Suvarna Garge

Centrosaurinae

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Kingdom  Animalia
Clade  Dinosauria
Higher classification  Ceratopsidae
Phylum  Chordata
Order  â€ Ornithischia
Rank  Subfamily
Centrosaurinae img05deviantartnet86f6i2015105bbcentrosau
Lower classifications  Styracosaurus, Centrosaurus, Achelousaurus, Nasutoceratops

Pl2 horned dinosaur centrosaurinae diversity


The Centrosaurinae is a subfamily of ceratopsid dinosaurs named by paleontologist Lawrence Lambe, in 1915, with Centrosaurus as the type genus. The centrosaurines are further divided into two tribes, the centrosaurins and the pachyrhinosaurins.

Contents

ClassificationEdit

The below species were found to belong in Centrosaurinae by a 2014 publication (unless otherwise noted):

  • Centrosaurinae
  • Xenoceratops foremostensis
  • Monoclonius lowei
  • Coronosaurus brinkmani
  • Nasutoceratops titusi
  • Styracosaurus albertensis
  • Centrosaurus apertus
  • Spinops sternbergorum
  • Avaceratops lammersi
  • Machairoceratops cronusi
  • Diabloceratops eatoni
  • Albertaceratops nesmoi
  • Pachyrhinosaurini
  • Sinoceratops zhuchengensis
  • Wendiceratops pinhornensis
  • Einiosaurus procurvicornis
  • Rubeosaurus ovatus
  • Pachyrostra
  • Achelousaurus horneri
  • Pachyrhinosaurus
  • Pachyrhinosaurus lakustai
  • Pachyrhinosaurus perotorum
  • Pachyrhinosaurus canadensis
  • The cladogram presented here follows a 2012 phylogenetic analysis by Ryan, Evans & Shepherd. Clade names within Centrosaurinae follow Fiorillo & Tykoski (2012).


    This cladogram follows the phylogenetic analysis performed by Sampson et al. (2013). As is the case above, clade names within Centrosaurinae follow Fiorillo & Tykoski (2012).

    ReproductionEdit

    Possible neonate sized centrosaurine fossils have been documented in the scientific literature. Research indicates that centrosaurines did not achieve fully developed mating signals until nearly fully grown. Scott D. Sampson finds commonality between the slow growth of mating signals in centrosaurines and the extended adolescence of animals whose social structures are ranked hierarchies founded on age-related differences. In these sorts of groups young males are typically sexually mature for several years before actually beginning to breed, when their mating signals are most fully developed. Females, by contrast do not have such an extended adolescence.-265" />

    References

    Centrosaurinae Wikipedia


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