Fig. 4

Hanshessia trochitophila gen. et sp. nov., M9765 (holotype) from the Upper Hauptrogenstein Formation, Parkinsoni Zone, upper Bajocian of Quarry Egg near Auenstein, Switzerland. a Disc fragment in ventral view; b drawing of a; c disc fragment in dorsal view; d proximal arm segments in ventral view; e median arm fragments in ventral view; f proximal arm segments in dorso-lateral view; g proximal arm segments in dorsal view. AOS adoral shield; AS arm spine; DAP dorsal arm plate; DS disc spine; LAP lateral arm plate; OPa oral papilla; OP oral plate; OS oral shield; RS radial shield; T tooth; TS tentacle scale; VAP ventral arm plate; VAP1 first ventral arm plate