Procytherur a sp. 2 Franz et al., 2018

Fig. 6: 8

Material.

1 RV in sample He19-8, 1 C in the Geisingen clay pit.

Occurrence.

Lower Aalenian, Opalinum Zone; SW Germany.

Description.

Very small, subovoidal outline in lateral view. Lateral surface with five broadly rounded ribs, subhorizontal in the midventral to posteromedian area; in the anterior half of the valve bent anteroventrally. Roughly reticulated in the region of these ribs by subvertical transverse ribs.