Two new genera and species of the valvatiform hydrobiid snails (Caenogastropoda: Truncatelloidea: Hydrobiidae) from Morocco

M GHAMIZI, A FALNIOWSKI, A BOUDELLAH… - Zootaxa, 2024 - mapress.com
Stygobiont and crenobiont minute gastropods representing the family Hydrobiidae
(Caenogastropoda: Truncatelloidea), characterized by the valvatoid low-spired shell, were …