Plancia ëd unclassified Bivalvia

Descrission:

Figure 1.A–H Waldo arthuri new species A–E paratypes, SBMNH 149934 A–C Exterior of left valve D Prodissoconch E Close up of hinge of both valves F Close up of hinge of right valve G Live animal with extended mantle and mantle tentacles; posterior mantle tentacle (pt); siphon (s), foot (f), lateral mantle tentacle (lt), anterior mantle tentacle (at) H Detail of mantle papillae. A–C, G scale bar = 1 mm; D–F, H scale bar = 100 µm.