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cirri: nape - 1 pair bunches, eye - 1 simpleD: no notchLL: 2 overlapping sectionslarge canine at rear bottom jawgill opening wide, not restricted to side
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simple cirri: 1-10 over eye, 1 on napeD: deep notch after spinessnout rounded, overhanging
side top lip wrinkled -
eye: 1 branched cirrusD: notch behind spines1 large canine: rear of both jawsgill opening restricted to sidepelvic I, 3
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eye: 1 branched cirrusD: XI-XIII, small notch after spinesrear of jaws - no caninesgill opening restricted to side
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eye: 1 unbranched cirrusD: no notch after spines1 canine rear of both jawsgill opening wide, not restricted to side
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eye: 1 branched cirrus; groove on side headD: VIII-IX no notchno canine teethgill opening restricted to side
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cirri: eye - 1 branched, nape - 1 pair clustersD shallow notchLL: complete, bentno caninesgill opening not restricted to side