(a.) of the same species.

affiliated affinal affinitive akin alike allied analogous avuncular closely related cognate collateral comparable congeneric congenerous congenial connate connatural connected consanguine consanguinean consanguineous conspecific correlative corresponding distantly related enate foster genetically related german germane incident kindred matrilateral matrilineal matroclinous novercal of common source of the blood parallel patrilateral patrilineal patroclinous related related by blood sib sibling similar undifferentiated uniform uterine