Figure 7 from: Woo SP, Zulfigar Y, Tan SH, Kajihara H, Fujita T (2015) Sea cucumbers of the genus Stichopus Brandt, 1835 (Holothuroidea, Stichopodidae) in Straits of Malacca with description of a new species. ZooKeys 545: 1-26. https://doi.org/10.3897/zookeys.545.6415

Figure 7 - Spicules of Stichopus horrens Selenka, 1867 (USM/MSL/PP001). A tables from the dorsal body wall B C-shaped rods from the dorsal body wall C tack-liked tables from the dorsal papillae D perforated plates from the dorsal papillae E dorsal papillae rods from the dorsal papillae F C-shaped rods from the dorsal papillae G large rods from the tube feet H multiperforated plates from the tube feet I tables from the tube feet J Rods of different sizes from the tentacles.