Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
allochronic is an adjective meaning "(of taxa) occurring in different geologic times". It carries one recorded sense.
(of taxa) occurring in different geologic times
Definitions, synonyms and semantic relations for allochronic come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.