Borgert
Diagnosis: Shell with spindle- or cudgel-shaped central area, open at smaller end, with thickened rim, with 4 divergent primary branches, forming basket around tomato-shaped central capsule (not illustrated), each primary branch with two simple secondary branches, one medial and one distal, from opposite side of primary branch, about twice as long as central shell area.
Length of central area: 0.32-0.40 mm.