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Re-Assessment of Late Campanian (Kirtlandian) Turtles from the Upper Cretaceous Fruitland and Kirtland Formations, San Juan Basin, New Mexico, USA
The fossil turtles from the Upper Cretaceous Fruitland and Kirtland formations (late Campanian; Kirtlandian) have been known for more than 100 years. We re-assess and revise these Late CretaceousExpand
Investigation into the Paleobiology of Dasypus bellus Using Geometric Morphometrics and Variation of the Calcaneus
TLDR
Fossils of Dasypus may need to be re-evaluated to determine how these two taxa relate temporally and geographically, which may have further implications regarding some past interpretations and provide new details on the behavior and potential relationships between these (and other) xenarthrans. Expand
A NEW CAENAGNATHID OJORAPTORSAURUS BOEREI, N. GEN., N. SP. (DINOSAURIA, OVIRAPTOROSAURIA), FROM THE UPPER CRETACEOUS OJO ALAMO FORMATION (NAASHOIBITO MEMBER), SAN JUAN BASIN, NEW MEXICO
A nearly complete pair of pubes is identified as a new caenagnathid oviraptorosaur, Ojoraptorsaurus boerei, n. gen., n. sp., based on having a "spoon-shaped" depression on the anterior dorsal surfaceExpand
TAXONOMIC COMPOSITION OF THE ALAMO WASH LOCAL FAUNA FROM THE UPPER CRETACEOUS OJO ALAMO FORMATION (NAASHOIBITO MEMBER), SAN JUAN BASIN, NEW MEXICO
The vertebrate fauna from the Upper Cretaceous Naashoibito Member of the Ojo Alamo Formation (Sandstone), also known as the Alamo Wash local fauna (AWlf), has been the focus of intense collecting forExpand
LATE CRETACEOUS DINOSAUR BIOGEOGRAPHY AND ENDEMISM IN THE WESTERN INTERIOR BASIN, NORTH AMERICA: A CRITICAL RE-EVALUATION
North-south provinciality among Campanian and/or Maastrichtian vertebrates, especially dinosaurs, in the Western Interior basin of North America (specifically, between West Texas and southernExpand
COPROLITES FROM THE UPPER CRETACEOUS FRUITLAND, KIRTLAND AND OJO ALAMO FORMATIONS, SAN JUAN BASIN, NEW MEXICO
Coprolites from the Upper Cretaceous Fruitland, Kirtland and Ojo Alamo formations in the vertebrate paleontology collection of the State Museum of Pennsylvania consist of different forms that areExpand
RE-EVALUATION OF PACHYCEPHALOSAURIDS FROM THE FRUITLAND-KIRTLAND TRANSITION (KIRTLANDIAN, LATE CAMPANIAN), SAN JUAN BASIN, NEW MEXICO, WITH A DESCRIPTION OF A NEW SPECIES OF STEGOCERAS AND A
Two partial pachycephalosaurid skulls, from the upper Fruitland and lower Kirtland formations (Upper Cretaceous), are recognized as belonging to a new species of Stegoceras Lambe, S. novomexicanum,Expand
No Definitive Evidence of Paleocene Dinosaurs in the San Juan Basin
In a recent article in this journal, Fassett (2009) concludes that dinosaur fossils of Paleocene age are present in the San Juan Basin of New Mexico-Colorado. However, we argue that, based onExpand
Direct U-Pb dating of Cretaceous and Paleocene dinosaur bones, San Juan Basin, New Mexico: COMMENT
Based on U-Pb dating of two dinosaur bones from the San Juan Basin of New Mexico (United States), [Fassett et al. (2011)][1] claim to provide the first successful direct dating of fossil bones and toExpand
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