis sp.2 Kaup 1829 vesper bat
a bat
 Carnivora - Mustelidae
"Hypsoparia cf. bozemanensis" = Leptarctus primus1, Miomustela madisonae6
"Hypsoparia cf. bozemanensis" = Leptarctus primus1 Leidy 1856 mustelid carnivore
Miomustela madisonae6 Douglass 1929 mustelid carnivore
 Carnivora - Canidae
Borophaginae indet.1 Simpson 1945 bone-crushing dog
Aelurodon ferox6 Leidy 1858 bone-crushing dog
Leptocyon vafer6 Leidy 1858 canine
 Perissodactyla - Equidae
Megahippus cf. mckennai6 Tedford and Alf 1962 anchitheriine horse
Protohippus perditus6 Leidy 1858 horse
Calippus placidus6 Leidy 1869 horse
Hipparionini indet.1 Quinn 1955 hipparionine horse
 Perissodactyla - Rhinocerotidae
Teleoceras sp.1 Hatcher 1894 rhinoceros
Peraceras sp.6 Cope 1880 rhinoceros
 Artiodactyla - Camelidae
Procamelus occidentalis6 Leidy 1858 camel
 Artiodactyla - Merycoidodontidae
"Merychyus medius" = Ustatochoerus medius1
"Merychyus medius" = Ustatochoerus medius1 Leidy 1858 oreodont
 Artiodactyla - Antilocapridae
Merycodus warreni6 Leidy 1858 pronghorn
 Theriamorpha - Plesiosoricidae
Plesiosorex donroosai6 Green 1977 placental
 Theriamorpha - Soricidae
Alluvisorex sp.6 Hutchison 1966 shrew
 Theriamorpha - Talpidae
Mystipterus sp.6 Hall 1930 mole
 Theriamorpha - Erinaceidae
Parvericius montanus6 Koerner 1940 hedgehog
Untermannerix copiosus6 Rich 1981 hedgehog
Metechinus amplior6 Rich 1981 hedgehog
 Rodentia - Sciuridae
"Tamiini indet." = Marmotini1
"Tamiini indet." = Marmotini1 squirrel
 Rodentia - Castoridae
Monosaulax curtus6 Matthew and Cook 1909 beaver
 Rodentia - Heteromyidae
Cupidinimus nebraskensis6 Wood 1935 rodent
Mioheteromys amplissimus4 Korth 1997 rodent
Perognathus trojectioansrum6 Korth 1979 pocket mouse
Perognathus brevidens6 Korth 1987 pocket mouse
 Rodentia - Geomyidae
"Phelosaccomys annae" = Parapliosaccomys annae1
"Phelosaccomys annae" = Parapliosaccomys annae1 Korth 1987 pocket gopher
 Rodentia - Cricetidae
"Copemys niobrariensis" = Copemys longidens6
"Copemys niobrariensis" = Copemys longidens6 Hall 1930 mouse
 Rodentia - Zapodidae
Schaubeumys cartomylos6 Korth 1987 jumping mouse
Megasminthus tiheni6 Klingener 1966 jumping mouse
 Rodentia - Mylagaulidae
Mylagaulidae indet.5 Cope 1881 rodent
 Lagomorpha - Ochotonidae
Russellagus vonhofi6 Storer 1970 pika
Hesperolagomys fluviatilis6 Storer 1970 pika
 Lagomorpha - Leporidae
Hypolagus parviplicatus6 Dawson 1958 rabbit
Amphibia
 Salientia - Pelobatidae
Scaphiopus sp.3 Holbrook 1836 spadefoot toad
 Salientia - Bufonidae
Bufo sp.3 Laurenti 1768 toad
 Salientia - Ranidae
Rana sp. Linnaeus 1758 frog
 Salientia - Hylidae
Hyla sp.3 Laurenti 1768 tree frog
Actinopteri
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar
 Acanthomorphata - Sciaenidae
Aplodinotus sp. Rafinesque 1818
 Siluriformes - Ictaluridae
Ictalurus sp. Rafinesque 1820 catfish