Arthropoda
Anechocephalus Palmer, 1960
Aphelaspis Resser, 1935
Berkeia Resser, 1937
Bromella Palmer, 1965
Camaraspis
Camaraspoides Frederickson, 1949
Dicanthopyge Palmer, 1965
Dytremacephalus Palmer, 1955
Housia Walcott, 1916
Kazelia Walcott & Resser, 1928
Labiostria Palmer, 1955
Morosa Palmer, 1960
Notoaphelaspis Powell, Neef, Crane, Jell & Percival, 1982
Olentella Ivshin, 1953
Parahousia Palmer, 1960
Prehousia Palmer, 1960
Protemnites Whitehouse, 1939
Pterocephalia Roemer, 1852
Pterocephalina Resser, 1938
Pterocephalus Raw, 1908
Sigmocheilus Palmer, 1960
Stenambon Palmer, 1965
Strigambitus Palmer, 1965
Tumicephalus Palmer, 1965
Zhenanianania Jell, 2003