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Macronarians
Fossil range: Middle JurassicLate Cretaceous
Several macronarian sauropods
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
(unranked): Macronaria
Wilson & Sereno, 1998
Clades

Camarasauridae
Titanosauriformes

Macronaria is a clade of sauropod dinosaurs from the Middle Jurassic (Bathonian) to Late Cretaceous Periods of what are now North America, South America, Europe, Asia and Africa. The name means 'large nostrils', in reference to the large nasal openings high on the head that probably supported fleshy resonating chambers. Macronaria consists of two main groups: the family Camarasauridae, and the clade Titanosauriformes. Titanosauriformes in turn contains the brachiosaurids and the titanosaurians and is one of the largest sauropod groups, which also contains most of the longest, tallest and most massive dinosaurs of all time.

Systematics

References

  1. ^ Zhang Xingliao; et al. (2009). "A New Sauropod Dinosaur from the Late Cretaceous Gaogou Formation of Nanyang, Henan Province". Acta Geologica Sinica 83: 212. doi:10.1111/j.1755-6724.2009.00032.x.  
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Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Reptilia
Subclassis: Diapsida
Infraclassis: Archosauromorpha
Divisio: Archosauria
Subsectio: Ornithodira
Superordo: Dinosauria
Ordo: Saurischia
Taxon: Eusaurischia
Subordo: Sauropodomorpha
Infraordo: Sauropoda
Taxon: Eusauropoda
Taxon: Neosauropoda
Taxon: Macronaria
Superfamiliae: Camarasauromorpha - Unspecified Macronaria Superfamily - Incertae sedis

Name

Macronaria Wilson et Sereno, 1998


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