occurring in different geologic time

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  • allochronic — adj. [Gr. allos, other; chronos, time] Not occurring at the same period of time; not contemporary …   Dictionary of invertebrate zoology

  • allochronic — al·lo·chron·ic …   English syllables

  • allochronic — adjective (of taxa) occurring in different geologic times • Similar to: ↑asynchronous …   Useful english dictionary

  • allochronic species — those species that do not occur in the same geological Period …   Dictionary of ichthyology

  • allochronic speciation — Speciation that does not occur at the same period of time, thus causing morphological discontinuity; see synchronic speciation …   Dictionary of invertebrate zoology

  • Asynchronous — A*syn chro*nous, a. [Gr. ? not + synchronous.] Not simultaneous; not concurrent in time; opposed to {synchronous}. Syn: nonsynchronous, unsynchronized, unsynchronous. [Webster 1913 Suppl.] 2. (Paleontology) occurring in different geologic times;… …   The Collaborative International Dictionary of English

  • Sympatric speciation — is the genetic divergence of various populations (from a single parent species) inhabiting the same geographic region, such that those populations become different species. Etymologically, sympatry is derived from the roots sym (meaning same,… …   Wikipedia

  • Rhaphiomidas — Taxobox name = Rhaphiomidas regnum = Animalia phylum = Arthropoda subphylum = Hexapoda classis = Insecta subclassis = Pterygota infraclassis = Neoptera superordo = Endopterygota| ordo = Diptera subordo = Brachycera superfamilia = Asiloidea… …   Wikipedia

  • Magicicada — septendecim Systematik Unterordnung: Rundkopfzikaden (Cicadomorpha) Überfamilie …   Deutsch Wikipedia

  • biospecies — a species in the sense of the biological species concept as a closed community of reproduction with a closed gene pool, i.e. reproductively isolated. Only applies to organisms that occur together at the same time and place and so does not permit… …   Dictionary of ichthyology

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