Feyereisen Gap (Lower) (Miocene of the United States)

Also known as SDSM V-733 in part; Main Quarry; Middle Quarry; Springer Unit 4

Where: Gregory County, South Dakota (43.3° N, 99.3° W: paleocoordinates 43.8° N, 96.0° W)

• coordinate based on political unit

When: Barstovian (16.0 - 13.6 Ma)

Environment/lithology: terrestrial; lithology not reported

Reposited in the SDSM

Primary reference: M. Green. 1977. A new species of Plesiosorex Mammalia, Insectivora from the Miocene of South Dakota. Neues Jahrbuch fur Geologie unde Palaeontologie 1977(4):189-198 [J. Alroy/J. Alroy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 18160: authorized by John Alroy, entered by John Alroy on 27.09.1993

Creative Commons license: CC BY (attribution)

Taxonomic list

• site of Green 1977c from the "middle" of the section is actually in Unit 4
unclassified
  -
Mammalia
 Carnivora - Mustelidae
Mustelidae indet.1 Fischer 1817 mustelid carnivore
Leptarctus sp. Leidy 1856 mustelid carnivore
 Carnivora - Canidae
Borophaginae indet.1 Simpson 1945 bone-crushing dog
 Perissodactyla - Equidae
Equinae indet.1 Steinmann and Döderlein 1890 horse
 Perissodactyla - Rhinocerotidae
Aphelops sp. Owen 1845 rhinoceros
 Artiodactyla - Camelidae
Camelidae indet. Gray 1821 camel
 Artiodactyla - Merycoidodontidae
Merycoidodontidae indet. Cook 1912 oreodont
 Artiodactyla - Tayassuidae
Tayassuidae indet. Palmer 1897 peccary
 Artiodactyla - Palaeomerycidae
Dromomerycini indet. Frick 1937 ruminant
 Theriamorpha - Plesiosoricidae
Plesiosorex donroosai n. sp. Green 1977 placental
 Theriamorpha - Soricidae
Soricidae indet. Fischer 1814 shrew
 Theriamorpha - Erinaceidae
Erinaceidae indet. Fischer von Waldheim 1817 hedgehog
 Rodentia - Castoridae
Monosaulax sp. Stirton 1935 beaver
 Rodentia - Zapodidae
Schaubeumys sp.2 Wood 1935 jumping mouse
Megasminthus gladiofex n. sp.2 Green 1977 jumping mouse
 Rodentia - Mylagaulidae
Mylagaulidae indet.1 Cope 1881 rodent