Artiopoda - Redlichiida - Ellipsocephalidae
Full reference: P. Cederström, G. Geyer, P. Ahlberg, C. H. Nilsson, and J. Ahlgren. 2022. Ellipsocephalid trilobites from Cambrian Series 2 and Stage 4. Fossils and Strata 67:1-131
Parent taxon: Ellipsocephalidae according to P. Cederström et al. 2022
Sister taxa: Acadolenus, Alueva, Antatlasiinae, Argunaspis, Asiatella, Bergeroniaspis, Bergeroniellus, Bhargavia, Blayacina, Brevitermierella, Cambrunicornia, Catadoxides, Culmenaspis, Ellipsocephalinae, Geyerorodes, Glabrella, Hamatolenus, Issafeniella, Kadyella, Kameschkoviella, Kijanella, Kingaspis, Krolina, Kymataspis, Latikingaspis, Latoucheia, Latuzella, Lermontovia, Limataceps, Mohicana, Nelegeria, Olekmaspis, Ourikaia, Paramicmacca, Paraprotolenella, Planolimbus, Protagraulos, Protolenella, Protoleninae, Pruvostinoides, Pseudokadyella, Pseudolenus, Pseudoprotolenella, Ptychoparopsis, Rinconia, Sailycaspis, Sectigena, Strenuella, Tadakoustia, Termieraspis, Termierella, Thoralaspis, Triangulaspis, Yeshanaspis
Subtaxa: Epichalnipsus Strenuaeva
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Cambrian of Norway (4 collections), Poland (2), the Russian Federation (3), Spain (2), Sweden (8), the United Kingdom (1)
Total: 20 collections including 23 occurrences