An arrangement of Terpsinoë intermedia from Mobile, Alabama, USA. Prepared by JA Long. 20x Nikon Plan Apo 0.65 objective. Olympus Aplanat Achromat condenser, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 25 images stacked in Zerene (Pmax).
Terpsinoë intermedia Grunow 1884. Published in: Grunow, A. (1884). Die Diatomeen von Franz Josefs-Land. Denkschriften der Kaiserlichen Akademie der Wissenschaften. Mathematisch-Naturwissenschaftliche Classe, Wien 48(Abt. 2): 53-112, 5 pls. This name is currently regarded as a synonym of Terpsinoë musica var. intermedia (Grunow) Hustedt.