The ancestors of the Theropoda appear first in the Triassic period, already of large size, but less completely bipedal than their successors.
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The ancestors of the Theropoda appear first in the Triassic period, already of large size, but less completely bipedal than their successors.
Source: tatoeba (11643778)
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.