v. 1884 Polystomella subnodosa Brady, (not von Munster), 1884, p. 743, pl. 110, , fig. 1.
Genus ELPHIDIUM de Montfort, 1808
Elphidium advenum (Cushman), 1922
Figure 2.18 and 2.19
v. 1884 Polystomella subnodosa Brady, (not von Munster), 1884, p. 743, pl. 110, , fig. 1.
v. 1922 Polystomella advena Cushman, 1922 p. 56, pl. 9, figs. 11, 12.
v. 1930 Elphidium advenum Cushman. Cushman, 1930, p. 25, pl. 10, figs. 1, 2. Bock, 1971, p. 56, pl. 20. Elphidium sagrum (d'Orbigny), 1839a. This species occurs in Bermuda lagoons. It is also reported in nearshore-lagoons of Florida-Bahamas, Belize Shelf, and probably in other areas under Elphidium spp.
v. 1839 Polystomella sagra (d'Orbigny),
1839a, p. 55, pl. 6, figs. 19, 20.
v. 1920 Polystomella lanieri Cushman, 1920a, p. 72, pl. 11, fig. 22.
v. 1930 Elphidium sagrum (d'Orbigny). Cushman, 1930, p. 24, pl. 9, figs. 5, 6. Bock, 1971, p. 56-57, pl. 20, figs 11, 12. Steinker, 1980, p. 136, pl. 3, fig. 2.
This species occurs in Bermuda lagoons, and in nearshore-lagoons and backreefs-reefs of Florida-Bahamas. It might also occur in other areas under Elphidium spp.
