Ulyanovsk arrangement, 10 forms. Ulyanovsk (apparently the new name for Simbirsk). Marine, fossil. Mounted in Darax and dated 17/11/2024. Prepared by Michel Haak. Olympus BHB microscope using 450nm LED light. 40x Leitz Pl Apo 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. 11mm of the spacer to the camera removed to increase field of view (this is uncropped). Monochrome converted Nikon d850 camera.54 images stacked in Zerene (Pmax).
I’ve made a start on naming them (below). Please let me know if you know what these are and I can update the page.
Top row
1. Sheshukovia archangelskiana
2. Actinoptychus sp.? Actinoptychus heterostrophus?
3. Sheshukovia dublicata
4. Trinacria pileous? Trinacria excavata?
5. Sheshukovia weissi
Bottom row
6. Hyalodiscus sp.? Hyalodiscus radiatus?
7. Actinoptychus seductilis?
8. Hyalodiscus sp.?
9. Melosira patera?? Really not sure with this one.
10. Trinacria sp.?