semispecies


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semispecies

a taxonomic group intermediate between a SPECIES and a SUBSPECIES, usually as a result of geographical isolation. see SUPERSPECIES.
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Drosophila paulistorum is composed of six semispecies as defined by ability to produce fertile hybrids.
poecilogyrus is the most differentiated subspecies and displays concordance of color pattern, ventral and maxillary tooth number, as well as the trends mentioned above; it can be viewed as a semispecies.
Semispecies relationships between Heliconius erato cyrbia Godt.
Harrison 1990), hybridization can refer to the interbreeding of individuals belonging to different populations or semispecies as well as different species, so the validity of the analysis does not depend critically on whether the PCR-RFLP haplotypes are recognized as separate species rather than as semispecies.