Kutorginata - Kutorginida - Nisusiidae
Parent taxon: Nisusioidea according to A. Williams et al. 2000
Sister taxa: none
Subtaxa: Bellistrophia Eoconcha Khasagtina Narynella Nisusia Trematosia
Type: Nisusia
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cambrian of Argentina (1 collection), Australia (2), Canada (26: British Columbia), China (4), France (1), Israel (7), Kazakhstan (2), Kyrgyzstan (2), Mexico (2), Mongolia (2), the Russian Federation (6), United States (34: Arizona, California, Montana, Nevada, Pennsylvania, Utah, Vermont, Virginia)
• Solvan of Australia (1), Kazakhstan (2), United States (1: Alaska)
• Amgan of Iran (1), Kyrgyzstan (1), the Russian Federation (1)
• Caerfai of Jordan (5)
Total: 101 collections including 110 occurrences