v. 1816 Milipora rubra Lamarck, 1816, p. 202.

v. 1841 Polytrema rubra (Lamarck). Dujardin, 1841, p. 259.

v. 1991 Homotrema rubrum (Lamarck). Hickson, 1911, p. 445, 454, pl. 30, fig.2; pl. 31, fig. 9; pl. 32, figs. 19, 22, 28. Bock, 1971, p. 61, pl. 23, fig. 3.

This species is characteristic of Bermuda reef assemblages where it is attached to hard substrates. Fragments of this foraminiferid give the Bermuda southern beaches their pink color. It is also reported in reefs of Florida-Bahamas and forereefs of the Belize Shelf.