congeneric

There is no reason why these two birds should be considered congeneric, except a general similarity in colour and habits.

From The Nests and Eggs of Indian Birds, Volume 1 by Allan Octavian Hume

How came it that Taylor did not apply the same process to the congeneric question of the freedom of the will?

From The Literary Remains of Samuel Taylor Coleridge by Henry Nelson Coleridge

As a matter of fact Chicken-pox is of congeneric origin with small-pox, with which, in a very much milder degree, it has various features in common.

From Valere Aude Dare to Be Healthy, Or, The Light of Physical Regeneration by Louis Dechmann

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

Two genera of pocket gophers should be congeneric.

From An Annotated Check List of the Mammals of Michoac?n, M?xico by Bernardo Villa R.