Class Cephalocarida Sanders 1955 (arthropod)
Parent taxon: Allotriocarida according to J. Lozano-Fernandez et al. 2019
See also Martin and Davis 2001 and Oakley et al. 2013
Sister taxa: Athalassocarida, Rehbachiella
Subtaxa: Brachypoda
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Ordovician of the United Kingdom (1 collection)
• Cambrian of Sweden (1)
Total: 2 collections each including a single occurrence