Anceney (Miocene of the United States)

Where: Gallatin County, Montana (45.9° N, 111.3° W: paleocoordinates 46.6° N, 108.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Madison Valley Formation, Early/Lower Barstovian (16.3 - 12.5 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.

Mammalia
 Chiroptera - Vespertilionidae
Ancenycteris rasmusseni vesper bat
a bat
 Artiodactyla - Antilocapridae
Merycodus cf. necatus Leidy 1854 pronghorn
 Artiodactyla - Moschidae
"Blastomeryx cf. elegans" = Blastomeryx gemmifer
"Blastomeryx cf. elegans" = Blastomeryx gemmifer Cope 1874 musk deer
 Artiodactyla - Merycoidodontidae
Ticholeptus zygomaticus4 Cope 1878 oreodont
 Artiodactyla - Camelidae
Camelidae indet.2 Gray 1821 camel
Stenomylinae indet. Matthew 1910 camel
 Perissodactyla - Equidae
Scaphohippus sp.6 Pagnac 2006 horse
Hypohippus cf. osborni Gidley 1907 anchitheriine horse
 Perissodactyla - Rhinocerotidae
"? Aphelops ceratorhinus" = Peraceras profectum
"? Aphelops ceratorhinus" = Peraceras profectum Matthew 1899 rhinoceros
 Perissodactyla - Tapiridae
Tapiridae indet. Gray 1821 tapir
 Carnivora - Canidae
"Tomarctus temerarius" = Paratomarctus temerarius, "Aelurodon cf. wheelerianus" = Aelurodon ferox
"Tomarctus temerarius" = Paratomarctus temerarius Leidy 1858 bone-crushing dog
not discussed by Wang et al. 1999
"Aelurodon cf. wheelerianus" = Aelurodon ferox Leidy 1858 bone-crushing dog
 Carnivora - Mustelidae
"Hypsoparia bozemanensis n. gen. n. sp." = Leptarctus primus, ? Mionictis sp., Plionictis ogygia, "Martes cf. kinseyi" = Plionictis kinseyi, Martes sp.2
"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
? Mionictis sp. Matthew 1924 otter
Plionictis ogygia Matthew 1901 mustelid carnivore
"Martes cf. kinseyi" = Plionictis kinseyi Gidley 1927 mustelid carnivore
Martes sp.2 Frisch 1775 marten
 Theriamorpha - Talpidae
Domninoides sp. Green 1956 mole
said to be new
 Theriamorpha - Soricidae
Angustidens cf. vireti Wilson 1960 shrew
Limnoecus sp. Stirton 1930 shrew
said to be new
 Theriamorpha - Erinaceidae
"Brachyerix incertis" = Metechinus fergusoni
"Brachyerix incertis" = Metechinus fergusoni Henshaw 1942 hedgehog
also mentioned by Rich 1981
 Rodentia - Heteromyidae
"Cupidinimus cf. eurekensis" = Perognathoides eurekensis, "Cupidinimus madisonensis" = Cupidinimus halli, "Perognathoides madisonensis n. sp." = Cupidinimus halli2, Perognathus sp., Perognathus ancenensis n. sp., Mookomys formicarum, Mookomys thrinax n. sp., Peridiomys halis n. sp.
"Cupidinimus cf. eurekensis" = Perognathoides eurekensis Lindsay 1972 rodent
"Cupidinimus madisonensis" = Cupidinimus halli Wood 1936 rodent
"Perognathoides madisonensis n. sp." = Cupidinimus halli2 Wood 1936 rodent
Perognathus sp. Maximillian 1839 pocket mouse
Perognathus ancenensis n. sp. Sutton and Korth 1995 pocket mouse
Mookomys formicarum Wood 1935 rodent
Mookomys thrinax n. sp. Sutton and Korth 1995 rodent
Peridiomys halis n. sp. Sutton and Korth 1995 rodent
 Rodentia - Geomyidae
"Phelosaccomys cf. annae" = Parapliosaccomys annae
"Phelosaccomys cf. annae" = Parapliosaccomys annae Korth 1987 pocket gopher
 Rodentia - Castoridae
Monosaulax ? pansus2 Cope 1874 beaver
Euroxenomys inconnexus n. sp. Sutton and Korth 1995 beaver
 Rodentia - Sciuridae
"Tamiini indet." = Marmotini1 squirrel
? Cynomys sp. Rafinesque 1817 prairie dog
Spermophilus (Otospermophilus) jerae n. sp. Sutton and Korth 1995 ground squirrel
 Rodentia - Cricetidae
Copemys lindsayi n. sp. Sutton and Korth 1995 mouse
 Rodentia - Mylagaulidae
? Mesogaulus cf. ballensis2 Riggs 1899 rodent
Alphagaulus pristinus5 Douglass 1903 rodent
"Trilaccogaulus bettae n. sp." = Galbreathia bettae Sutton and Korth 1995 rodent
 Lagomorpha - Leporidae
Leporidae indet. Fischer de Waldheim 1817 rabbit
 Lagomorpha - Ochotonidae
Oreolagus nevadensis Kellogg 1910 pika
Amphibia
 Salientia - Pelobatidae
Spea neuter3 Kluge 1966 spadefoot toad