Boltenia legumen Lesson, 1830 accepted as Pyura legumen (Lesson, 1830) (original description)
Callianira bucephalon Reynaud in Lesson, 1831 (original description)
Chrysaora blossevillii Lesson, 1830 accepted as Chrysaora lactea Eschscholtz, 1829 (original description)
Cyanea plocamia Lesson, 1830 accepted as Chrysaora plocamia (Lesson, 1830) (original description)
Cynthia gregaria Lesson, 1830 accepted as Paramolgula gregaria (Lesson, 1830) (original description)
Cynthia verrucosa Lesson, 1830 accepted as Cnemidocarpa verrucosa (Lesson, 1830) (original description)
Holothuria (Cucumaria) crocea Lesson, 1830 accepted as Cladodactyla crocea crocea (Lesson, 1830) (original description)
Holothuria (Fistularia) hilla Lesson, 1830 accepted as Holothuria (Mertensiothuria) hilla Lesson, 1830 (original description)
Holothuria (Fistularia) oceanica Lesson, 1830 accepted as Synapta maculata (Chamisso & Eysenhardt, 1821) (original description)
Holothuria (Fistularia) purpurea Lesson, 1830 accepted as Trochodota purpurea Pawson, 1969 accepted as Taeniogyrus purpureus (Lesson, 1830) (original description)
Holothuria (Holothuria) quadrangularis Lesson, 1830 (original description)
Holothuria (Holothuria) timama Lesson, 1830 accepted as Holothuria (Metriatyla) lessoni Massin, Uthicke, Purcell, Rowe & Samyn, 2009 (original description)
Holothuria (Mertensiothuria) hilla Lesson, 1830 (original description)
Holothuria (Mulleria) peruviana Lesson, 1830 accepted as Anaperus peruvianus (Lesson, 1830) (original description)
Holothuria (Psolus) monacaria Lesson, 1830 accepted as Actinopyga varians (Selenka, 1867) (original description)
Holothuria (Thyone) eaouari Lesson, 1830 accepted as Ochetostoma eaouari (Lesson, 1830) (original description)
Holothuria (Thyone) edulis Lesson, 1830 represented as Holothuria edulis Lesson, 1830 (original description)
Holothuria edulis Lesson, 1830 (original description)
Holothuria radiosa Lesson, 1830 accepted as Opheodesoma radiosa (Lesson, 1830) (original description)
Holozoa cylindrica Lesson, 1830 accepted as Distaplia cylindrica (Lesson, 1830) (original description)
Ochetostoma eaouari (Lesson, 1830) (original description)
Polyzoa opuntia Lesson, 1830 (original description)
Salpa forskalii Lesson, 1830 accepted as Salpa maxima Forskål, 1775 (original description)
Salpa garnotii Lesson, 1830 accepted as Iasis cylindrica (Cuvier, 1804) (original description)
Salpa nephodea Lesson, 1830 accepted as Pegea bicaudata (Quoy & Gaimard, 1826) (original description)
Salpa proboscidalis Lesson, 1830 accepted as Cyclosalpa pinnata (Forskål, 1775) (original description)
Spirorbis antarctica Lesson, 1830 (original description)
Sycozoa sigillinoides Lesson, 1830 (original description)

 Nomenclature

 for Ochetostoma eaouari (Lesson, 1830)

This species was originally described as an echinoderm, Holothuria (Thyone) eaouari Lesson, 1830 (BHL Link:  [details]

 Nomenclature

 for Ochetostomum lessoni Diesing, 1851

Although this name was published as a junior synonym of Holothuria (Thyone) eaouari Lesson, 1830, it being ... [details]