" Eucytherura sp." Ayress, 1988*: 616; pI. 21, figs 22,23.

Dimensions. Adult right valve, MA/IP/421, length 0.36 mm, height 0.20 mm.

Diagnosis. Eucytherura with sub-rectangular lateral outline and strongly caudate. Reticulation of irregular polygonal fossae with thin delicate inwardly directed spines and lateral spines, both conjuctive and disjunctive, strongest on posteroventral swelling. Solum perforated by fine pores reflected internally by a regular pattern of 9-10 pore clusters. Narrow, straight accommodation groove above hinge.