Definition, Meaning & Synonyms

autapomorphy

noun

ˌɔːtəˈpɒmərfi

Definition

A characteristic or trait that is unique to a particular taxon and not shared with other taxa.

Examples

The long beak of the kiwi is considered an autapomorphy of this species.
In phylogenetics, identifying autapomorphies can help clarify evolutionary relationships.
The presence of feathers in certain dinosaurs serves as an autapomorphy distinguishing them from reptiles.

Meaning

Autapomorphy refers to a distinctive or derived trait that sets a specific group apart from others, helping to identify and classify it in the broader context of evolutionary biology.