†subfamily Catazyginae Copper 1977 (lamp shell)
Rhynchonellata - Atrypida - Anazygidae
Parent taxon: Anazygidae according to A. Williams et al. 2002
Sister taxa: Anazyginae, Tuvaellinae
Subtaxa: Catazyga Pentlandella
Type: Catazyga
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Canada (2: New Brunswick collections), Estonia (4), Lithuania (5), the Russian Federation (1), the United Kingdom (3), United States (5: Nevada, Utah)
• Ordovician to Silurian of Canada (2: Québec)
• Ordovician of Australia (7), Belgium (2), Canada (45: Ontario, Quebec), China (6), Norway (1), the Russian Federation (4), the United Kingdom (18), United States (15: Alaska, Indiana, New York, Ohio)
Total: 120 collections including 121 occurrences