Echinothuriidae Thomson, 1872
Tromikosoma australe (Koehler, 1922)
Tromikosoma hispidum (A. Agassiz, 1898)
Tromikosoma koehleri Mortensen, 1903
Tromikosoma panamense (A. Agassiz, 1898)
Tromikosoma tenue (A. Agassiz, 1879)
Tromikosoma uranus (Thomson, 1877)
