Full reference: J. H. Collette and J. W. Hagadorn. 2010. Early evolution of phyllocarid arthropods: phylogeny and systematics of Cambrian-Devonian archaeostracans. Journal of Paleontology 84(5):795-820
Parent taxon: Archaeostraca according to Y. Liu et al. 2024
See also Collette and Hagadorn 2010
Sister taxa: Arenosicaris, Baituganocaris, Ceratiocaridina, Dictyocaris, Dilophaspis, Echinocaridina, Emmelezoe, Guerichicaris, Kerfornecaris, Lebesconteia, Palaeopemphida, Pephricaridina, Rhinocaridina, Rhinocarina, Schugurocaris, Trigonocarys
Subtaxa: Caryocarididae Gonatocarididae
Ecology: nektobenthic carnivore
Distribution:
• Silurian of United States (3: Alaska, New York, Oklahoma collections)
• Dobrotivian of Czechia (1)
• Klabava of Czechia (1)
• Arenig of Bolivia (1), China (3), Norway (1)
• Arenigian of United States (1: Alaska)
• Ningkuo of China (1)
• Canadian of United States (1: Nevada)
• Ordovician of Argentina (1), Australia (2), Canada (1: Northwest Terrorities), China (3), Czechia (1), New Zealand (1), South Africa (1), United States (11: Alaska, Nevada, New York)
Total: 34 collections including 36 occurrences