The next drawings come from Penard (Faune Rhizopodique du Bassin de Léman,1902)
Pontigulasia bigibbosa = Pontigulasia compressa
Pontigulasia bryophila
Pontigulasia compressa
Pontigulasia incisa
Pontigulasia spectabilis
Pontigulasia spiralis
Ferry Siemensma, created February 28, 2019; last modified February 15, 2021