Published June 3, 2022
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Table 2. A in The last African metatherian
- 1. CONICET (Consejo Nacional de Investigaciones Cientificas y Tecnicas), La Plata, Argentina & Division Paleontologia Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n, B 1900 FWA, La Plata, Argentina & GIUV 2016 - 303 Grup d'Investigacio en Paleontologia de Vertebrats del Cenozoic (PVC-GIUV), Àrea de Paleontologia, Departament de Botanica i Geologia, Universitat de Valencia, Dr. Moliner 50, 46100, Burjassot, Valencia, Spain & Departamento de Ciencias da Terra, FCT-UNL Faculdade de Ciencias E Tecnologia, GeoBioTec, Universidade Nova de Lisboa, 2829 - 516 Caparica, Portugal
- 2. CONICET (Consejo Nacional de Investigaciones Cientificas y Tecnicas), La Plata, Argentina & Division Paleontologia Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Paseo del Bosque s / n, B 1900 FWA, La Plata, Argentina
- 3. Sorbonne Universites, CR 2 P, UMR 7207 du CNRS, Departement Histoire de la Terre, Museum National d'Histoire Naturelle et Universite Pierre et Marie Curie, Paris, France
Description
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 m4 | Morotodon | Peradectes | Peratherium | Amphiperatherium |
|---|---|---|---|---|
| 1. Paracristid inclination | 45° | 45°, or less | 45° or less | 45°, less than 45°, more than 45° |
| 2. Metaconid position relative to the protoconid | Slightly posterior | Posterior, or at the same level | Same level, or metaconid posterior | Same level, or metaconid posterior, or protoconid posterior |
| 3. Hypoconulid position on the rear of the entoconid / proximity with the entoconid | Central | Almost central, or far lingual, or almost twinned to entoconid | Almost central, or far lingual, or almost twinned to entoconid | Almost central, or far lingual, or almost twinned to entoconid |
| 4. Postcingulid (present /absent /variable) | Absent | Variable | Variable | Variable |
| 5. Buccal cingulid (pres/abs/var) | Present | Variable | Variable | Variable |
| 6. Relative heights, entoconid /hypoconulid | Hypoconulid higher | Hypoconulid higher, or equal | Hypoconulid higher, or equal, or entoconid higher | Hypoconulid higher, or equal, or entoconid higher |
| 7. Width of the talonid at its anterior edge | Narrow | Less narrow, or wide | Narrow | Narrow, or less narrow |
| 8. Mesiodistal compression of paraconid | Not compressed | Compressed, or not compressed | Compressed, or not compressed | Compressed, or not compressed |
| 9. Entoconid position relative to hypoconid | Entoconid slightly anterior | Same level, or ent. Slightly anterior, or ent. Slightly posterior | Same level, or ent. slightly anterior | Same level, or ent. slightly anterior |
| 10. Width of distal edge of the talonid | Wide | Wide, or reduced but wider than the anterior edge | Narrow, or almost as wide as the trigonid | Almost as wide as the trigonid, or narrow |
| 11. Postentocristid linking entoconid with hypoconulid | Absent | Present | Absent | Absent |
| 12. Metacristid slope (almost vertical, gently sloping) | Almost vertical | Almost vertical | Almost vertical | Almost vertical, one species gently sloping |
Notes
Published as part of Crespo, Vicente D., Goin, Francisco J. & Pickford, Martin, 2022, The last African metatherian, pp. 173 in Fossil Record 25 (1) on page 173, DOI: 10.3897/fr.25.80706
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