Hagerman (HAFO Locality 068 = IMNH Locality 85005) (Pliocene of the United States)

Where: Twin Falls County, Idaho (42.8° N, 114.9° W: paleocoordinates 43.0° N, 114.1° W)

• coordinate estimated from map

When: Glenns Ferry Formation, Pliocene (5.3 - 2.6 Ma)

• Below Bed G, dated to 3.79 Ma

Environment/lithology: "floodplain"; lithology not reported

• Hagerman’s depositional environment

•is interpreted as low-relief floodplain with little lateral migration

•of lithofacies and with subsidence at approximately the same

•rate as deposition (Powers and Malde, 1961; Bjork, 1970; Malde,

•1972; Lee et al., 1995).

Size class: macrofossils

Primary reference: K. A. Prassack. 2016. Lontra weiri, sp. nov., a Pliocene River Otter (Mammalia, Carnivora, Mustelidae, Lutrinae) from the Hagerman Fossil Beds (Hagerman Fossil Beds National Monument), Idaho, U.S.A. Journal of Vertebrate Paleontology 36(4):e1149075 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 181255: authorized by Mark Uhen, entered by Mark Uhen on 30.08.2016, edited by Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

• fish, turtle, frog, and crawfish gastroliths also reported to be present (Prassack, 2016, p6)
Polypodiopsida
 Equisetales - Equisetidae
Equisetum sp. Linnaeus 1753 horsetail
Mammalia
 Rodentia - Castoridae
Castor californicus Kellogg 1911 beaver
 Rodentia - Cricetidae
Cosomys primus Wilson 1932 vole
 Carnivora - Felidae
Felidae indet. Gray 1821 cat
Lynx rexroadensis/Puma lacustris
 Carnivora - Mustelidae
Trigonictis cooki mustelid carnivore
Satherium piscinarium Leidy 1873 otter
Lontra weiri n. sp. Prassack 2016 otter
IMNH 38647 (holotype)
 Carnivora - Canidae
"Canis ferox" = Eucyon ferox
"Canis ferox" = Eucyon ferox Miller and Carranza-Castaneda 1998 canine
Aves
 Podicipediformes - Podicipedidae
Podicipedidae indet. Bonaparte 1831 grebe
 Gruiformes - Rallidae
Rallidae indet. Vigors 1825 rail
 Anseriformes - Anatidae
Bucephala sp. Baird 1858 seaduck
Cygnus (Olor) hibbardi Brodkorb 1958 swan