Ankylosaurinae

Ankylosaurinae is a subfamily of ankylosaurid dinosaurs, existing from the Early Cretaceous about 105 million years ago until the end of the Late Cretaceous, about 66 mya. Many genera are included in the clade, such as Ankylosaurus, Pinacosaurus, Euoplocephalus, and Saichania.

Ankylosaurinae
Temporal range: Cretaceous, 105–66 Ma
Scolosaurus thronus RTMP.jpg
Skeleton of Scolosaurus thronus, once referred to Euoplocephalus. Royal Tyrrell Museum of Palaeontology
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Ornithischia
Family: Ankylosauridae
Subfamily: Ankylosaurinae
Brown, 1908[1]
Genera[1]

FeaturesEdit

Ankylosaurines are defined as being closer relatives to Ankylosaurus than to Shamosaurus.[2]

Diagnostic features of ankylosaurines include the nuchal shelf that obscures the occiput in dorsal view, and the quadrate condyle which is obscured lightly by the quadratojugal boss.[2]

PhylogenyEdit

The following cladogram is based on the 50% majority rule phylogenetic analysis of Arbour & Currie (2015):[1]

Ankylosaurinae

Crichtonsaurus (nomen dubium)

Tsagantegia

Zhejiangosaurus (nomen dubium)

Pinacosaurus

Saichania

Tarchia

Zaraapelta

Ankylosaurini

Dyoplosaurus

Talarurus

Nodocephalosaurus

Ankylosaurus

Anodontosaurus

Euoplocephalus

Scolosaurus

Ziapelta

ReferencesEdit

  1. ^ a b c Arbour, Victoria M.; Currie, Philip J. (2015). "Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs". Journal of Systematic Palaeontology. 14 (5): 1. doi:10.1080/14772019.2015.1059985.
  2. ^ a b Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004). The Dinosauria. Berkeley, CA and Los Angeles, CA and London, England: University of California Press. pp. 389, 861. ISBN 0-520-24209-2. Retrieved April 9, 2010.