123456789101112131415Angeline MyraKeen:Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru.Stanford University Press,1971,s.42–50. ISBN978-0-8047-0736-7.
Bibliografia
Angeline MyraKeen:Sea Shells of Tropical West America: Marine Mollusks from Baja California to Peru.Stanford University Press,1971,s.1064. ISBN978-0-8047-0736-7.