Two examples of Stenopterobia intermedia. No location or mountant details. Prepared by Flatters and Garnett Ltd. Olympus BHB microscope using 450nm LED light. 40x Leitz Pl Apo NA 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 15 images stacked in Zerene (Pmax).
Stenopterobia intermedia (F.W.Lewis) Van Heurck ex Hanna, 1933. Published in: Hanna, G.D. (1933). Diatoms of the Florida peat deposits. Annual Report Florida State Geological Survey 23/24: 68-199. Page 90. Homotypic synonyms: Surirella intermedia F.W.Lewis 1864, Stenopterobia anceps var. intermedia (F.W.Lewis) Playfair 1913. Heterotypic synonym: Stenopterobia intermedia var. genuina A.Cleve 1952.