Sauropods were still the dominant herbivores in the Gondwanan landmasses, however.
Hadrosaurs were universally the dominant herbivore of the period and comprised more than half of "a typical assemblage."
By the beginning of the Upper Triassic, rhynchosaurs were still the dominant herbivores.
Yet by the end of the Triassic the dinosaurs (prosauropods) were the dominant herbivores worldwide.
The titanosaurs were the dominant herbivores of the Late Cretaceous on the southern continents.
The new dominant herbivores were usually less ornamented and probably represent "survivors from indigenous lineages" rather than immigrants from other areas.
They were the dominant large terrestrial herbivores through most of the Triassic period.
The odd-toed ungulates have been among the most important herbivorous mammals; at times, they have been the dominant herbivores in many ecosystems.
In the archipelago that was then Europe, huge sauropods appear to have been the dominant herbivores.
Because hadrosaurs were the dominant terrestrial herbivores of that time, they played a major role in structure the ecosystem of the Late Cretaceous period.