The taxonomy of Okenia zoobotryon (Smallwood, 1910) has been extremely problematic, affected by vague original description, complementary descriptions with confusing information, and re-descriptions of species using material collected across a wide geographic range without reference to type material. A recent study based on morphological and molecular data showed that specimens initially identified as O. zoobotryon from Australia belonged to a recently described species, Okenia harastii Pola, Roldán and Padilla, 2014. The collection of several specimens from the type locality, Bermuda, facilitated a complete re-description of O. zoobotryon, with color photographs of the living animal and scanning electron microscopy pictures. In order to preserve the current use of the name Okenia zoobotryon (Smallwood, 1910), a neotype is proposed for this species.