Clisospiridae
Introduction '''Clisospiridae''' is an extinct taxonomic family of sea snails, marine gastropod molluscs.This family consists of three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005):* Cliospirinae S. A. Miller, 1889 - synonym: Progalerinae Knight, 1956* Atracurinae Horný, 1964* Trochoclisinae Horný, 1964
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