Speocirolana xilitla

Speocirolana xilitla is a species of crustacean in the family Cirolanidae. It is known from a cave near Xilitla, San Luis Potosi. The specific name refers to this town. It is the southernmost species in the genus Speocirolana.

Habitat
The type series was collected from a clear-water pond in Cueva de las Catarinas, in complete darkness some 120 meters from its entrance. The altitude is 645 m above sea level.

Description
Speocirolana xilitla is among the largest members of its genus: the largest female (the holotype) measures 32.5 mm in total length. The body is 2.5 times as long as wide. The pleotelson is rounded. No males are known.