Sphaerolana

Sphaerolana is a genus of isopod crustaceans in the family Cirolanidae, all of which are endemic to Mexico.

The genus Sphaerolana contains the following species:
 * Sphaerolana affinis Cole & W. L. Minckley, 1970 – Status iucn EN icon.svg
 * Sphaerolana interstitialis Cole & W. L. Minckley, 1970 – Status iucn EN icon.svg
 * Sphaerolana karenae Rodriguez-Almaraz & Bowman, 1995 – Status iucn VU icon.svg

All three species are on the IUCN Red List as either vulnerable species (VU) or endangered species (EN).