C. Sullivan

Publications90
h-index29
Citations2,669
Highly Influential Citations239
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Rates of Dinosaur Body Mass Evolution Indicate 170 Million Years of Sustained Ecological Innovation on the Avian Stem Lineage
Early dinosaurs showed rapid evolutionary rates, which were sustained on the line leading to birds. Maintenance of evolvability in key lineages might explain the uneven distribution of trait…
A Jurassic ceratosaur from China helps clarify avian digital homologies
TLDR
A new basal Ceratosaur from the Oxfordian stage of the Jurassic period of China is reported, representing the first known Asian ceratosaur and the only known beaked, herbivorous Jurassic theropod, and possesses a strongly reduced manual digit I, documenting a complex pattern of digital reduction within the Theropoda.
A new feathered maniraptoran dinosaur fossil that fills a morphological gap in avian origin
Recent fossil discoveries have substantially reduced the morphological gap between non-avian and avian dinosaurs, yet avians including Archaeopteryx differ from non-avian theropods in their limb…
A bizarre Jurassic maniraptoran from China with elongate ribbon-like feathers
TLDR
This finding shows that a member of the avialan lineage experimented with integumentary ornamentation as early as the Middle to Late Jurassic, and provides further evidence relating to this aspect of the transition from non-avian theropods to birds.
The Vertebrates of the Jurassic Daohugou Biota of Northeastern China
TLDR
The Daohugou Biota and the Jehol Biota are two successive Lagerstätte assemblages that collectively offer a taphonomically consistent window into the Mesozoic life of northeast Asia over a significant span of geologic time.
A bizarre Jurassic maniraptoran theropod with preserved evidence of membranous wings
TLDR
Documentation of the unique forelimbs of Yi greatly increases the morphological disparity known to exist among dinosaurs, and highlights the extraordinary breadth and richness of the evolutionary experimentation that took place close to the origin of birds.
The Permian mammal-like herbivore Diictodon, the oldest known example of sexually dimorphic armament
TLDR
This earliest well–documented example of dimorphic armament suggests that sexual dimorphism, and the complex social behaviour that accompanies it, have long been characteristic of the synapsid lineage.
CRANIAL ANATOMY AND TAXONOMY OF THE LATE PERMIAN DICYNODONT DIICTODON
TLDR
Reexamination of the cranial anatomy of the abundant Late Permian dicynodont Diictodon confirms suggestions that only one species, D. feliceps, is recognizable, and suggests that tusked and tuskless specimens do indeed represent distinct biological categories, but it seems highly probable that they are divisions within a single species rather than distinct species.
A new dromaeosaurid (Dinosauria: Theropoda) from the Upper Cretaceous Wulansuhai Formation of Inner Mongolia, China
TLDR
A number of cranial and dental features seen in L. exquisitus and T. mangas suggest that these two taxa are probably intermediate in systematic position between known basal and derived dromaeosaurids, and the discovery of Linheraptor exquis Titus is thus important for understanding the evolution of some salient feature seen in the derived dronaeosaurusids.
A Short-Armed Troodontid Dinosaur from the Upper Cretaceous of Inner Mongolia and Its Implications for Troodontid Evolution
TLDR
The discovery of Linhevenator suggests that derived troodontids have independently evolved a highly specialized pedal digit II and have significantly shortened the forelimb over the course of their evolution.
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