Table 2. A in The last African metatherian
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Table 2. A comparison of dental features of the last lower molar in Morotodon aenigmaticus and in species of Peradectes, Peratherium and Amphiperatherium.
Features in m4MorotodonPeradectesPeratheriumAmphiperatherium1. Paracristid inclination45°45°, or less45° or less45°, less than 45°, more than 45°2. Metaconid position relative to the protoconidSlightly posteriorPosterior, or at the same levelSame level, or metaconid posteriorSame level, or metaconid posterior, or protoconid posterior3. Hypoconulid position on the rear of the entoconid / proximity with the entoconidCentralAlmost central, or far lingual, or almost twinned to entoconidAlmost central, or far lingual, or almost twinned to entoconidAlmost central, or far lingual, or almost twinned to entoconid4. Postcingulid (present /absent /variable)AbsentVariableVariableVariable5. Buccal cingulid (pres/abs/var)PresentVariableVariableVariable6. Relative heights, entoconid /hypoconulidHypoconulid higherHypoconulid higher, or equalHypoconulid higher, or equal, or entoconid higherHypoconulid higher, or equal, or entoconid higher7. Width of the talonid at its anterior edgeNarrowLess narrow, or wideNarrowNarrow, or less narrow8. Mesiodistal compression of paraconidNot compressedCompressed, or not compressedCompressed, or not compressedCompressed, or not compressed9. Entoconid position relative to hypoconidEntoconid slightly anteriorSame level, or ent. Slightly anterior, or ent. Slightly posteriorSame level, or ent. slightly anteriorSame level, or ent. slightly anterior10. Width of distal edge of the talonidWideWide, or reduced but wider than the anterior edgeNarrow, or almost as wide as the trigonidAlmost as wide as the trigonid, or narrow11. Postentocristid linking entoconid with hypoconulidAbsentPresentAbsentAbsent12. Metacristid slope (almost vertical, gently sloping)Almost verticalAlmost verticalAlmost verticalAlmost vertical, one species gently sloping
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2025-04-04



