Of or belonging to, characteristic of, things of the same name or species; esp. in univocal generation, normal or regular generation between male…

Having the qualities of a species. Obsolete.

Of, relating to, or of the nature of a subspecies.

Of the same species, specifically identical (though perhaps differing as varieties).

Biology. Of, relating to, or characteristic of a race of animals, plants, or other organisms (e.g. a particular strain of a pathogen); cf. race, n.6…

= conspecific, adj.

Biology and Geology. Esp. of a species or a landform: surviving from a previous age or in changed circumstances after the extinction or…

Biology. Of a species: existing in small, isolated populations which are the remnants of a formerly extensive distribution, typically having…

Produced, occurring, or existing within a (taxonomic) species or between individuals of a single species.

Biology. Containing or consisting of only one species.

= intraspecific, adj.

Above the level or rank of the species.

(applied to a category) at a lower taxonomic level than a species.

= supraspecific, adj. rare.

consistent throughout a species.