The Collaborative International Dictionary
Nematogene
Nematogene \Nem"a*to*gene\, n. [Nemato- + root of Gr. ? to be born.] (Zo["o]l.) One of the dimorphic forms of the species of Dicyemata, which produced vermiform embryos; -- opposed to rhombogene.
Wiktionary
nematogene
n. (label en zoology) (alternative spelling of nematogen English)