Fairmead Landfill: Irvingtonian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Smilodon cf. fatalis (Leidy 1868)
    = Smilodon sp.
Dundas and Chatters 2013
Actinopteri - Cypriniformes - Catostomidae
Catostomus occidentalis
Dundas and Chatters 2013
Actinopteri - Centrarchiformes - Centrarchidae
Archoplites interruptus Girard 1854
Dundas and Chatters 2013
Reptilia - Columbiformes - Columbidae
Zenaida macroura (Linnaeus 1758)
Dundas and Chatters 2013
Reptilia - Strigiformes - Strigidae
Athene cunicularia (Molina 1782)
Dundas and Chatters 2013
Reptilia - Anseriformes - Anatidae
Anatidae indet. Vigors 1825
Tadorna tadorna (Linnaeus 1758)
Dundas and Chatters 2013
cf. Aythya sp. Boie 1822
Dundas and Chatters 2013
Branta canadensis (Linnaeus 1758)
Dundas and Chatters 2013
Cygnus columbianus (Ord 1815)
Dundas and Chatters 2013
Reptilia - Colubridae
Colubridae indet. Oppel 1811
Dundas and Chatters 2013
Reptilia - Testudines - Emydidae
Clemmys marmorata (Baird and Girard 1852)
    = Actinemys marmorata Baird and Girard 1852
Dundas and Chatters 2013
original and current combination Emys marmorata
Reptilia - Testudines - Testudinidae
Xerobates agassizi
Dundas and Chatters 2013
synonym of Gopherus
Mammalia - Proboscidea - Elephantidae
Mammuthus sp. Brookes 1828
Mammuthus columbi (Falconer 1857)
McDonald et al. 2013
Mammalia - Perissodactyla - Equidae
Equus sp. Linnaeus 1758
Mammalia - Cervidae
Odocoileus sp. Rafinesque 1832
Mammalia - Antilocapridae
Capromeryx sp. Matthew 1902
Tetrameryx irvingtonensis Stirton 1939
Mammalia - Tayassuidae
Mylohyus nasutus (Leidy 1868)
Dundas et al. 2009
Platygonus sp. Leconte 1848
Dundas and Blades 1999
Platygonus vetus Leidy 1882
Dundas et al. 2009
Mammalia - Camelidae
Hemiauchenia sp. Gervais and Ameghino 1880
Camelops sp. Leidy 1854
Mammalia - Carnivora - Felidae
Homotherium sp. Fabrini 1890
Lynx rufus (Schreber 1777)
Dundas and Chatters 2013
Miracinonyx sp. (Adams 1979)
Dundas and Chatters 2013
Panthera sp. Oken 1816
Dundas and Chatters 2013
Mammalia - Carnivora - Canidae
Vulpes sp. Frisch 1775
Dundas and Blades 1999
    = Vulpes cf. velox Say 1823
Tedford et al. 2009
    = Vulpes velox Say 1823
Dundas and Chatters 2013
Canis armbrusteri Gidley 1913
    = Canis dirus Leidy 1858
Tedford et al. 2009
recombined as Aenocyon dirus
Tedford et al. 2009 list C. dirus from this locality, but not C. armbrusteri
Canis cf. latrans Say 1823
    = Canis latrans Say 1823
Tedford et al. 2009
Mammalia - Carnivora - Ursidae
Arctodus sp. Leidy 1854
Dundas and Blades 1999
Mammalia - Carnivora - Mustelidae
Taxidea taxus (Schreber 1778)
Dundas and Blades 1999
Mammalia - Soricidae
Sorex sp. Linnaeus 1758
Dundas and Chatters 2013
Mammalia - Rodentia - Cricetidae
Neotoma sp. Say and Ord 1825
Dundas and Blades 1999
Peromyscus sp. Gloger 1841
Dundas and Blades 1999
Microtus sp. Schrank 1798
Dundas and Blades 1999
Mammalia - Rodentia - Geomyidae
Thomomys sp. Wied-Neuwied 1839
Mammalia - Rodentia - Heteromyidae
cf. Dipodomys sp. Gray 1841
Mammalia - Rodentia - Sciuridae
Spermophilus sp. Cuvier 1825
Dundas and Blades 1999
Mammalia - Lagomorpha - Leporidae
Lepus sp. Linnaeus 1758
Mammalia - Mylodontidae
Glossotherium harlani (Owen 1840)
recombined as Paramylodon harlani
Mammalia - Megalonychidae
Megalonyx sp. Harlan 1825
    = Megalonyx wheatleyi Cope 1871
Dundas and Chatters 2013
Mammalia - Nothrotheriidae
Nothrotheriops cf. shastensis (Sinclair 1905)
    = Nothrotheriops shastensis Sinclair 1905
Dundas and Chatters 2013
