Thamnostoma tetrellum (Haeckel, 1879)

Distribution in South America: medusa—Atlantic Ocean, Brazil, at 16.76°S 38.88°W, at 29.25°S 49°W (Goy 1979; Correia 1983; Migotto et al. 2002; Nogueira Jr. et al. 2014).

Habitat: Medusa—epipelagic (Nogueira Jr. et al. 2014).