Ganzhousaurus

Ganzhousaurus (meaning "Ganzhou lizard") is an extinct genus of oviraptorine oviraptorid dinosaur known from the Late Cretaceous Nanxiong Formation of Nankang County, Ganzhou City of Jiangxi Province, southern China. It was found in a Maastrichtian deposit and contains a single species, Ganzhousaurus nankangensis. It is distinguished by a combination of primitive and derived features.[1]

Ganzhousaurus
Temporal range: Late Cretaceous, 72–66 Ma
Restoration
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Theropoda
Family: †Oviraptoridae
Subfamily: †Heyuanninae
Genus: †Ganzhousaurus
Wang et al., 2013
Type species
†Ganzhousaurus nankangensis
Wang et al., 2013

Phylogeny

Phylogenetic analysis places Ganzhousaurus within Oviraptoridae. Within Oviraptoridae its phylogenetic position is more unstable, with one phylogenetic analysis recovering it as a member of the Oviraptorinae and another recovering it as a more derived member of the group, closely related to "ingeniines"[1][2] However, it also bears some similarities to the basal caenagnathid Gigantoraptor.[1]

Paleobiology

Ganzhousaurus shared its habitat with at least four other oviraptorid species, Jiangxisaurus ganzhouensis, Nankangia jinzhouensis, Banji long, and an as-yet unnamed species. This diversity may have been made possible by niche partitioning, with Ganzhousaurus being primarily herbivorous.[3]

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See also

References
  1. Wang, S.; Sun, C.; Sullivan, C.; Xu, X. (2013). "A new oviraptorid (Dinosauria: Theropoda) from the Upper Cretaceous of southern China". Zootaxa. 3640 (2): 242. doi:10.11646/zootaxa.3640.2.7. PMID 26000415.
  2. Lamanna, M. C.; Sues, H. D.; Schachner, E. R.; Lyson, T. R. (2014). "A New Large-Bodied Oviraptorosaurian Theropod Dinosaur from the Latest Cretaceous of Western North America". PLoS ONE. 9 (3): e92022. doi:10.1371/journal.pone.0092022. PMC 3960162. PMID 24647078.
  3. Lü, J.; Yi, L.; Zhong, H.; Wei, X. (2013). Dodson, Peter (ed.). "A New Oviraptorosaur (Dinosauria: Oviraptorosauria) from the Late Cretaceous of Southern China and Its Paleoecological Implications". PLoS ONE. 8 (11): e80557. doi:10.1371/journal.pone.0080557. PMC 3842309. PMID 24312233.


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