Westgate, James W. (1990) Uintan land mammals (excluding rodents) from an estuarine facies of the Laredo Formation (Middle Eocene, Claiborne Group) of Webb County, Texas. Journal of Paleontology, 64 (3) 454-468 doi:10.1017/s0022336000018709
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Uintan land mammals (excluding rodents) from an estuarine facies of the Laredo Formation (Middle Eocene, Claiborne Group) of Webb County, Texas | ||
| Journal | Journal of Paleontology | ||
| Authors | Westgate, James W. | Author | |
| Year | 1990 (May) | Volume | 64 |
| Issue | 3 | ||
| Publisher | Cambridge University Press (CUP) | ||
| DOI | doi:10.1017/s0022336000018709Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 414910 | Long-form Identifier | mindat:1:5:414910:5 |
| GUID | 0 | ||
| Full Reference | Westgate, James W. (1990) Uintan land mammals (excluding rodents) from an estuarine facies of the Laredo Formation (Middle Eocene, Claiborne Group) of Webb County, Texas. Journal of Paleontology, 64 (3) 454-468 doi:10.1017/s0022336000018709 | ||
| Plain Text | Westgate, James W. (1990) Uintan land mammals (excluding rodents) from an estuarine facies of the Laredo Formation (Middle Eocene, Claiborne Group) of Webb County, Texas. Journal of Paleontology, 64 (3) 454-468 doi:10.1017/s0022336000018709 | ||
| In | (1990, May) Journal of Paleontology Vol. 64 (3) Cambridge University Press (CUP) | ||
| Abstract/Notes | A newly discovered vertebrate fossil assemblage, the Casa Blanca local fauna, comes from the Laredo Formation, Claiborne Group, of Webb County, Texas, and is the first reported Eocene land-mammal fauna from the coastal plain of North America. The mammalian fauna is correlated with the Serendipity and Candelaria local faunas of west Texas, the Uinta C faunas of the Rocky Mountains, the Santiago Formation local fauna of southern California, and the Swift Current Creek local fauna of Saskatchewan. The vertebrate-bearing deposit lies approximately 32 m above a horizon containing the marine gastropod Turritella cortezi, which ranges from east Texas to northeast Mexico in the lower half of the Cook Mountain and Laredo Formations and is a guide fossil for the Hurricane Lentil in the Cook Mountain Formation. Nannoplankton found in these middle Eocene formations belong to the upper half of Nannoplankton Zone 16 and allow correlation with European beds of late Lutetian to early Bartonian age.Over 700 specimens represent at least 30 species of 28 mammal genera. The Casa Blanca fauna is the southernmost and easternmost North American land-mammal fauna of definite Eocene age, and is the westernmost Paleogene vertebrate fauna from the Gulf Coastal Plain. | ||
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