Ozamia thalassophila is a species of snout moth in the genus Ozamia. It was described by Harrison Gray Dyar Jr. in 1925. It is found in the US state of California.[1]
The wingspan is 28 mm. The forewings are dark grey with darker markings and the hindwings are white.
The larvae feed on Opuntia species, possibly the fruit of Opuntia prolifera.