An example of Triceratium lineatum from Jackson’s Paddock, Oamaru, New Zealand. Single example on the slide. Very yellow mountant. Prepared by William Allott Firth. 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. 82 images stacked in Zerene (Pmax).
Triceratium lineatum Greville, 1863. Published in: Greville, R.K. (1863). Descriptions of new and rare Diatoms. Series IX. Transactions of the Microscopical Society, New Series, London 11: 63-76, pls IV, V. Page 75, Plate V [5], Figure 24. This name is currently regarded as a synonym of Trigonium lineatum (Greville) Desikachary & Sreelatha, 1989. Published in: Desikachary, T.V. & Sreelatha, P.M. (1989). Oamaru diatoms. Bibliotheca Diatomologica 19: [1]-330, including 145 plates. Page 278, Plate 124, Figure 2.