Ione Valley 15 (Miocene of the United States)

Also known as UCMP locality 2024

Where: Nye County, Nevada (38.5° N, 117.7° W: paleocoordinates 39.1° N, 115.3° W)

• coordinate based on unpublished field data

• local area-level geographic resolution

When: Clarendonian (12.5 - 9.4 Ma)

• "the Clarendonian NALMA portion of the Esmeralda Formation is considered to be equivalent to Clarendonian

•1 and 2 (Tedford et al. 2004). That biostratigraphic position would place the [fossils] between ca 10 and 12.5 Ma in age ..."

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Reposited in the UCMP

Primary reference: T. A. Stidham and N. V. Zelenkov. 2016. North American–Asian aquatic bird dispersal in the Miocene: evidence from a new species of diving duck (Anseriformes: Anatidae) from North America (Nevada) with affinities to Mongolian taxa. Alcheringa 41 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 182562: authorized by Patricia Holroyd, entered by Patricia Holroyd on 07.11.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Anseriformes - Anatidae
Protomelanitta bakeri n. sp. Stidham and Zelenkov 2016 waterfowl
Mammalia
 Carnivora - Canidae
Aelurodon sp. Leidy 1858 bone-crushing dog
Tomarctus sp. Cope 1873 bone-crushing dog
 Artiodactyla - Antilocapridae
"Merycodus furcatus" = Cosoryx furcatus
"Merycodus furcatus" = Cosoryx furcatus Leidy 1869 pronghorn
 Artiodactyla - Camelidae
Paracamelus sp. Schlosser 1903 camel
Pliauchenia sp. Cope 1875 camel
Procamelus sp. Leidy 1858 camel
 Perissodactyla - Equidae
Equidae indet. Gray 1821 horse