Ordo Chaunacanthida

Schewiakoff, 1926

Family Stauraconidae Schewiakoff, 1926
Genus Amphiacon
Genus Heteracon
Genus Stauracon

Family Conaconidae Schewiakoff, 1926
Genus Conacon

Family Gigartaconidae Schewiakoff, 1926
Genus Gigartacon