Browsing Editorial by Author "ab2ce4ab-400a-456b-b5e0-a0fa157e20e8"
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Are the eggs -keptand fed by the mother -the ancestral form of reproduction in onychophorans?
Morera, Bernal; Monge-Najera, Julian; Barquero González, José Pablo (Universidad de Costa Rica (Costa Rica), 2019)Onychophorans are the only phylum without current marine representatives and one of the few invertebrates with placenta. Here we propose that the common ancestor, which first emerged to the mainland in Pangea’s time, kept ...