Ptychagnostidae Kobayashi, 1939
Ptychagnostus aculeatus Westergard, 1946
Ptychagnostus atavus Westergard, 1946
Ptychagnostus australiensis (Chapman, 1911)
Ptychagnostus elegans
Ptychagnostus (Ptychagnostus) fissus
Ptychagnostus gibbus
Ptychagnostus lundgreni Westergard, 1946
Ptychagnostus pichum
Ptychagnostus praecurrens
Ptychagnostus punctuosus (Angelin, 1851)
Ptychagnostus seminula
