Morphinae should not be confused with Morphine.
The Morphinae are a subfamily of Nymphalidae butterflies that includes the morphos, the owl butterflies (Caligo), and related lineages. It is either considered a sister group of the Satyrinae, or disassembled and included therein.
This group sometimes includes the monotypic (sub)tribe Biina, otherwise placed in the Brassolini.[1] This group is the subject of intense study and the following classification is subject to modification.[2]
Listed alphabetically by tribe.[3]
Tribe Amathusiini (sometimes considered a distinct subfamily Amathusiinae):
Tribe Brassolini (previously considered a distinct subfamily Brassolinae):
Tribe Morphini: