Foraminifera taxon details
From editor or global species database
Diagnosis Test ovate to pyriform, 0.2 mm to 0.6 mm in length; wall thick, white, double layered, inner hyaline homogeneous layer thickens toward the aperture, outer layer with cemented granular siliceous inclusions; aperture rounded, terminal, asymmetrical, with entosolenian tube; cytoplasm yellowish, becoming clear and colorless toward the aperture, pseudopodial trunk giving rise to numerous long and anastomosing pseudopodia; single large spherical nucleus, up to 50 µmin diameter, more rarely multinucleate. Fresh water. Holocene; Switzerland. (Loeblich & Tappan, 1987, Foraminiferal Genera and Their Classification) [details]
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