Anceney (Miocene of the United States)

Where: Gallatin County, Montana (45.9° N, 111.3° W: paleocoordinates 46.6° N, 108.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Madison Valley Formation, Early/Lower Barstovian (16.0 - 13.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: "channel"; tuffaceous, gray, argillaceous sandstone

• "channel-fill of gray volcanic ash" (Lim and Martin 2002) or "channel accumulations of sands, gravel, clays and tuffaceous materials" (Sutton and Korth 1995)

Size classes: macrofossils, mesofossils

Reposited in the CM

Collection methods: bulk, sieve

Primary reference: J. F. Sutton and W. W. Korth. 1995. Rodents (Mammalia) from the Barstovian (Miocene) Anceney local fauna, Montana. Annals of Carnegie Museum 64(4):267-314 [J. Alroy/J. Alroy/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18803: authorized by John Alroy, entered by John Alroy on 18.02.1993, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

• earlier Madison Valley Fm. lists do not pertain to this locality except that of Dorr 1956

•single screenwashing quarry in a roadcut; formation includes 172 m of section

•originally described in: Sutton, John F. 1977 (Dec.) Mammals of the Anceney local fauna (Late Miocene of Montana. Ph.D. dissertation, Texas Tech University, Lubbock, Texas. 257 pp.

Osteichthyes
 Salientia - Pelobatidae
Spea neuter3 Kluge 1966 spadefoot toad
Mammalia
 Rodentia - Cricetidae
Copemys lindsayi n. sp. Sutton and Korth 1995 mouse
 Rodentia - Sciuridae
Spermophilus (Otospermophilus) jerae n. sp. Sutton and Korth 1995 ground squirrel
"Tamiini indet." = Marmotini1 squirrel
? Cynomys sp. Rafinesque 1817 prairie dog
 Rodentia - Geomyidae
"Phelosaccomys cf. annae" = Parapliosaccomys annae
"Phelosaccomys cf. annae" = Parapliosaccomys annae Korth 1987 pocket gopher
 Rodentia - Heteromyidae
"Cupidinimus madisonensis" = Cupidinimus halli, "Perognathoides madisonensis n. sp." = Cupidinimus halli2, "Cupidinimus cf. eurekensis" = Perognathoides eurekensis, Mookomys thrinax n. sp., "Proheteromys cf. formicarum" = Mookomys formicarum1, Peridiomys halis n. sp., Perognathus sp., Perognathus ancenensis n. sp.
"Cupidinimus madisonensis" = Cupidinimus halli Wood 1936 rodent
"Perognathoides madisonensis n. sp." = Cupidinimus halli2 Wood 1936 rodent
"Cupidinimus cf. eurekensis" = Perognathoides eurekensis Lindsay 1972 rodent
Mookomys thrinax n. sp. Sutton and Korth 1995 rodent
"Proheteromys cf. formicarum" = Mookomys formicarum1 Wood 1935 rodent
Peridiomys halis n. sp. Sutton and Korth 1995 rodent
Perognathus sp. Maximillian 1839 pocket mouse
Perognathus ancenensis n. sp. Sutton and Korth 1995 pocket mouse
 Rodentia - Castoridae
Euroxenomys inconnexus n. sp. Sutton and Korth 1995 beaver
Monosaulax ? pansus2 Cope 1874 beaver
 Rodentia - Mylagaulidae
Galbreathia bettae1 Sutton and Korth 1995 rodent
? Mesogaulus cf. ballensis2 Riggs 1899 rodent
Alphagaulus pristinus5 Douglass 1903 rodent
 Lagomorpha - Leporidae
Leporidae indet. Fischer de Waldheim 1817 rabbit
 Lagomorpha - Ochotonidae
Oreolagus nevadensis Kellogg 1910 pika
 Lipotyphla - Erinaceidae
Brachyerix incertis Matthew 1924 hedgehog
also mentioned by Rich 1981
 Lipotyphla - Talpidae
Domninoides sp. Green 1956 mole
said to be new
 Perissodactyla - Rhinocerotidae
Peraceras superciliosum1 Cope 1880 rhinoceros
 Perissodactyla - Tapiridae
Tapiridae indet. Gray 1821 tapir
 Perissodactyla - Equidae
Scaphohippus sp.6 Pagnac 2006 horse
Hypohippus cf. osborni Gidley 1907 anchitheriine horse
 Tribosphenida - Soricidae
Limnoecus sp. Stirton 1930 shrew
said to be new
Angustidens cf. vireti Wilson 1960 shrew
 Carnivora - Mustelidae
"Hypsoparia bozemanensis n. gen. n. sp." = Leptarctus primus, Martes sp.2, Martes cf. kinseyi, Plionictis ogygia, ? Mionictis sp.
"Hypsoparia bozemanensis n. gen. n. sp." = Leptarctus primus Leidy 1856 mustelid carnivore
listed as "Leptarctus primus," but this actually includes the type of "Hypsoparia bozemanensis" of Dorr 1956
Martes sp.2 Frisch 1775 marten
Martes cf. kinseyi Gidley 1927 marten
Plionictis ogygia Matthew 1901 mustelid carnivore
? Mionictis sp. Matthew 1924 badger
 Carnivora - Canidae
Aelurodon cf. ferox1 Leidy 1858 bone-crushing dog
Paratomarctus temerarius1 Leidy 1858 bone-crushing dog
 Chiroptera - Vespertilionidae
Ancenycteris rasmusseni vesper bat
a bat
 Ungulata - Merycoidodontidae
Ticholeptus zygomaticus4 Cope 1878 oreodont
 Ungulata - Camelidae
Camelidae indet.2 Gray 1821 camel
Stenomylinae indet. Matthew 1910 camel
 Ungulata - Antilocapridae
Merycodus cf. necatus Leidy 1854 pronghorn
 Ungulata - Moschidae
"Blastomeryx cf. elegans" = Blastomeryx gemmifer
"Blastomeryx cf. elegans" = Blastomeryx gemmifer Cope 1874 musk deer