Having but one type; consisting of a single representative; represented by a monotype, as a genus of one species, a family of one genus, etc.

Being a monotype; alone representing a given group, as a species single in its genus. Also monotypal and monotypical.

adjective. Relating to or exhibiting monotypy

adjective. consisting of only one type

"Genera that contain only one species are termed monotypic category page for this topic but their lists are limited, since Wikipedia is not a comprehensive taxonomy resource."

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