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disc heart-shaped, front edges undulating
snout short, round, tip flexible, pectorals almost to tiptop disc & tail: dense fine denticlesnasal curtain with pits in cornersfront pelvic lobe > 80% rear lobe -
disc heart-shaped, front edge undulating
snout flexible, short, bluntthorns: 3 rows nape to Dtop disc: 4-8 symmetric white spotspelvic: front lobe 67-76% rear lobe -
disc heart-shaped, front edge undulating
snout flexible, short, blunt, pale underneath1 central interrupted row thorns: nape to Dtop disc mottled + ocellipelvic: front lobe 65-80% rear lobe -
disc heart-shaped, front edge undulating
snout flexible, short, blunt, dark underneath3 central rows thorns: nape to Dtop disc: uniform to mottledpelvic: front lobe 66-85% rear lobe -
disc heart-shaped, front edge undulating
snout flexible, short, blunt3 central rows thorns: nape to DC: with lower lobeunder disc dark
lower jaws with central spatulapelvic: front lobe 65-80% rear lobe -
disc heart-shaped, front edge undulating
snout flexible, short, blunt3 central rows thorns, nape to DC without lower lobeunder disc dark
lower jaws: no central spatulapelvic: front lobe 66-77% rear lobe -
disc wider than long, angular side tips
snout short, blunt, tip firm
under disc with denticlestop brown, +/- blotches; C blacktail slender, long, usually no Dpelvics = 1 triangular lobe -
disc heart shaped
snout short, flexible, round + conical tipno Dspelvics = 1 wing-like, rounded lobe