Eupera troglobia is a species of mollusc that lives in caves.

All were discovered in eastern subterranean Brazil at Casa Pedra cave 10°49'28.4''S, 49°37'16.5''W.

[1] Records of the species date back to 2006 in the technical report of Brazil's National Center of Cave Exploration and Conservation.

[1] Eupera trolobia adults are ~4.5 millimetres (0.18 in) in length and lack pigmentation in the soft parts and shell.

The growth lines are usually continuous from the anterior up to the posterior hinge region.