Lirainosaurinae

Lirainosaurinae is a subfamily of saltasaurid titanosaur sauropods from the Late Cretaceous of France, Spain, and Romania.

Lirainosaurines
Temporal range: Late Campanian-Early Maastrichtian, 74–66 Ma
Skeletal mount of Ampelosaurus atacis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: †Sauropodomorpha
Clade: †Sauropoda
Clade: †Eusauropoda
Clade: †Neosauropoda
Clade: †Macronaria
Clade: †Titanosauria
Clade: †Eutitanosauria
Clade: †Lithostrotia
Clade: †Lirainosaurinae
Díez Díaz et al. 2018[1]
Genera[1]

Systematics

Lirainosaurinae was defined by Díez Díaz et al. (2018) as comprising "Lirainosaurus, Ampelosaurus, their common ancestor, and all of its descendants", and includes the two definitional taxa as well as Atsinganosaurus, Lohuecotitan, and Paludititan. The five genera are known from Europe and all within the timespan of the late Campanian (Lirainosaurus) to early Maastrichtian (Ampelosaurus and Atsinganosaurus). Lirainosaurinae was recovered by Diez et al. (2018) as phylogenetically intermediate between the clades traditionally considered Saltasauridae and a clade containing taxa normally found in Aeolosaurini and Lognkosauria.[1] Unpublished cladistic results by Mocho et al. (2019) recover Lohuecotitan and Paludititan as members of Lirainosaurinae, and place Lirainosaurinae as an early-diverging branch of Saltasauridae.[2]

Lithostrotia
 

Malawisaurus

 
 
 
 

Paludititan

 
 

Lohuecotitan

 
 
 
 

Epachthosaurus

 
 
 
Opisthocoelicaudiinae
 

Alamosaurus

 
 

Opisthocoelicaudia

 
 
 
 
 
Saltasaurinae
 

Neuquensaurus

 
 
 

Rocasaurus

 
 

Saltasaurus

 
 
 
 
 
 
Lirainosaurinae
 

Lirainosaurus

 
 
 

Atsinganosaurus

 
 

Ampelosaurus

 
 
 
 
 
 

Bonatitan

 
 
 
 

Rapetosaurus

 
 

Nemegtosaurus

 
 
 
Aeolosaurinae
 

Gondwanatitan

 
 

Aeolosaurus

 
 
Rinconsauria
 

Rinconsaurus

 
 
 

Muyelensaurus

 
 
 

Bonitasaura

 
Lognkosauria
 

Mendozasaurus

 
 

Futalognkosaurus

 
 
 
 
 
 
 
 
 
 
 
 
 
 

References

  1. Díez Díaz, V.; Garcia, G.; Pereda-Suberbiola, X.; Jentgen-Ceschino, B.; Stein, K.; Godefroit, P.; Valentin, X. (2018). "The titanosaurian dinosaur Atsinganosaurus velauciensis (Sauropoda) from the Upper Cretaceous of southern France: New material, phylogenetic affinities, and palaeobiogeographical implications". Cretaceous Research. 91: 429–456. doi:10.1016/j.cretres.2018.06.015.
  2. Mocho P, Páramo A, Escaso F, Marcos-Fernández F, Vidal D, Ortega F. 2019. Titanosaurs from Lo Hueco (Campanian-Maastrichtian) reveal new information about the evolutionary history of European titanosaurs, pp. 111. In: The Palaeontological Association (ed.), 63rd Annual Meeting, 15th–21st December 2019, University of Valencia, Spain, Programme Abstracts, AGM papers
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