Metatrochophore

A metatrochophore (/ˌmiːtəˈtroʊkəˌfɔər, ˌmɛ-, -ˈtrɒ-, -koʊ-/;) is a type of larva developed from the trochophore larva of a polychaete annelid.

Metatrochophores have a number of features trochophores don't, including eyespots and segments.