monotypic

/mon-uh-tip-ik/US // ˌmɒn əˈtɪp ɪk //UK // (ˌmɒnəʊˈtɪpɪk) //

单型的,单型,单型性,单类型

Definitions

adj.形容词 adjective

1
- : having only one type.
- : of the nature of a monotype.
- : Biology. having only one representative, as a genus with a single species.

Other references to the monotypic genus have consisted only of a listing of the name or of its inclusion in a key.
We follow Chang (1932:54) and most subsequent authors in regarding D. rufozonatum as a monotypic species.
The synonymy of each monotypic species or subspecies begins with the name as given in the original description.
It is evident, then, as Romanes claims, that natural selection alone tends to monotypic evolution.
First, the distinction between monotypic and polytypic evolution is not defined.