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Lieberkuehniidae  Siemensma et al., 2020

Diagnosis: Multinucleate organic-walled monothalamous foraminifera. Test very flexible, elongated to broadly pyriform, lens- or spindle-shaped. Aperture terminal, straight or oblique. Cell with internal peduncle, surrounded by a hyaline peduncular sheath. Nuclei spherical, ovular.

Molecular features: The partial SSU rDNA sequences included in this family contain between 1017 and 1113 nucleotides, the GC content ranges from 46.4%–49.3%.Pairwise distances within Lieberkuehniidae range from0.104−0.209, the overall average is 0.072.

Type genus: Lieberkuehnia Claparède and Lachmann, 1859.
Genera assigned: Claparedellus; Lieberkuehnia.

Lieberkuehnia wageneri
Lieberkuehnia wageneri? – Original drawing Hoogenraad & De Groot, 1940, collection Ferry Siemensma.
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