Planhoogenraadia asturica Bonnet et Gomez-Sanchez 1984
Diagnosis: Test large, colorless, yellow or ochre, with simple cryptostome. In dorsal view, the test has a navicular shape, a rounded apertural end and a tapered but not acute fundus. The dorsal side has a slight hull-form. In lateral view, the test is very wide, about 1/3 of the length. The invagination between visor and belly is of variable depth, 1/5 to 1.3 of the width. Ventral lip of the pseudostome very little folded inwards. In ventral view, the aperture is elliptical or semi-elliptical, depending on the angle of observation, but always visible. The wall is covered with normal siliceous elements being larger on the ventral side.
Dimensions: Length 95-110 µm; width 49-59 µm; aperture 18-34 µm.
Ecology: Forest soils with little acid humus. Spain, Asturias.
Reference: Bonnet, L. et Gomez-Sanchez, M. (1984) Note préliminaire sur le peuplement thécamoebien des sols des Asturies (Espagne). Bull. Soc. Nat., 120: 111-116.