†order Loganelliformes (jawless fish)
Parent taxon: Agnatha according to T. Märss and C. G. Miller 2004
See also Long 2011
Sister taxa: Haikouichthys, Hyperoartia, Loganiida, Muzaffarabadmachli, Myllokunmingia, Myllokunmingiida, Pircanchaspis, Saarolepis
Subtaxa: Loganelliidae
Ecology:
Distribution:
• Devonian of the United Kingdom (1 collection)
• Silurian of Canada (2: Northwest Territories), Estonia (5), Ireland (1), Norway (1), the Russian Federation (9), Sweden (5), the United Kingdom (33)
• Ordovician of the Russian Federation (5)
Total: 62 collections including 91 occurrences