†order Furcacaudiformes
Alternative spelling: Furcacudiformes
Parent taxon: Thelodonti according to J. S. Nelson et al. 2016
See also Long 2011, Sepkoski 2002 and Wilson and Caldwell 1998
Sister taxa: Apalolepis, Archipelepidiformes, Boreania, Canonia, Loganelliformes, Longodidae, Phlebolepidiformes, Thelodontiformes, Valiukia
Subtaxa: Barlowodidae Lanarkia Nikolivia Pezopallichthys
Distribution:
• Devonian of Canada (3: Nunavut collections), Norway (5), the Russian Federation (2), Ukraine (7), the United Kingdom (2), United States (3: Nevada)
• Silurian of Canada (3: Northwest Territories), Greenland (1), the United Kingdom (5)
Total: 31 collections including 58 occurrences