Paragastropoda - Mimospirida - Clisospiridae
Synonym: Progalerinae Knight 1956
Full reference: S. A. Miller. 1889. North American geology and palaeontology for the use of amateurs, students and scientists 1-664
Parent taxon: Clisospiridae according to P. Bouchet et al. 2005
See also Heidelberger and Bandel 1999, Knight et al. 1960 and Linsley and Kier 1984
Sister taxa: Antigyra, Atracurinae, Trochoclisinae
Subtaxa: Clisospira Ferrogyra Paragalerus Procrucibulum Progalerus
Type: Clisospira
Distribution:
• Devonian of Canada (1: Ontario collection), the Czech Republic (1), Germany (1)
• Silurian of United States (1: Tennessee)
• Ordovician of the Czech Republic (3), Norway (1), the Russian Federation (1), South Korea (1), Sweden (6), the United Kingdom (1), United States (1: Nevada)
• Chazy of United States (1: Vermont)
• Llandeilo of Sweden (2)
• Whiterockian of United States (1: Nevada)
• Cassinian of Canada (1: Quebec)
Total: 23 collections each including a single occurrence