Arthropoda
Bartonaspis Westrop & Adrain, 2007
Deadwoodia Resser, 1938
Deckera Frederickson, 1949
Dellea Wilson, 1949
Dokimocephalus Walcott, 1924
Heterocaryon Raymond, 1937
Iddingsia Walcott, 1924
Kyphocephalus Miller, 1936
Onchopeltis Rasetti, 1944
Pseudosaratogia Wilson, 1951
Sulcocephalus Wilson, 1948