Search Results - "Hutchison, J Howard"

The most complete enantiornithine from North America and a phylogenetic analysis of the Avisauridae by Atterholt, Jessie, Hutchison, J Howard, O'Connor, Jingmai K

“…The most complete known North American enantiornithine was collected in 1992 but never formally described. The so-called "Kaiparowits avisaurid" remains one of…”
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Geometric morphometrics and anatomical network analyses reveal ecospace partitioning among geoemydid turtles from the Uinta Formation, Utah by Adrian, Brent, Smith, Heather F., Hutchison, J. Howard, Townsend, K.E. Beth

“…We present new fossil records of the geoemydid turtle Bridgeremys pusilla from the Uinta Formation of Utah. Turtles are abundant throughout the unit, and known…”
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Additional records and stratigraphic distribution of the middle Eocene carettochelyid turtle Anosteira pulchra from the Uinta Formation of Utah, North America by Adrian, Brent, Holroyd, Patricia A, Hutchison, J Howard, Townsend, Ke Beth

“…is one of two species of the obligately-aquatic freshwater clade Carettochelyidae (pig-nosed turtles) from the Eocene of North America. is typically rare in…”
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Morphological variation, phylogenetic relationships, and geographic distribution of the Baenidae (Testudines), based on new specimens from the Uinta Formation (Uinta Basin), Utah (USA) by Smith, Heather F, Hutchison, J Howard, Townsend, K E Beth, Adrian, Brent, Jager, Daniel

“…We described newly discovered baenid specimens from the Uintan North American Land Mammal Age (NALMA), in the Uinta Formation, Uinta Basin, Utah. These…”
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Arctic plant diversity in the Early Eocene greenhouse by Harrington, Guy J, Eberle, Jaelyn, Le-Page, Ben A, Dawson, Mary, Hutchison, J. Howard

“…For the majority of the Early Caenozoic, a remarkable expanse of humid, mesothermal to temperate forests spread across Northern Polar regions that now contain…”
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First record of eocene bony fishes and crocodyliforms from Canada's Western Arctic by Eberle, Jaelyn J, Gottfried, Michael D, Hutchison, J Howard, Brochu, Christopher A

“…Discovery of Eocene non-marine vertebrates, including crocodylians, turtles, bony fishes, and mammals in Canada's High Arctic was a critical paleontological…”
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Giant lizards occupied herbivorous mammalian ecospace during the Paleogene greenhouse in Southeast Asia by Head, Jason J., Gunnell, Gregg F., Holroyd, Patricia A., Hutchison, J. Howard, Ciochon, Russell L.

“…Mammals dominate modern terrestrial herbivore ecosystems, whereas extant herbivorous reptiles are limited in diversity and body size. The evolution of reptile…”
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Diverse Turtle Fauna from the Late Eocene of Georgia Including the Oldest Records of Aquatic Testudinoids in Southeastern North America by Parmley, Dennis, Howard Hutchison, J, Parham, James F

“…The Late Eocene (Chadronian NALMA) Hardie Mine local fauna of the Clinchfield Formation in Wilkinson County, Georgia, preserves the most diverse turtle fauna…”
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A New Dermatemydid (Testudines, Kinosternoidea) from the Paleocene-Eocene Thermal Maximum, Willwood Formation, Southeastern Bighorn Basin, Wyoming by Bourque, Jason R, Hutchison, J. Howard, Holroyd, Patricia A, Bloch, Jonathan I

“…Gomphochelys nanus, new genus and species, is described from the earliest Wasatchian (biohorizon Wa 0; ∼55.8 Ma) of the southeastern Bighorn Basin, Washakie…”
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A Sand Tiger Shark-Dominated Fauna from the Eocene Arctic Greenhouse by Padilla, Aspen, Eberle, Jaelyn J, Gottfried, Michael D, Sweet, Arthur R, Howard Hutchison, J

“…We describe a new shark fauna from Canada's westernmost Arctic island, Banks Island, Northwest Territories, based upon thousands of shark teeth recovered from…”
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Morphological variation, phylogenetic relationships, and geographic distribution of the Baenidae by Smith, Heather F, Hutchison, J. Howard, Townsend, K. E. Beth, Adrian, Brent, Jager, Daniel

“…We described newly discovered baenid specimens from the Uintan North American Land Mammal Age (NALMA), in the Uinta Formation, Uinta Basin, Utah. These…”
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Seasonal variability in Arctic temperatures during early Eocene time by Eberle, Jaelyn J., Fricke, Henry C., Humphrey, John D., Hackett, Logan, Newbrey, Michael G., Hutchison, J. Howard

“…As a deep time analog for today's rapidly warming Arctic region, early Eocene (52–53 Ma) rock on Ellesmere Island in Canada's High Arctic (∼ 79°N.) preserves…”
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Early Kinosterninae (Reptilia: Testudines) and their phylogenetic significance by Hutchison, J. Howard

“…Two genera of kinosternids in the Eocene of North America exhibit specializations of the Kinosteminae such as the presence of incised musk ducts, loss of one…”
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Giant lizards occupied herbivorous mammalian ecospace during the Paleogene greenhouse in Southeast Asia by Head, Jason J., Gunnell, Gregg F., Holroyd, Patricia A., Hutchison, J. Howard, Ciochon, Russell L.

“…Mammals dominate modern terrestrial herbivore ecosystems, whereas extant herbivorous reptiles are limited in diversity and body size. The evolution of reptile…”
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THE NORTH AMERICAN AVISAURIDS (AVES: ENANTIORNITHES): NEW DATA ON BIOSTRATIGRAPHY AND BIOGEOGRAPHY by Thomas A. Stidham, J. Howard Hutchison

“…In addition to the two described Avisaurus species (A. archibaldi Brett-Surman and Paul and A. gloriae Varrichio and Chiappe), undescribed material from the…”
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Miocene vertebrates from the Siwalik group, western Nepal by West, Robert M., Hutchison, J. Howard, Munthe, Jens

“…At least 33 vertebrate taxa from the lower and middle Siwalik Group (middle and late Miocene) of southern and western Nepal compare well with assemblages from…”
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A NEW DERMATEMYDID (TESTUDINES, KINOSTERNOIDEA) FROM THE PALEOCENE-EOCENE THERMAL MAXIMUM, WILLWOOD FORMATION, SOUTHEASTERN BIGHORN BASIN, WYOMING by BOURQUE, JASON R., HUTCHISON, J. HOWARD, HOLROYD, PATRICIA A., BLOCH, JONATHAN I.

“…Gomphochelys nanus, new genus and species, is described from the earliest Wasatchian (biohorizon Wa 0; ∼55.8 Ma) of the southeastern Bighorn Basin, Washakie…”
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Determinate growth in the Baenidae (Testudines): taxonomic, ecologic, and stratigraphic significance by Hutchison, J. Howard

“…Members of the family Baenidae cease significant growth and co-ossify the shell as adults. Recognition of adults allows size to be effectively used as a means…”
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Pterosphenus cf. P. schucherti Lucas (Serpentes, Palaeophidae) from the Late Eocene of peninsular Florida by Howard Hutchison, J.

“…The first specimen of the giant marine snake Pterosphenus Lucas is recorded from a carbonate platform environment in the Late Eocene (Jackson Age) of the…”
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Cf. Condylura (Mammalia: Talpidae) from the late Tertiary of Oregon by Hutchison, J. Howard

“…A fossil humerus from Malheur County, Oregon, of probable Pliocene or late Miocene (Hemphillian) age, is tentatively referred to the genus Condylura. This…”
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