they dint created reptilian races. there appears to be a number of them in the trek universe, voth the most advanced, Gorn, reptilian Xindis. they only created the human-like ones, and progenitors unlikely seeded the Xindi homeworld. xindi also an AVIAN species too.
Star Trek: Voyager has a specific answer to this question.
now that I think about it, how would that fit into the progenitor lore?
they dint created reptilian races. there appears to be a number of them in the trek universe, voth the most advanced, Gorn, reptilian Xindis. they only created the human-like ones, and progenitors unlikely seeded the Xindi homeworld. xindi also an AVIAN species too.
According to the TNG story, they planted the seeds in very early stages of life so way before the last common ancestor of humans and dinosaurs
The Progenitors only created a handful of Humanoid species across planets.