†family Loganellidae Rasetti 1959 (trilobite)
Trilobita - Olenida - Loganellidae
Parent taxon: Olenida according to J. M. Adrain 2011
Sister taxa: Andrarinidae, Aphelaspidae, Asaphiscidae, Cedariidae, Dokimokephalidae, Eulomidae, Idahoiidae, Olenidae, Parabolinoididae, Pterocephaliidae
Subtaxa: Brabbia Levisella Loganellus Noelaspis
Type: Loganellus
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Argentina (1 collection), Canada (15: Newfoundland and Labrador, Quebec, Yukon), United States (2: California)
Total: 18 collections including 22 occurrences