Skull Ridge: Early/Lower Barstovian, New Mexico

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Rodentia - Heteromyidae
Cupidinimus cf. kleinfelderi (Storer 1970)
Korth 1998
original and current combination Perognathoides kleinfelderi
"Skull Ridge Member, east of Three Sisters Buttes" (3 measurements)
Mammalia - Rodentia - Mylagaulidae
Alphagaulus vetus (Matthew 1924)
Korth 2013
Ceratogaulus robustus n. sp. Korth 2013
Korth 2013
Notogaulus minor Korth 2013
Korth 2013
Notogaulus major Korth 2013
Korth 2013
Mammalia - Erinaceidae
Untermannerix copiosus Rich 1981
Rich 1981
South Skull Ridge, Skull Ridge Mbr.
Metechinus amplior Rich 1981
Rich 1981
Skull Ridge
Mammalia - Perissodactyla - Rhinocerotidae
Aphelops megalodus (Cope 1873)
Prothero 2005
includes "Tesque Locality" and "Skull Ridge" from ""Skull Ridge Member"
Peraceras profectum (Matthew 1899)
Prothero 2005
Teleoceras brachyrhinum n. sp. Prothero 2005
Prothero 2005
Mammalia - Perissodactyla - Equidae
Anchitheriinae indet. (Leidy 1869)
Tedford and Barghoorn 1993
original and current combination Anchitheridae
"unnamed genus close to Anchitherium"; presumably includes "Anchitherium sp."
Megahippus sp. McGrew 1938
Tedford and Barghoorn 1993
"small"
Hypohippus cf. pertinax Matthew 1918
Tedford and Barghoorn 1993
Merychippus cf. intermontanus Merriam 1915
recombined as Scaphohippus intermontanus
Merychippus isonesus (Cope 1889)
recombined as Acritohippus isonesus
said to be "close to" isonesus
Mammalia - Camelidae
Rakomylus sp. Frick 1937
    = Rakomylus raki Frick 1937
Frick and Taylor 1968
Australocamelus sp. Patton 1969
Tedford and Barghoorn 1993
Michenia sp. Frick and Taylor 1971
Tedford and Barghoorn 1993
Protolabis sp. Cope 1876
Tedford and Barghoorn 1993
Aepycamelus sp. Macdonald 1956
Tedford and Barghoorn 1993
Paramiolabis sp. Kelly 1992
Tedford and Barghoorn 1993
    = Paramiolabis minutus Pagnac 2005
Pagnac 2005
Miolabis sp. Hay 1899
Tedford and Barghoorn 1993
Nothotylopus sp. Patton 1969
Tedford and Barghoorn 1993
Mammalia - Moschidae
Blastomeryx gemmifer (Cope 1874)
Prothero 2008
Mammalia - Palaeomerycidae
Dromomeryx borealis (Cope 1877)
Prothero and Liter 2008
Mammalia - Antilocapridae
Meryceros sp. Frick 1937
    = Merycodus sp. Leidy 1854
Tedford and Barghoorn 1993
probably includes "Meryceros crucensis" of Frick 1937
Cosoryx ilfonsensis Frick 1937
Frick 1937
F:AM 31437
Mammalia - Merycoidodontidae
Merychyus sp. Leidy 1858
see Schultz and Falkenbach 1947: "Lower... 'Santa Fe Beds'"
Brachycrus laticeps (Douglass 1900)
    = Brachycrus siouense Sinclair 1915
Kelly and Lander 1988
"Brachycrus laticeps siouense": "B. sp." of Schultz and Falkenbach 1940 from SE of White Operation, Skull Ridge, and East Skull Ridge, "Lower... 'Santa Fe Beds'"; "B. rusticus riograndensis" type of Schultz and Falkenbach 1968
Mammalia - Carnivora - Amphicyonidae
Amphicyon ingens Matthew 1924
Amphicyon sinapius Matthew 1902
recombined as Cynelos sinapius
Mammalia - Carnivora - Procyonidae
Bassariscus cf. parvus Hall 1927
Baskin 2004
"west of Cuyamunque"; "southeast of White Operation"; "Third District"; "Skull Ridge" (sensu stricto); "west of highway and north of boundary of Pojoaque Grant, above #4 white ash"; "J Rak wash, 25 feet above ash F"
Mammalia - Carnivora - Ursidae
Plithocyon sp. Ginsburg 1955
Hunt 1998
said to be new; "Hemicyon sp."
Mammalia - Carnivora - Canidae
Leptocyon leidyi Tedford et al. 2009
Tedford et al. 2009
Osbornodon fricki n. sp. Wang 1994
Wang 1994
from Skull Ridge N of Pojoaque Church and S of Arroyo Seco
Cynarctoides acridens (Barbour and Cook 1914)
Wang et al. 1999
"Tesuque Grant, Skull Ridge Member... Santa Fe County"
Tomarctus cf. confertus (Matthew 1918)
    = Microtomarctus cf. conferta Matthew 1918
Tedford and Barghoorn 1993
at "Santa Cruz"; "South Skull Ridge"; "3 mi from Cuyamunque, left side of road"; "Upper Skull Ridge"; "west Cuyamunque, Tesuque Pueblo just south of north boundary"; Joe Rack Wash"; "Nambe Creek side of Divide, 12 ft above Ash 'B'"; "8 ft below Ash 'B'"; "White Operation District"; "North Skull Ridge, 40 ft above white layer"; "Tesuque Grant between Arroyo Ancho and Rio Tesuque"; "north of Tesuque Grant, north boundary Tesuque East, Cuyamunque"
Paracynarctus kelloggi (Merriam 1911)
Wang et al. 1999
"Cuyamunque"; "Tesuque"; "east of Tesuque"; "east of Tesuque Fault"; "west of Tesuque, Tesuque Boundary wash, light band east of Tesuque Fault"; "1 mi east of Cuyamunque"; and "5 ft below Ash A in block no. 3 south of Arroyo Seco, Skull Ridge"
Psalidocyon marianae n. sp. Wang et al. 1999
Wang et al. 1999
"southeast of White Operation, Skull Ridge Member... Sante Fe County"
Tomarctus brevirostris Cope 1873
Wang et al. 1999
"Skull Ridge"; "Third District"
Tomarctus hippophaga (Matthew and Cook 1909)
Wang et al. 1999
"Southeast of White Operation Wash"; "Cuyamunque"; "One mi north of White Operation"
Reptilia - Accipitriformes - Accipitridae
Palaeoborus umbrosus (Cope 1874)
Becker 1987
see common names

