Figure 3 from: Turanov SV, Smirnov AV, Kartavtsev YuPh (2024) Taxonomic position of holothurian Eupentacta fraudatrix (Echinodermata, Holothuroidea). ZooKeys 1197: 237-248. https://doi.org/10.3897/zookeys.1197.117752

Figure 3 SEM photomicrographs of the body wall ossicles of Eupentacta species A–DE. quinquesemita, Mendocino, California (holotype, Museum of Comparative Zoology at Harvard University) A basket B knobbed plate C fenestrated hollow ellipsoid D very large scale-like multilayer plate E, FE. pseudoquinquesemita, Kodiak Island, Shelikof Strait, Uyak Bay, Heard of Larson's Inlet, Alaska (paralectotype, United States National Museum E2288) E basket F irregular plate with tubercles rising above G, HE. fraudatrix, Peter the Great Bay, Vostok Bay, Russia G plate with oval disk with four holes and a handle-like arch between the two holes in the longitudinal axis (underdeveloped table with modified 2-pillared spire?) H plate with small elevation in the center. Scale bars: 10 µm (A, B, E, G); 30 µm (F, H); 100 µm (C, D).