pedomorphosis


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Related to pedomorphosis: paedomorphosis, pedomorphic

pe·do·mor·pho·sis

(pē′də-môr′fə-sĭs)
n. pl. pe·do·mor·pho·ses (-sēz′)
References in periodicals archive ?
The simple anatomy of many interstitial species, hypothesized to be the result of regressive evolution, or pedomorphosis, make these opisthobranchs especially difficult to classify and therefore similar in many respects to other interstitial and meiobenthic animals with equally elusive origins (Swedmark, 1968).
There is no reason to assume that pedomorphosis led to the occurrence of the seventh segment in adult leptostracans and to the loss of the highly complex eumalacostracan tail-fan (Hessler, 1983; Paul et al.