Geography
Country:United States State/province:New Mexico County:Santa Fe
Coordinates: 35.5° North, 106.2° West (view map)
Paleocoordinates:36.1° North, 103.1° West
Basis of coordinate:based on political unit
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
*Period:Tertiary
Key time interval:Early/Lower Barstovian
Age range of interval:15.97000 - 13.60000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Tesuque Member:Skull Ridge
Local section:Espan Local bed:2
Local order:bottom to top
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Museum repositories:AMNH
Taxonomic list comments:includes White Operation Quarry (see), but list is quite different
FT on zircon dates, in Ma:
No. 2 white ash: 14.6 +/- 1.2
No. 4 white ash: 14.1 +/- 1.1
second date on No. 4 ash (Izett & Naeser 1986): 12.7 +/- 1.4
No. 4 white ash redated at 15.42 +/- 0.06 Ma (SCLF Ar-Ar on sanidine) by McIntosh and Quade 1995; No. 3 white ash dated at 15.65 +/- 0.065 Ma according to Quade (1999 personal communication); White Operation Quarry is "just below" the No. 4 ash according to McIntosh and Quade
No. 2 ash redated at 15.59 +/- 0.07 Ma (SCLF AA on sanidine): Kuhle and Smith 2001
underlies Pojoaque Mbr.
"Cosoryx ilfonsensis" of Frick 1937 is omitted by Tedford and Barghoorn 1993
Metadata
Database number:19547
Authorizer:J. Alroy, J. Marcot, M. Uhen Enterer:J. Alroy, M. Uhen, J. Marcot
Modifier:J. Alroy Research group:vertebrate
Created:1993-09-27 00:00:00 Last modified:2012-03-25 05:26:37
Access level:the public Released:1993-09-27 00:00:00
Creative Commons license:CC BY
Reference information

Primary reference:

