4 ms·
There has got to be some comparison to ostriches, giant moas and Phorusracids, where the pectoral appendages are absent or vestigial. They're all theropods as
by projektfu 3y ago
There has got to be some comparison to ostriches, giant moas and Phorusracids, where the pectoral appendages are absent or vestigial. They're all theropods as well.