Saturnaliinae

Saturnaliinae is a clade of sauropodomorph dinosaurs found in Brazil and Argentina.

Saturnaliinae
Temporal range: Late Triassic, 233.23–231.4 Ma
↓
Life restoration of Saturnalia tupiniquim
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: †Sauropodomorpha
Subfamily: †Saturnaliinae
Ezcurra, 2010
Type species
†Saturnalia tupiniquim
Langer et al., 1999
Genera

In 2010, Martin Ezcurra defined the subfamily Saturnaliinae for the clade containing Saturnalia and Chromogisaurus, which were found to be close relatives in several studies.[1] While they are sometimes found to be a subgroup within the Guaibasauridae,[1] other studies have found the saturnaliines to form an independent lineage at the very base of the sauropodomorph family tree.[2] Langer and colleagues (2019) recovered Pampadromaeus and Panphagia as relatives of Saturnalia and Chromogisaurus, elevating Saturnaliinae to family rank as Saturnaliidae. They recovered Guaibasaurus as a basal theropod.[3]

References
  1. Ezcurra, Martin D. (2010). "A new early dinosaur (Saurischia: Sauropodomorpha) from the Late Triassic of Argentina: a reassessment of dinosaur origin and phylogeny". Journal of Systematic Palaeontology. 8 (3): 371–425. doi:10.1080/14772019.2010.484650.
  2. Cecilia Apaldetti; Ricardo N. Martinez; Oscar A. Alcober & Diego Pol (2011). Claessens, Leon (ed.). "A New Basal Sauropodomorph (Dinosauria: Saurischia) from Quebrada del Barro Formation (Marayes-El Carrizal Basin), Northwestern Argentina". PLoS ONE. 6 (11): e26964. doi:10.1371/journal.pone.0026964. PMC 3212523. PMID 22096511.
  3. Langer MC, McPhee BW, Marsola JCdA, Roberto-da-Silva L, Cabreira SF (2019) Anatomy of the dinosaur Pampadromaeus barberenai (Saurischia—Sauropodomorpha) from the Late Triassic Santa Maria Formation of southern Brazil. PLoS ONE 14(2): e0212543. https://doi.org/10.1371/journal.pone.0212543
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