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rear nostril before center large eyelarge D & A join Croof mouth: central row large teethlarge gill opening
large pectoralLL complete -
rear nostril at eye levelD, A & C continuouslip flanges both jawswith pectoralsLL all body
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rear nostril high, over/before eyenape elevatedD, A & C continuousgill opening small, at side
no pectoralsLL = 1-2 pores before pectoral -
elongate, tail slender, pointed
snout long, pointedD & A join Cjaws long, pointed, upper overhangs, teeth exposed when closedLL complete -
rear nostril at/below mid-eye levelD, A & C continuousteeth smallwith pectorals
gill openings low, close togetherLL complete