Flagellicaudata

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Flagellicaudata
Temporal range: Early JurassicEarly Cretaceous, 174–122 Ma
Amargasaurus
Restoration of Amargasaurus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Clade: Diplodocimorpha
Clade: Flagellicaudata
Harris & Dodson, 2004
Families

Flagellicaudata is a clade of Dinosauria. It belongs to Sauropoda and includes two families, the Dicraeosauridae and the Diplodocidae.[1]

Phylogeny

The clade Flagellicaudata was erected by Harris and Dodson (2004) for the diplodocoid clade formed by Dicraeosauridae and Diplodocidae in their paper describing a new genus of sauropod dinosaur, Suuwassea. The authors carried out a phylogenetic analysis and noted that Suuwassea, although more derived than Rebbachisauridae, is in a trichotomy with other families belonging to Diplodocoidea (Diplodocidae and Dicraeosauridae). Flagellicaudata was defined as a node-based clade consisting of the most recent common ancestor of Dicraeosaurus and Diplodocus and all of its descendants. The word "Flagellicaudata" refers to long, whip-like tails of that animals (flagellum is a Latin word meaning "whip" and cauda means in Latin "tail").[1]

Fragment of cladogram presented in Harris and Dodson, 2004:[1]

Diplodocoidea
Flagellicaudata
Diplodocidae
Diplodocinae

Barosaurus

Diplodocus

Apatosaurus

Suuwassea

Dicraeosauridae

Dicraeosaurus

Amargasaurus

Rebbachisaurus

Nigersaurus

Rayososaurus

References

  1. ^ a b c JD Harris, P Dodson (2004). "A new diplodocoid sauropod dinosaur from the Upper Jurassic Morrison Formation of Montana, USA". Acta Palaeontologica Polonica. 49 (2): 197–210.
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