Family Fiscullidae Dumack, Mausbach et Bonkowski, 2016

Diagnosis: Limnic or terrestrial filose testate amoebae. Test: flexible, organic, round, pyriform or spherical, with one basal aperture of which filopodia arise. No cilia. Surface grazer. Trophic stage: incessant creeping with branched and anastomosed, tapering filopodia. Preying on eukaryotes with filopodia. Food ingested through aperture, digested in the test. Nucleus round or ellipsoid. Granules and vacuoles occur (contractile vacuoles hard to detect). May form cysts or floating stages. No sexual reproduction observed. In contrast to Lecythium: no granules in filopodia, cells form aggregates by fusion, often between the apical end and the nucleus an additional layer of granules which could not be observed in L. hyalinum.

Type genus: Fisculla 

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