"The distinction between retention of juvenile characteristics in an adult form and accelerated sexual maturity in a larval or juvenile form has not always been made, and may be difficult to establish in practice. The terms neoteny and paedogenesis have been applied to both processes, and paedomorphosis to the result of either. Cf. also progenesis n." Kommentar (på engelska) i Oxford English Dictionary, uppslagsordet neoteny.
