Jerarquía taxonómica:
Labridae → Thalassoma lucasanum (Gill, 1862)

Familia:
Labridae

Autor:
(Gill, 1862)

Sinónimos:
Julis (Chloricthys) lucasanus Gill, 1862
Thalassoma caeruleomarginata Fowler, 1944
Thalassoma steindachneri Jordan, 1890