Lithomelissa spongiosa Bütschli, 1882b: 517, taf. 33, fig. 25.
Lithomelissa mitra Chen, 1975: 458, pl. 8, figs 4, 5.
GEOGRAPHIC DISTRIBUTION. — Barbados, Antarctic, Voronesh Anticline.
STRATIGRAPHIC RANGE. — Eocene, Barbados (Bütschli 1882a, b); Oligocene, Antarctic (Chen 1975); middle to latest Eocene (this study).