Triceratium westianum, WA Firth

Triceratium westianum
Triceratium westianum, inverted image
Triceratium westianum, 10x Nikon Plan Apo NA 0.45 objective

Triceratium westianum from Springfield, Barbados. Single example on the slide, in between two other diatoms to aid with finding it. I think this is now called Trilamina westiana. Prepared by WA Firth. Olympus BHB microscope using 450nm LED light. 100x Leitz Pl Apo NA 0.60-1.32 objective, oil immersion, iris wide open. Olympus Aplanat Achromat condenser, oil immersion, bright field lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 12 images stacked in Zerene (Pmax).