The Collaborative International Dictionary of English v.0.48:
Congeneric \Con`ge*ner"ic\, Congenerical \Con`ge*ner"ic*al\, a. Belonging to the same genus; allied in origin, nature, or action; of or pertaining to a congener. --R. Owen. [1913 Webster]WordNet (r) 3.0 (2006):
congenerical adj 1: belonging to the same genus [syn: congeneric, congenerical, congenerous]