(taxonomy, of a characteristic) Distinguishing an organism or taxon from others that share the same ancestor / (taxonomy, of a taxon) Distinguished by such characteristics

In an apomorphic manner

(phylogenetics) An organism existing in an evolutionary state that represents a morphological change as compared to a previous state.

plural of apomorph

(phylogenetics) apomorphic

plural of apomorphism

(mathematics) The dual of a paramorphism