Trilobita - Redlichiida - Ellipsocephalidae
Parent taxon: Ellipsocephalidae according to E. Landing et al. 2008
See also Ahlberg 1980
Sister taxa: Acadolenus, Alueva, Antatlasia, Argunaspis, Asiatella, Bergeroniaspis, Bergeroniellus, Bhargavia, Blayacina, Brevitermierella, Cambrunicornia, Catadoxides, Comluella, Culmenaspis, Ellipsostrenua, Geyerorodes, Glabrella, Hamatolenus, Hupeolenus, Issafeniella, Kadyella, Kameschkoviella, Kijanella, Kingaspidoides, Kingaspis, Krolina, Kymataspis, Latikingaspis, Latoucheia, Latuzella, Lermontovia, Limataceps, Lusatiops, Myopsolenus, Nelegeria, Olekmaspis, Ourikaia, Paramicmacca, Paraprotolenella, Planolimbus, Protagraulos, Protolenella, Protolenidae, Protolenus, Pruvostinoides, Pseudokadyella, Pseudolenus, Pseudoprotolenella, Ptychoparopsis, Rinconia, Sailycaspis, Sectigena, Strenuella, Tadakoustia, Termieraspis, Termierella, Triangulaspis, Yeshanaspis
Subtaxa: Ellipsocephalus Ornamentaspis Strenuaeva
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Solvan of the Czech Republic (7 collections), Sweden (1)
• Amgan of the Czech Republic (3), Germany (1), Poland (1), Sweden (2)
• Delamaran of Morocco (3)
• Cambrian of the Czech Republic (5), Germany (7), Norway (5), Poland (5), the Russian Federation (2), Spain (2), Sweden (5), United States (1: Wisconsin)
• Caerfai of Canada (3: New Brunswick)
Total: 53 collections including 71 occurrences