SEM Photograph: (Bold, 1988, pl. 13, fig. 9) Scale is 0.1 mm. Specimen HVH 10720 (NMB Locality 16145: Río Gurabo, Gurabo Formation). Left valve, male. Height: 0.33 mm; width: 0.17 mm; length: 0.50 mm.
Morphologic Description: A species of ovate shape, with sexual dimorphism easily visible only in dorsal view.
Holotype: HVH 10720 (Locality: NMB 16145, Río Gurabo, Dominican Republic, Gurabo Formation).