†order Isoxyida Simonetta and Delle Cave 1974 (arthropod)
Alternative spelling: Isoxyda
Parent taxon: Deuteropoda according to H. Zeng et al. 2020
See also Lerosey-Aubril et al. 2020
Sister taxa: Chelicerata, Fuxianhuiida, Mandibulata, Megacheira
Subtaxa: Isoxyidae
Ecology:
Distribution:
• Cambrian of Australia (4 collections), Canada (2: British Columbia), China (48), Greenland (2), the Russian Federation (1), Turkey (1), United States (1: Utah)
• Solvan of Canada (2: British Columbia)
• Delamaran of Canada (8: British Columbia)
• Caerfai of Canada (1: Northwest Territories)
Total: 70 collections including 108 occurrences