Fig 3 in New species of Kuqaia from the Lower Jurassic of Sweden indicates a possible water flea (Crustacea: Branchiopoda) affinity

Fig 3. Enlargement of the holotype (NRM X12700) of Kuqaia scanicus sp. nov. Kävlinge BH-928 core depth 40.40– 39.60 m. Scale bars = 100 μm, unless otherwise stated. (a) Well-developed radial ridges at the anterior (SEM image). (b) Weakly defined ridges at the posterior (SEM image). (c) Weak, parallel and transverse ridges on peduncles (SEM image). (d) Complex surface ornament revealed in UV-fluorescence microscopy. (e) Weakly defined ridges on peduncles evident in fluorescence microscopy. https://doi.org/10.1371/journal.pone.0282247.g003