Taxonomy:

Gulaphallus bikolanus (Add)
Gulaphallus eximius (Add)
Gulaphallus falcifer (Add)
Gulaphallus mirabilis (Add)
Gulaphallus panayensis (Add)

Neostethus amaricola (Add)
Neostethus bicornis (Add)
Neostethus borneensis (Add)
Neostethus ctenophorus (Add)
Neostethus djajaorum (Add)
Neostethus lankesteri (Add)
Neostethus palawanensis (Add)
Neostethus robertsi (Add)
Neostethus thessa (Add)
Neostethus villadolidi (Add)
Neostethus zamboangae (Add)

Phallostethus dunckeri (Add)
Phallostethus lehi (Add)

Phenacostethus posthon (Add)
Phenacostethus smithi (Add)
Phenacostethus trewavasae (Add)