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  • Title: High diversity of the Ganzhou Oviraptorid Fauna increased by a new "cassowary-like" crested species.
    Author: Lü J, Li G, Kundrát M, Lee YN, Sun Z, Kobayashi Y, Shen C, Teng F, Liu H.
    Journal: Sci Rep; 2017 Jul 27; 7(1):6393. PubMed ID: 28751667.
    Abstract:
    A new oviraptorid dinosaur from the Late Cretaceous of Ganzhou, bringing oviraptrotid diversity of this region to seven taxa, is described. It is characterized by a distinct cassowary-like crest on the skull, no pleurocoels on the centra from the second through fourth cervical vertebrae, a neck twice as long as the dorsal vertebral column and slightly longer than the forelimb (including the manus). Phylogenetic analysis recovers the new oviraptorid taxon, Corythoraptor jacobsi, as closely related to Huanansaurus from Ganzhou. Osteochronology suggests that the type specimen of Corythoraptor had not reached stationary growth stage but died while decreasing growth rates. The histology implies that it would correspond to an immature individual approximately eight years old. We hypothesize, based on the inner structure compared to that in modern cassowaries, that the prominent casque of Corythoraptor was a multifunction-structure utilized in display, communication and probably expression of the fitness during mating seasons.
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