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Hoogenraadia cryptostoma
H. cryptostoma – from Gauthier-Lièvre & Thomas, 1958

Genus Hoogenraadia Gauthier-Lièvre & Thomas, 1958

Diagnosis: Test ovoid-globular, overhanging anterior visor often with 2 lateral grooves, incurved ventral lip. Ventral face rounded. Pseudostome more or less round, partly covered by the visor.

Type species: Hoogenraadia africana Gauthier-Lièvre & Thomas, 1958.

Six species, five known from the tropics and one from Europe.

Habitat and distribution: acid bogs and swamps or from soils, tropical Africa, South America. Also found in a wetland in the Netherlands (Siemensma, personal observation, 2019).

Hoogenraadia distribution
Distribution of Hoogenraadia (red), Planhoogenraadia (yellow) and Geoplagiopyxis (green) – modified after Smith et al. 2008.
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