Fig. 12
Mesobiotus zelmae sp. nov. (a) photo of live holotype specimen 22–215h in water; (b) specimen 22–250-15a fixed in Hoyer’s medium; (c,e) holotype specimen 22–215h in Hoyer’s medium; (d) specimen 22–239 in water. (a) whole body; (b) dorsal oral cavity armature; (c) ventral oral cavity armature; (d) placoid morphology, lateral view; (e) placoid morphology, dorsal view; (f) SEM image of the cuticle showing very fine granulation that is present over the entire body. Black full arrows indicate first band of teeth; black flat arrowheads indicate the location of the constriction of the third macroplacoid.
