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Morphology of a specimen of Supersaurus (Dinosauria, Sauropoda) from the Morrison Formation of Wyoming, and a re-evaluation of diplodocid phylogeny
A new specimen of Supersaurus vivianae is described, providing additional information about the osteology of Supersaurus. The single Supersaurus individual that the WDC quarry produced allows a re-… Expand
A NEW SPECIMEN OF THE ELASMOSAURID PLESIOSAUR ZARAFASAURA OCEANIS FROM THE UPPER CRETACEOUS ( MAASTRICHTIAN ) OF MOROCCO
A new specimen of the Moroccan elasmosaurid plesiosaur Zarafasaura oceanis from the Maastrichtian (Upper Cretaceous) phosphate deposits of Morocco is described. A partial skeleton with an associated… Expand
Large eyeballs in diving ichthyosaurs
The huge eyes of these extinct reptiles may have been useful deep in the ocean.
REDISCOVERY OF WILBUR KNIGHT'S MEGALNEUSAURUS REX SITE: NEW MATERIAL FROM AN OLD PIT
We report the rediscovery of Wilbur Knight’s 1895 excavation site of the large Jurassic (Oxfordian) pliosaur Megalneusaurus rex from the Sundance Formation. The type specimen (UW4602) is housed at… Expand
Ekalakia (Decapoda: Brachyura): The Preservation of Eyes Links Cretaceous Crabs to Jurassic Ancestors
Abstract Description of a new species of crab, Ekalakia exophthalmops, brings to two the number of species within this Late Cretaceous genus from the upper mid-west in North America. Discovery of… Expand
NEW MATERIAL FROM THE TYPE SPECIMEN OF MEGALNEUSAURUS REX (REPTILIA: SAUROPTERYGIA) FROM THE JURASSIC SUNDANCE FORMATION, WYOMING
In 2008, an articulated distal forelimb of the type specimen of the large pliosauromorph Megalneusaurus rex (UW 4602) was discovered adjacent to the original excavation pit from which two hindlimbs… Expand
A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight
- S. Hartman, M. Mortimer, W. Wahl, Dean R Lomax, Jessica Lippincott, D. Lovelace
- Geography, Medicine
- 10 July 2019
The last two decades have seen a remarkable increase in the known diversity of basal avialans and their paravian relatives. The lack of resolution in the relationships of these groups combined with… Expand
TAPHONOMY OF A NOSE DIVE: BONE AND TOOTH DISPLACEMENT AND MINERAL ACCRETION IN AN ICHTHYOSAUR SKULL.
- W. Wahl
In July 1998, a partially articulated anterior skeleton of Opthalmosaurus was collected from the Redwater Shale Member of the Sundance Formation, Natrona County, WY. The skull was disconnected from… Expand
Palaeoecology of the marine reptiles of the Redwater Shale Member of the Sundance Formation (Jurassic) of central Wyoming, USA
The Redwater Shale Member (Oxfordian) of the Sundance Formation was deposited in the foreland basin of the Cordillera during the last and largest marine transgression of the Jurassic in North… Expand