South Bijou Hill (Miocene of the United States)

Also known as SDSM V-731; F.O. Quarry

Where: Charles Mix County, South Dakota (43.1° N, 98.3° W: paleocoordinates 43.6° N, 95.0° W)

• coordinate based on political unit

When: Fort Randall Formation, Barstovian (16.0 - 13.6 Ma)

• from a "5-foot zone" (Skinner and Taylor 1967)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; brown, red claystone

• "brownish pink clay that carries scattered barite crystals or 'rock roses'" (Skinner and Taylor 1967)

Size classes: macrofossils, mesofossils

Reposited in the SDSM

Collection methods: bulk, sieve,

Primary reference: M. Green. 1985. Micromammals from the Miocene Bijou Hills local fauna, Southb Dakota. Dakoterra 2(2):141-154 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 18397: authorized by John Alroy, entered by John Alroy on 05.08.1992, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Squamata - Loxocemidae
Ogmophis miocompactus3 Holman 1976 Mexican burrowing snake
 Squamata - Boidae
Charina prebottae3 Brattstrom 1958 sand boa
 Squamata - Colubridae
Ameiseophis robinsoni3 Holman 1976 colubrid snake
Dakotaophis greeni3 colubrid snake
Salvadora paleolineata3 Holman 1973 colubrid snake
Paleoheterodon tiheni3 Holman 1964 colubrid snake
Neonatrix elongata3 Holman 1973 colubrid snake
 Squamata - Scincidae
Eumeces sp.3 Wiegmann 1834 skink
Mammalia
 Rodentia - Cricetidae
"Copemys cf. niobrariensis" = Copemys longidens1
"Copemys cf. niobrariensis" = Copemys longidens1 Hall 1930 mouse
 Rodentia - Zapodidae
Megasminthus tiheni2 Klingener 1966 jumping mouse
"Peromyscus (Copemys)" of Stout in Skinner and Taylor 1967
Schaubeumys sp.2 Wood 1935 jumping mouse
 Rodentia - Sciuridae
Spermophilus sp., "Tamiini indet." = Marmotini
Spermophilus sp. Cuvier 1825 ground squirrel
"Tamiini indet." = Marmotini squirrel
"Eutamias or Tamias"
 Rodentia - Heteromyidae
Cupidinimus smaragdinus n. sp.4 Korth 1996 rodent
Mioheteromys arcarius4 Korth 1996 rodent
Lignimus austridakotensis n. sp.4 Korth 1996 rodent
Perognathus brevidens4 Korth 1987 pocket mouse
Perognathus trojectioansrum4 Korth 1979 pocket mouse
 Rodentia - Castoridae
Monosaulax cf. curtus6 Matthew and Cook 1909 beaver
 Rodentia - Mylagaulidae
Mylagaulidae indet.6 Cope 1881 rodent
 Lagomorpha - Leporidae
Hypolagus cf. vetus Kellogg 1910 rabbit
 Lagomorpha - Ochotonidae
Ochotonidae indet. Thomas 1897 pika
Russellagus cf. vonhofi Storer 1970 pika
 Lipotyphla - Erinaceidae
Parvericius montanus Koerner 1940 hedgehog
Brachyerix cf. incertis Matthew 1924 hedgehog
 Lipotyphla - Talpidae
"Scalopoides" sp. Wilson 1960 mole
 Perissodactyla - Rhinocerotidae
Rhinocerotidae indet.6 Gray 1821 rhinoceros
Peraceras superciliosum5 Cope 1880 rhinoceros
 Perissodactyla - Equidae
Merychippus insignis6 Leidy 1856 horse
 Theriiformes - Plesiosoricidae
Plesiosorex sp. Pomel 1848 placental
 Theriiformes - Soricidae
Adeloblarina cf. berklandi Repenning 1967 red-toothed shrew
 Carnivora - Mustelidae
Leptarctus primus6 Leidy 1856 mustelid carnivore
 Artiodactyla - Tayassuidae
Tayassuidae indet.6 Palmer 1897 peccary
 Artiodactyla - Antilocapridae
Merycodus necatus6 Leidy 1854 pronghorn
Amphibia
 Salientia - Hylidae
Hyla sp.3 Laurenti 1768 tree frog
large
Pseudacris cf. clarki3 Baird 1854 spotted chorus frog
 Caudata - Urodela
Ambystoma minshalli3 Tihen and Chantell 1963 mole salamander