Fig. 2
From: A new species of Stegophiura (Ophiuroidea, Ophiopyrgidae) from the mid-Cretaceous of southern Japan
Synthetic resin casts of Stegophiura miyazakii sp. nov. from the “Lower formation” of the Mifune Group (middle-to-late Cenomanian; Upper Cretaceous). a Two partly overlapping individuals showing dorsal (holotype; MDM 15017) and ventral (paratype: MDM 15018) sides of the disc. b Holotype, dorsal view of disc and basal arm portions. c Paratype, ventral view of disc and basal arm portions. d Holotype, dorsal view of basal arm segments. e Holotype, dorso-lateral view of basal arm segments. Acpa, arm comb papilla; Agpl, abradial genital plate (arm comb plate); Aos, adoral shield; Apa, apical papilla; Asa, arm spine articulation; Asp1, primary arm spine; Asp2, secondary arm spine; Dap, dorsal arm plate; Dsc, disc scale; Dsp, disc spine; Gsc, genital scale; Lap, lateral arm plate; Opa, Oral papilla, Opl, oral plate; Osh, oral shield; Rsh, radial shield; Otp2, second oral tentacle pore; Spu, Spur; Tpo, tentacle pore; Tsc, tentacle scale; Vap, ventral arm plate. All scale bars equal 1 mm