Diplodocoidea

Diplodocoidea

Eumetazoa

Diplodocoids
Temporal range: Late JurassicEarly Cretaceous, 154–93 Ma
Diplodocus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
Node: Neosauropoda
Superfamily: Diplodocoidea
Marsh, 1884
Type species
Diplodocus longus
Marsh, 1878
Subgroups
Synonyms

Diplodocoidea was a superfamily of sauropod dinosaurs, which included some of the longest animals of all time, including slender giants like Supersaurus, Diplodocus, Apatosaurus, and Amphicoelias. Most had very long necks and long, whip-like tails; however, one family (the dicraeosaurids) are the only known sauropods to have re-evolved a short neck, presumably an adaptation for feeding low to the ground. This adaptation was taken to the extreme in the highly specialized sauropod Brachytrachelopan. A study of snout shape and dental microwear in diplodocoids showed that the square snouts, large proportion of pits, and fine subparallel scratches in Apatosaurus, Diplodocus, Nigersaurus, and Rebbachisaurus suggest ground-height nonselective browsing; the narrow snouts of Dicraeosaurus, Suuwassea, and Tornieria and the coarse scratches and gouges on the teeth of Dicraeosaurus suggest mid-height selective browsing in those taxa.[1]

Taxonomy

Infraorder Sauropoda

References

Tyrannoskull.jpg Dinosaurs portal

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  • Nigersaurus — Umrissrekonstruktion i. W. auf Grundlage der erhaltenen Knochen von vier Individuen [1] Zeitraum Untere Kreide (Aptium bis Albium) …   Deutsch Wikipedia

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  • Suuwassea — Schädelrekonstruktion von Suuwassea (unten links, von oben betrachtet) zusammen mit Schädeln anderer Vertreter der Diplodocoidea. Aus Whitlock, 2011[1]. Ze …   Deutsch Wikipedia

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