The Collaborative International Dictionary of English v.0.48:

paedogenesis \p[ae]`do*gen"esis\
   (p[=e]`d[-o]*j[e^]n"[-e]*s[i^]s), n. [Gr. pai^s, paido`s,
   child + E. genesis.] (Zool.)
   Reproduction by young or larval animals.
   [1913 Webster]