A strew containing Cerataulina bergonii from the Atlantic Ocean. Recent marine material. Prepared by Eduard Thum, and distributed by C Baker, London. Olympus BHB microscope using 450nm LED light. As well as the wider field of view I imaged part of the slide using the 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. Single, unstacked image (structures have flattened on the slide).
Cerataulina bergonii (H.Peragallo) F.Schütt 1896: 95. Published in: Schütt, F. (1896). Peridiniales (Peridineae, Dinoflagellata, Cilioflagellata, arthrodele Flagellaten). Bacillariales (Diatomeae). In: Die natürlichen Pflanzenfamilien…I. Teil. Abt. 1b. (Engler, A. & Prantl, K. Eds), pp. 1-153. Leipzig: Wilhelm Engelmann. This name is currently regarded as a synonym of Cerataulina pelagica (Cleve) Hendey 1937. Published in: Hendey, N.I. (1937). The plankton diatoms of the Southern Seas. Discovery Reports 16: 151–364, 8 plates [VI-XIII]. Page 279.