original and current combination Nothrotherium shastense
Amphibia - Temnospondyli
Anura indet. (Fischer von Waldheim 1813)
Dundas and Chatters 2013
Amphibia - Temnospondyli - Urodela
Urodela indet. (Duméril 1805)
Dundas and Chatters 2013
see common names

Geography
Country:United States State/province:California County:Madera
Coordinates: 37.1° North, 120.2° West (view map)
Paleocoordinates:37.0° North, 119.8° West
Basis of coordinate:stated in text
Altitude:62 meters
Geographic resolution:small collection
Time
Period:Quaternary Epoch:Pleistocene
10 m.y. bin:Cenozoic 6
*Local age/stage:Late/Upper Irvingtonian
Key time interval:Irvingtonian
Age range of interval:1.40000 - 0.21000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Turlock Lake Member:upper
Stratigraphic resolution:group of beds
Stratigraphy comments: section is entirely in a normal polarity chron, assumed to be the Brunhes
material is from several beds within "unit C"
Lithology and environment
Primary lithology: sandy claystone
Secondary lithology: argillaceous sandstone
Includes fossils?Y
Includes fossils?Y
Lithology description: "clayey sands and sands overlying a layer of massive sandy clay and clayey very fine sand"
Environment:lacustrine indet.
Geology comments: "vertebrate fossils were found in the basal sandy clay and in the lowermost sand beds... marshy, abandoned fan channel or lake-margin"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:salvage,selective quarrying,field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:UCMP
Collection method comments: "thousands of specimens" uncovered "during excavation of an expansion cell at the Madera County Fairmead Landfill"
Metadata
Also known as:UCMP V-93128
Database number:20327
Authorizer:J. Alroy, J. Marcot, M. Uhen, P. Holroyd Enterer:J. Alroy, M. Uhen, P. Holroyd, J. Cathapermal, J. Marcot
Modifier:J. Cathapermal Research group:vertebrate
Created:1999-09-21 00:00:00 Last modified:2021-10-04 16:41:05
Access level:the public Released:1999-09-21 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:
1400.5% 2200R. G. Dundas, R. B. Smith, and K. L. Verosub. 1996. The Fairmead Landfill Locality (Pleistocene, Irvingtonian), Madera County, California: preliminary report and significance. PaleoBios 17(2-4):50-58 [J. Alroy/J. Alroy/M. Carrano]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
1399 R. G. Dundas and D. L. Blades. 1999. Geological Society of America Abstracts with Programs 31(7):A-465 [J. Alroy/J. Alroy/M. Uhen]
61249 R. G. Dundas and J. C. Chatters. 2013. The mid-Irvingtonian Fairmead Landfill fossil site, Madera County Paleontology Collection, and Fossil Discovery Center of Madera County, California. Geological Society of America Field Guides 32:63-78 [P. Holroyd/P. Holroyd]
41282 R. G. Dundas, N. Kottachchi, and J. A. Canchola. 2009. Platygonus cf. P. vetus from the middle Pleistocene (late Irvingtonian) Fairmead Landfill locality, Madera County, California. Abstracts with Programs - Geological Society of America 41(7):453-453 [M. Uhen/M. Shalap/M. Uhen]
78274 H. G. McDonald, R. G. Dundas, and J. C. Chatters. 2013. Taxonomy, paleoecology and taphonomy of ground sloths (Xenarthra) from the Fairmead Landfill locality (Pleistocene: Irvingtonian) of Madera County, California. Quaternary Research 79:215-227 [M. Uhen/J. Cathapermal]
52058 R. H. Tedford, X. Wang, and B. E. Taylor. 2009. Phylogenetic Systematics of the North American Fossil Caninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 325:1-218 [J. Marcot/J. Marcot/G. Lloyd]