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hammer = wide blade, front convex + central notchD1 moderately large, erectteeth smoothpelvics: rear edge straightexternally = S. lewini
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hammer = wide blade, front convex + central notchD1 moderately large, erectteeth smoothpelvics: rear edge straight
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hammer = angular mallet, + center notch
snout length ~ 1/3 hammer widthteeth smooth, top = oblique blades, bottom straightA: rear edge concave -
hammer = wide blade, front straight + slight center notchD1 very tall, pointed, curvedteeth serratedpelvics - rear edge v concave
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hammer narrow, front semicircular, no indentationsfront teeth sharp, rear teeth molars
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hammer = broad mallet, deep notch at center front
small eyesD1 high, erect, free rear tip to over/behind pelvic originyellow to orangeteeth smooth, top oblique, bottom straight -
hammer: wide, center convex (no notch)D1 moderately large, erectteeth oblique, weakly serrated, similar both jawsD2 & pelvics small
pelvics not notched