A new troglobiotic species of Hyalella (Crustacea, Amphipoda, Dogielinotidae) from Southeastern Brazil

Abstract

The genus Hyalella Smith, 1874 is typical from the continental American waters and show high levels of endemicity. In Brazil, the occurrence of 12 species was reported, of which only Hyalella caeca Pereira 1989 is troglobiotic. A new species was found in a cave, Gruta da Toca, located near Itirapina city, state of São Paulo, Brazil. This species represents the second troglobiotic for the genus in Brazil.

Keywords

• diversity
• subterranean
• groundwater