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Browsing Department of Paleobiology by Issue Date
Now showing items 1-20 of 769
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(TORREY BOTANICAL SOCIETY, 1976)
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(Smithsonian Institution Press, 1976)Among the fossils recovered from a small, mid-Paleocene fissure filling in southwestern Colorado is the oldest known owl, <i>Ogygoptynx wetmorei</i>, new genus and species. This form, represented by a single tarsometatarsus, ...
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(Smithsonian Institution Press, 1976)<i>Alexornis antecedens</i>, new genus and species, is described from the Bocana Roja Formation, Upper Cretaceous (Campanian age), near El Rosario, Baja California, Mexico. The humerus, ulna, scapula, coracoid, femur, and ...
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(Smithsonian Institution Press, 1976)Recent paleontological investigations in Cuba have shown that the island was formerly inhabited by large populations of rodents and edentates. Based on discoveries of giant fossil raptorial birds (Strigiformes and ...
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(Smithsonian Institution Press, 1976)Three nominal species of swifts have been described from lower Miocene (Aquitanian) deposits of France. Re-examination of these forms, <i>Cypselus</i> [ = <i>Apus</i>] <i>ignotus</i> Milne-Edwards, <i>Collocalia ...
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(Smithsonian Institution Press, 1976)
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(Smithsonian Institution Press, 1976)<i>Neanis schucherti</i>, an avian fossil from the lower Eocene Green River Formation of Wyoming, was described in 1913 under the genus <i>Hebe</i> by Shufeldt as the earliest representative of the order Passeriformes. The ...
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(Smithsonian Institution Press, 1976)Pleistocene specimens of pied-billed grebes ( <i>Podilymbus</i>) were compared with a series of skeletons of the modern North American form, <i>Podilymbus podiceps podiceps</i>. Most of the fossils agreed closely with this ...
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(Smithsonian Institution Press, 1976)Recent discoveries of zygodactyl birds in the Eocene of Wyoming, along with reinterpretation of previously described taxa, show that these forms belong to an extinct family, affiliated with the Bucconidae, for which we ...
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(Smithsonian Institution Press, 1976)In order to provide a basis for future studies on the functional morphology and evolutionary history of the New Zealand moas, the species-level systematics of the family is reviewed. Based on a study of museum collections ...
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(Smithsonian Institution Press, 1976)Collections from the upper Eocene-lower Oligocene phosphorite deposits of Quercy, France, include numerous fossil elements attributed to two species of <i>Aegialornis</i>. An examination of the humeri in this series disclosed ...
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(Smithsonian Institution Press, 1976)A collection of fossils from the late Pleistocene site known as La Carolina, located on the arid Santa Elena Peninsula of southwestern Ecuador, contains 53 species of birds, representing 16 families and 42 genera, including ...
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(Smithsonian Institution Press, 1976)<i>Praemancalla wetmorei </i>is described from the late Miocene of Orange County, California, with humerus and ulna as holotype and paratype, and radius, carpometacarpus, and coracoid referred. The species, although less ...
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(Academic Press, Inc, 1978)
Now showing items 1-20 of 769
