Varunidae Milne Edwards, 1853
Ptychognathus affinis de Man, 1895
Ptychognathus altimanus (Rathbun, 1914)
Ptychognathus andamanensis Pretzmann, 1984
Ptychognathus barbatus (A. Milne-Edwards, 1873)
Ptychognathus capillidigitatus Takeda, 1984
Ptychognathus crassimanus Finnegan, 1931
Ptychognathus demani Roux, 1917
Ptychognathus dentatus de Man, 1892
Ptychognathus easteranus Rathbun, 1907
Ptychognathus glaber Stimpson, 1858
Ptychognathus guijulugani Rathbun, 1914
Ptychognathus hachijoensis Sakai, 1955
Ptychognathus hachijyoensis Sakai, 1955
Ptychognathus insolitus Osawa & N. K. Ng, 2006
Ptychognathus intermedius de Man, 1879
Ptychognathus ishii Sakai, 1939
Ptychognathus johannae Rathbun, 1914
Ptychognathus lipkei N. K. Ng, 2010
Ptychognathus onyx Alcock, 1900
Ptychognathus pilipes (A. Milne-Edwards, 1868)
Ptychognathus pilosus de Man, 1892
Ptychognathus polleni de Man, 1895
Ptychognathus pusillus Heller, 1865
Ptychognathus riedelii (A. Milne-Edwards, 1868)
Ptychognathus spinicarpus Ortmann, 1894
Ptychognathus takahashii Sakai, 1939
Ptychognathus takahasii Sakai, 1939