A strew slide of mainly Cocconeis hustedtii from a fish tank at 74-78 degrees F. Identified by John Carter. Mounted in Naphrax and dated January 1972. Prepared by ECP Bone. Olympus BHB microscope using 450nm LED light. As well as the strew, I imaged one using 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. 12 images Pmax. 2µm scale bar.
Cocconeis hustedtii Krasske 1923. Published in: Krasske, G. (1923). Die Diatomeen des Casseler Beckens und seiner Randgebirge nebst einigen wichtigen Funden aus Niederhessen. Botanisches Archiv 3(4): 185-209, 14 figures. Page 193, Figures 10a-b. This name is currently regarded as a synonym of Psammothidium hustedtii (Krasske) S.Mayama 2002. Published in: Mayama, S., Idei, M., Osada, K. & Nagumo, T. (2002). Nomenclatural changes for 20 diatom taxa occurring in Japan. Diatom. The Japanese Journal of Diatomology 18: 89-91.