Larsonia pterophylla (Haeckel, 1879)

Synonyms in the area: Stomotoca pterophylla —Kramp 1965; Alvariño 1976; Segura-Puertas 1984; Cely & Chiquillo 1993 [medusa].

Distribution in South America: medusa—Pacific Ocean, Colombia to Peru, from 6.38°N to 1.55°N, from 3.50°S to 18.30°S, including a non-specific record for Ecuador (Kramp 1965; Alvariño 1976; Segura-Puertas 1984, Cely & Chiquillo 1993; Chirichigno, pers. comm.).