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Lower vertebrates from an estuarine facies of the middle Eocene Laredo Formation (Claiborne Group), Webb County, Texas. Journal of Vertebrate Paleontology, 9(3), 282–294
DOI: 10.1080/02724634.1989.10011763
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Lower vertebrates from the Late Eocene Crow Creek local fauna, St. Francis County, Arkansas. Journal of Vertebrate Paleontology, 4(4), 536–546
DOI: 10.1080/02724634.1984.10012029