"19. Pupa infanda Shuttl.
Haec species differt P. mumia Brug. magnitudine majori, coatis minua validis et minus remotis in ultimo et penultimo anfractu, testa in reliquis laevigata; colore alba. Coatis 22 in ultimo anfr. integro. Long. 43, diam. 14 mill.
P. infanda Sh. mss.
P. decumana Fér. Poey, Mem. 1; p. 396.
P. Mumia Br. var. Pfeiffer." (Poey, 1858:29-30)