Amnigenous :: Amnigenous (a.) Born or bred in, of, or near a river..
Cornigerous :: Cornigerous (a.) Horned; having horns; as, cornigerous animals..
Ignigenous :: Ignigenous (a.) Produced by the action of fire, as lava..
Unigenous :: Unigenous (a.) Being of one kind; being of the same genus.