Pentapycnon bouvieri Child, 1995 accepted as Pentapycnon bouvieri Pushkin, 1993
Pentapycnon bouvieri Pushkin, 1993
Pentapycnon charcoti Bouvier, 1910
Pentapycnon magnum Stiboy-Risch, 1994 accepted as Pentapycnon bouvieri Pushkin, 1993
Pycnogonum calculum Bamber, 1995
Pycnogonum diceros Marcus, 1940
Pycnogonum eltanin Fry & Hedgpeth, 1969
Pycnogonum gaini Bouvier, 1910
Pycnogonum gordonae Pushkin, 1984
Pycnogonum magellanicum Hoek, 1898
Pycnogonum magnirostrum Möbius, 1902
Pycnogonum paragaini Munilla, 1990
Pycnogonum platylophum Loman, 1923
Pycnogonum rhinoceros Loman, 1923 accepted as Pycnogonum diceros Marcus, 1940
Pycnogonum sivertseni Stock, 1955