Also known as Comanche Point; CIT 104, 302, 305
Where: Kern County, California (35.3° N, 118.5° W: paleocoordinates 35.2° N, 115.3° W)
• coordinate based on political unit
When: Chanac Formation, Tortonian (11.6 - 7.2 Ma)
• at roughly the 130 m level in the Tejon Hill section of Wilson and Prothero 1997, i.e., in the long reversed polarity zone overlying the normal zone including the Comanche Point fauna
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Primary reference: R. H. Tedford, T. Galusha, M. F. Skinner, B. E. Taylor, R. W. Fields, J. R. Macdonald, J. M. Rensberger, S. D. Webb, and D. P. Whistler. 1987. Faunal succession and biochronology of the Arikareean through Hemphillian interval (late Oligocene through earliest Pliocene epochs) in North America. In M. O. Woodburne (ed.), Cenozoic Mammals of North America: Geochronology and Biostratigraphy 153-210 [J. Alroy/J. Alroy/P. Wagner]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 19466: authorized by John Alroy, entered by John Alroy on 27.09.1993
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Hipparion forcei, "Pliohippus leardi n. sp." = Dinohippus leardi
Hipparion forcei Richey 1948 hipparionine horse presumably includes "H. cf. mohavense" and "Nannippus cf. tehonensis" of Drescher 1941 from CIT 104, which appear respectively to be early and late wear stages of the same species (JA pers. obs. 19.1.02)
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Cranioceras cf. unicornis Matthew 1918 ruminant | |
Paracosoryx cf. furlongi Frick 1937 pronghorn may include "C. (Paracosoryx)" of Frick 1937 from "Chanac fauna"
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Ustatochoerus cf. californicus Merriam 1919 oreodont | |
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