An arrangement of three Triceratium brachiatum, from Barbados (fossil). Prepared by Arthur Charles Cole. Olympus BHB microscope using 450nm LED light. 63x Leitz Pl Apo 1.4 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 28 images stacked in Zerene (Pmax). All underside views, with the rim facing upwards towards the coverslip.
This name is currently regarded as a synonym of Fenneria brachiata (Brightwell) J.Witkowski. Reference: Witkowski, J. (2018). From museum drawers to ocean drilling: Fenneria gen. nov. (Bacillariophyta) offers new insights into Eocene marine diatom biostratigraphy and palaeobiogeography. Acta Geologica Polonica 68(1): 53-88, 10 text-fig., 4 pl. 5 tables [2 additional in appendix].