semispecies
/ˈsemɪˌspiːʃɪz/Chiefly Biology
noun
A subdivision of a species, especially one regarded as having more individuality than does a subspecies; specifically each of two or more biological subspecies (or species) that together constitute a superspecies.
Origin
Early 19th century. From semi- + species, apparently originally after German Halbart, lit. ‘half-species’.