Bicoeca (Clark) Stein, 1878 (ref. ID; 4656)
See Bicosoeca
Synonym; Bicosoeca James-Clark (ref. ID; 4656)

• Bicoeca lacustris Clark, 1868 (ref. ID; 4656)
• Bicoeca petiolata (Stein) Pringsheim, 1947 (ref. ID; 4656)
  Syn; Poteriodendron petiolatum Stein (ref. ID; 4656)
• Bicoeca pontica Valkanov, 1970 (ref. ID; 3175 original paper)
• Bicoeca socialis Lauterborn, 1894 (ref. ID; 4656)