congeneric

He arrives at this conclusion from a geographical survey of what he would call the "whole field of distribution," and "the probable historical connection between these congeneric species."

From Life: Its True Genesis by R. W. Wright

What it is we already have seen: a material reality, and as such divisible into parts, placed in the world in the midst of a congeneric multitude.

From The Reform of Education by Giovanni Gentile

Isotypical: a genus described from more than one species, all of which are congeneric.

From Explanation of Terms Used in Entomology by John. B. Smith

The seats, however, of barbarous hordes, in a waste and almost desert country, are seldom stationary for any continuance; and the Ballogees and Sewees are probably congeneric tribes, much intermixed, and having no fixed boundaries.

From A General History and Collection of Voyages and Travels — Volume 09 Arranged in Systematic Order: Forming a Complete History of the Origin and Progress of Navigation, Discovery, and Commerce, by Sea and Land, from the Earliest Ages to the Present Time by Robert Kerr

Suffice it to say, that he frankly accepts the inferences derived from the whole course of observation, and contemplates a probable historical connection between congeneric species.

From Darwiniana; Essays and Reviews Pertaining to Darwinism by Asa Gray