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Abstract
Two new species of Nitocrella Chappuis, 1923, N. pescei sp. n. and N. kunzi sp. n., from the Presciano spring system (Tirino River, Abruzzo, central Italy) are described. Both species fit into the hirta‐group of Nitocrella, as defined by Petkovski (1976). From an ecological point of view, they are true stygobiont species, linked to different biotopes of the crenal habitat.
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