†family Bulbocanthidae Young and Goujet 2003 (armour-plated fish)
Placodermi - Phlyctaeniiformes - Bulbocanthidae
Parent taxon: Aspinothoracidi according to R. van der Laan 2019
Sister taxa: Brachydeiridae, Braunosteidae, Dinichthyidae, Gorgonichthys, Hadrosteidae, Heintzichthys, Leiosteidae, Leptosteidae, Titanichthyidae
Subtaxa: Bulbocanthus
Type: Bulbocanthus
Ecology: nektonic carnivore
Distribution: found only at Beartooth Butte 2 (Devonian of Wyoming)