SEM Photograph: (Bold, 1988, pl. 8, fig. 1) Scale is 0.05 mm. Specimen HVH 10609 (NMB Locality 17011) Right valve.
Morphologic Description: An alate species with relatively coarse reticulation and a double dorsal ridge extending backwards from the eye tubercle.
Holotype: HVH 8326 (Locality: H 15212, Río Mao, Dominican Republic, Gurabo Formation. Pliocene).
Distribution: