nepionic

English

Etymology

Ancient Greek νήπιος (nḗpios, “infant”) -n- +‎ -ic

Adjective

nepionic (comparative more nepionic, superlative most nepionic)

1. (zoology) immature
   • 1954, Alan Hilder Smout, Lower Tertiary Foraminifera of the Qatar Peninsula, British Museum (Natural History), page 25:

     A microspheric nucleoconch does not have an obvious deuteroconch, and is followed by a spiral nepionic stage, no matter what the adult chamber arrangement may be.