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Monarch Mill, Churchill County, Nevada, USA

FormationMonarch Mill
Member(s)lower
upper
Age:16.0 - 13.6 Ma
Miocene
IntervalBarstovian
Lithologyclaystone/conglomerate
Number of Collections4
Number of Occurrences24

Recorded Sample Locations

LocationRegionStratigraphic Name
Brady PocketChurchill County, Nevada, USAMonarch Mill - lower
Nevaxel 11Churchill County, Nevada, USAMonarch Mill

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Monarch Mill - lower23.0 - 5.33 Ma
Miocene
1
Monarch Mill - upper23.0 - 5.33 Ma
Miocene
5
Truckee13.6 - 10.3 Ma
Miocene
diatomite1

Recorded Fossils

Accepted NameHierarchyAge
Antilocapridae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae15.97 - 13.6 Ma
Miocene
Camelidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Camelidae23.03 - 5.333 Ma
Miocene
Megatylopus sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Megatylopus23.03 - 5.333 Ma
Miocene
Merychyus elegans
species
7Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Merychyus : Merychyus elegans23.03 - 5.333 Ma
Miocene
Merycoidodontidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae15.97 - 13.6 Ma
Miocene
Aletomeryx sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Aletomeryx15.97 - 13.6 Ma
Miocene
Actiocyon parverratis
species
7Animalia : Chordata : Mammalia : Carnivora : Procyonidae : Actiocyon : Actiocyon parverratis15.97 - 13.6 Ma
Miocene
Leptocyon sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Canidae : Leptocyon15.97 - 13.6 Ma
Miocene
Tomarctus sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Canidae : Tomarctus15.97 - 13.6 Ma
Miocene
Tomarctus brevirostris
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Tomarctus : Tomarctus brevirostris15.97 - 13.6 Ma
Miocene
Felidae
family
5Animalia : Chordata : Mammalia : Carnivora : Felidae23.03 - 5.333 Ma
Miocene
Brevimalictis chikasha
species
7Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Brevimalictis : Brevimalictis chikasha15.97 - 13.6 Ma
Miocene
Negodiaetictis rugatrulleum
species
7Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Negodiaetictis : Negodiaetictis rugatrulleum15.97 - 13.6 Ma
Miocene
Hypolagus sp.
genus
6Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus15.97 - 13.6 Ma
Miocene
Mystipterus sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Mystipterus15.97 - 13.6 Ma
Miocene
Plesiosorex sp.
genus
6Animalia : Chordata : Mammalia : Plesiosoricidae : Plesiosorex15.97 - 13.6 Ma
Miocene
Pseudotrimylus sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Pseudotrimylus15.97 - 13.6 Ma
Miocene
Hypohippus sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hypohippus15.97 - 13.6 Ma
Miocene
Aphelops sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Aphelops15.97 - 13.6 Ma
Miocene
Teleoceras sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras23.03 - 5.333 Ma
Miocene
Gomphotheriidae
family
5Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae23.03 - 5.333 Ma
Miocene
Liodontia sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Aplodontiidae : Liodontia15.97 - 13.6 Ma
Miocene
Monosaulax sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Castoridae : Monosaulax15.97 - 13.6 Ma
Miocene
Copemys sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Muridae : Copemys15.97 - 13.6 Ma
Miocene
Heteromyidae
family
5Animalia : Chordata : Mammalia : Rodentia : Heteromyidae15.97 - 13.6 Ma
Miocene
Sciuridae
family
5Animalia : Chordata : Mammalia : Rodentia : Sciuridae15.97 - 13.6 Ma
Miocene

References

Axelrod D. I. (1956) Mio-Pliocene floras from west-central Nevada, University of California Publications in Geological Sciences 33, 1-321
Kelly T. S., Lander E. B. (1988) Biostratigraphy and Correlation of Hemingfordian and Barstovian Land Mammal Assemblages, Caliente Formation, Cuyama Valley Area, California, Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California, 1-19
Smith K., Czaplewski N., et al (2016) Middle Miocene carnivorans from the Monarch Mill Formation, Nevada, Acta Palaeontologica Polonica 61 1, 231-252 doi:10.4202/app.00111.2014
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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