incipient species


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incipient species

[in′sip·ē·ənt ¦spē·shēz]
(evolution)
Populations that are in the process of diverging to the point of speciation but still have the potential to interbreed.
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One aspect of SPH is that it casts the levels as developmental stages with irreversible trajectories of individuation (think of the incipient species becoming a [humanly] recognized species which ultimately gives rise to another species lineage).
An incipient species is an isolated group of animals presumed to be in the early stages of evolving into a new species.
The book also recognizes 26 select taxa as distinct species or bracketed incipient species with their own English names, where the ABC checklist does not recognize them as species.