Darla K. Zelenitsky

Publications55
h-index20
Citations1,171
Highly Influential Citations122
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Olfactory acuity in theropods: palaeobiological and evolutionary implications
This research presents the first quantitative evaluation of the olfactory acuity in extinct theropod dinosaurs. Olfactory ratios (i.e. the ratio of the greatest diameter of the olfactory bulb to the… Expand
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Feathered Non-Avian Dinosaurs from North America Provide Insight into Wing Origins
Fancy Feathers In the past few decades, an increasing number of dinosaurs have been shown to have possessed feathers. While it seems likely that feathers themselves may have evolved for… Expand
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A Pair of Shelled Eggs Inside A Female Dinosaur
An oviraptosaurian specimen (Dinosauria, Theropoda) from an Upper Cretaceous formation in China retains a pair of shelled eggs in the pelvis, providing direct evidence that oviraptorosaurian… Expand
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Parataxonomic classification of ornithoid eggshell fragments from the Oldman Formation (Judith River Group; Upper Cretaceous), southern Alberta
Examination of a large number of eggshell fragments collected from the Oldman Formation of southern Alberta reveals a greater ootaxonomic diversity than is known from complete eggs or clutches. Three… Expand
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Eggshell Taphonomy at Modern Gull Colonies and a Dinosaur Clutch Site
Abstract Eggshell taphonomy often is acknowledged to be worthy of investigation, but few studies have examined factors influencing eggshell preservation. In this study eggshell weathering,… Expand
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Evolution of olfaction in non-avian theropod dinosaurs and birds
Little is known about the olfactory capabilities of extinct basal (non-neornithine) birds or the evolutionary changes in olfaction that occurred from non-avian theropods through modern birds.… Expand
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Normal and pathological eggshells of Spheroolithus albertensis, oosp. nov., from the Oldman Formation (Judith River Group, late Campanian), southern Alberta
ABSTRACT Eggshell fragments collected from the Oldman Formation, southern Alberta, are described as Spheroolithus albertensis, oosp. nov. This oospecies exhibits a spheroolithid microstructure,… Expand
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FIRST RECORD OF ELONGATOOLITHID THEROPOD EGGSHELL FROM NORTH AMERICA: THE ASIAN OOGENUS MACROELONGATOOLITHUS FROM THE LOWER CRETACEOUS OF UTAH
Abstract Theropod eggshell is identified for the first time from the Lower Cretaceous of North America. Eggshell microstructure and variability in ornamentation and thickness of this material is… Expand
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New eggshell of ratite morphotype with predation marks from the Eocene of Colorado
ABSTRACT A large number of eggshell fragments from a single locality of the lower Eocene (?Wa5-Wa6 biochron) DeBeque Formation of northwestern Colorado are interpreted as representing a single,… Expand
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PHYLOGENETIC ANALYSIS OF REPRODUCTIVE TRAITS OF MANIRAPTORAN THEROPODS AND ITS IMPLICATIONS FOR EGG PARATAXONOMY
A phylogenetic analysis of reproductive and oological (egg) traits of theropod taxa allows determination of the sequence in which these traits evolved in Theropoda. Our results indicate that several… Expand
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