3378. R. H. Tedford. 1981. Mammalian biochronology of the late Cenozoic basins of New Mexico. Geological Society America Bulletin 92 [J. Alroy/J. Alroy/J. Ju]

Secondary references:

6294 J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari]
40876 J. A. Baskin. 2004. Bassariscus and Probassariscus (Mammalia, Carnivora, Procyonidae) from the early Barstovian (Middle Miocene). Journal of Vertebrate Paleontology 24(3):709-720 [J. Alroy/J. Alroy]
75080 J. J. Becker. 1987. Neogene Avian Localities of North America 1-171 [M. Uhen/M. Uhen/M. Uhen]
6222 C. Frick. 1937. Horned ruminants of North America. Bulletin of the American Museum of Natural History 69:1-669 [J. Alroy/J. Alroy/M. Uhen]
1549 C. Frick and B. E. Taylor. 1968. A Generic Review of the Stenomyline Camels. American Museum Novitates 2353:1-51 [J. Alroy/J. Alroy/B. Beatty]
1976 R. M. Hunt, Jr. 1998. Ursidae. In C. M. Janis, K. M. Scott, and L. L. Jacobs (eds.), Evolution of Tertiary Mammals of North America 1:174-195 [J. Alroy/J. Alroy/M. Uhen]
2070 T. S. Kelly and E. B. Lander. 1988. Biostratigraphy and Correlation of Hemingfordian and Barstovian Land Mammal Assemblages, Caliente Formation, Cuyama Valley Area, California. In W. J. M. Bazeley (ed.), Tertiary Tectonics and Sedimentation in the Cuyama Basin, San Luis Obispo, Santa Barbara, and Ventura Counties, California 1-19 [J. Alroy/J. Alroy/J. Marcot]
2135 W. W. Korth. 1998. Cranial morphology of two Tertiary pocket mice, Perognathus and Cupidinimus (Rodentia, Heteromyidae). Paludicola 1(4):132-142 [J. Alroy/J. Alroy/M. Uhen]
57239 W. W. Korth. 2013. Mylagaulid Rodents (Mammalia: Rodentia: Mylagaulidae) from the Middle Miocene (Barstovian) of New Mexico. Annals of Carnegie Museum 81(4):233-245 [J. Marcot/J. Marcot]
51603 D. Pagnac. 2005. New camels (Mammalia: Artiodactyla) from the Barstow Formation (middle Miocene), San Bernardino County, California. PaleoBios 25(2):19-13 [J. Marcot/J. Marcot]
51726 D. R. Prothero. 2005. The Evolution of North American Rhinoceroses. 1-218 [J. Marcot/J. Marcot]
51375 D. R. Prothero. 2008. Systematics of the musk deer (Artiodactyla: Moschidae: Blastomerycinae) from the Miocene of North America. In S. G. Lucas, G. S. Morgan, J. A. Spielmann, D. R. Prothero (eds.), Neogene Mammals 44:207-223 [J. Marcot/J. Marcot/J. Marcot]
51379 D. R. Prothero and M. R. Liter. 2008. Systematics of the dromomerycines and aletomerycines (Artiodactyla: Palaeomerycidae) from the Miocene and Pliocene of North America. In S. G. Lucas, G. S. Morgan, J. A. Spielmann, D. R. Prothero (eds.), Neogene Mammals 44:273-298 [J. Marcot/J. Marcot]
2897 T. H. V. Rich. 1981. Origin and History of the Erinaceinae and Brachyericinae (Mammalia, Insectivora) in North America. Bulletin of the American Museum of Natural History 171(1):1-116 [J. Alroy/J. Alroy/P. Mannion]
3380 R. H. Tedford and S. F. Barghoorn. 1993. Road Log Neogene geology of the EspaƱola Basin, New Mexico. New Mexico Museum of Natural History Bulletin 2:169-178 [J. Alroy/J. Alroy/M. Uhen]
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]
6226 X. Wang. 1994. Phylogenetic systematics of the Hesperocyoninae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 221:1-207 [J. Alroy/J. Alroy/J. Alroy]
3558 X. Wang, R. H. Tedford, and B. E. Taylor. 1999. Phylogenetic systematics of the Borophaginae (Carnivora: Canidae). Bulletin of the American Museum of Natural History 243:1-392 [J. Alroy/J. Alroy/J. Alroy]