SEM Photograph: (Borne and Cronin, ms, pl. 3, fig. 1) Scale is 0.09 mm. (Locality CJ89-18-11: Cangrejos Subdivision, Limón Province, Costa Rica; Moin Formation). Left valve, female.
Morphologic Description: Prominent bridge structure, orthogonal posterior reticulation composed of elevated vertical and weak horizontal muri.
Holotype: MMCM-H41-OS (La Habana, Cuba).
Distribution: