†order Pseudoconodontida Landing 1995
Sister taxa: none
Subtaxa: Mongolitubulus Strictocorniculacea Strictocorniculidae
Distribution:
• Solvan of the Russian Federation (3 collections)
• Amgan of the Russian Federation (3)
• Cambrian of Antarctica (1), Australia (12), Canada (4: New Brunswick, Nova Scotia, Quebec), Greenland (6), Kazakhstan (4), the Russian Federation (1)
Total: 34 collections including 38 occurrences