Astrodendrum cf. sagaminum (Döderlein, 1902) (IDSSE-EEB-SW0104) A dorsal view B ventral view C dorsal disc (center) D dorsal disc (distal edge) E radial shield F, G ventral disc H oral frame I, J ventral view of arm base K ventral view of after second arm branch L, M dorsal view of second arm branch N lateral view of arm (middle) O lateral view of arm (pedicellariae with baseplate) P, Q variations of arm spine on distal end of the arm. Abbreviations: ars arm spine, co conical ossicles gs genital slit, os oral shield, peb = pedicellarial band, rs radial shield, t teeth, tp tentacle pore. Scale bars: 16 mm (A, B); 2 mm (C, D, F, L); 1 mm (E, H–K, M, N); 500 µm (G, O); 200 µm (P, Q).