Daliansaurus

Daliansaurus
Temporal range: Barremian, 125 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Theropoda
Family: Troodontidae
Subfamily: Sinovenatorinae
Genus: Daliansaurus
Shen et al., 2017
Type species
Daliansaurus liaoningensis
Shen et al., 2017

Daliansaurus (meaning "Dalian reptile") is a genus of troodontid theropod dinosaur from the Early Cretaceous of China. It contains a single species, D. liaoningensis, named in 2017 by Shen and colleagues from a nearly complete skeleton. Daliansaurus is unusual in possessing an enlarged claw on the fourth digit of the foot, in addition to the "sickle claw" found on the second digit of the feet of most paravians.[1]

Classification

In 2017, Shen et al. described Daliansaurus and the new group Sinovenatorinae, within the Troodontidae, related to Mei, Sinovenator, and Sinusonasus. The results of their analysis are shown below.[1]

Deinonychosauria 


Dromaeosauridae


 Troodontidae 



Eosinopteryx



Anchiornis




Aurornis



Xiaotingia






IGM 100/44



Byronosaurus



Xixiasaurus


 Jinfengopteryginae 


IGM 100/1323




IGM 100/1128



Jinfengopteryx




 Sinovenatorinae 


Mei




Sinovenator




Daliansaurus



Sinusonasus







Sinornithoides




Troodon




Zanabazar



Saurornithoides








References

  1. 1 2 Shen, C.; Lu, J.; Liu, S.; Kundrát, M.; Brusatte, S.L.; Gao, H. (2017). "A New Troodontid Dinosaur from the Lower Cretaceous Yixian Formation of Liaoning Province, China". Acta Geologica Sinica. 91 (3): 763–780. doi:10.1111/1755-6724.13307.
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