Adjective
Having but one type; containing but one representative; as, a monotypic genus, which contains but one species.
Source: Webster's dictionaryI think, to a great degree, we humans still divide ourselves into two species, even though we are monotypic. There are males and females. We see them as different and not equal. Henry Rollins
A cladistic analysis of DNA sequence data of the S7 ribosomal protein intron 1 supports the view that it is distinct enough to constitute a monotypic subfamily. Source: Internet
Probably belong into Timaliidae * Guam bridled white-eye, Zosterops conspicillatus conspicillatus (Guam, Marianas, 1983) : Bridled white-eye nominate subspecies or possibly monotypic species. Source: Internet
One last known fact of the Labrador duck is that it belonged to a monotypic genus. Source: Internet
Several taxa turned out to represent highly distinct species-poor lineages, so new families had to be established, some of them – like the stitchbird of New Zealand and the Eurasian bearded reedling – monotypic with only one living species. Source: Internet
Since it may be more closely related to the rhinoceros auklet than the other puffins, it is sometimes placed in the monotypic genus Lunda. Source: Internet