-
snout, short, soft, flexible
pectorals fused to headtail slenderpelvics usually = 2 separate lobes -
disk diamond shaped
snout flexible, medium, no filamenttail thick, 2 Dspelvics: front lobe = leg -
rhomboidal disc2 small Ds, near end narrow tailC = small skin fold after D2pelvic 2 lobes