†family Aysheaiidae Walcott 1911
Alternative spelling: Aysheaidae
Full reference: C. D. Walcott. 1911. Cambrian Geology and Paleontology II: No.5--Middle Cambrian Annelids. Smithsonian Miscellaneous Collections 57(5):109-144
Parent taxon: Panarthropoda according to R. J. Knecht et al. 2025
See also McCall 2023
Sister taxa: Arthropoda, Dinocaridida, Lobopodia, Luolishaniida, Onychodictyon, Opabiniidae, Tardigrada, Xenusia
Subtaxa: Aysheaia Palaeocampa
Distribution:
• Carboniferous of France (2 collections), United States (4: Illinois)
• Cambrian of Canada (5: British Columbia), United States (1: Utah)
Total: 12 collections each including a single occurrence