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| Materiálatiipa: | Recurso digital |
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Zenodo
2026
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| Liŋkkat: | https://doi.org/10.5281/zenodo.18849512 |
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Sisdoallologahallan:
- <p>APPENDIX 2. — Linear regression equations used to estimate skull length for crocodylian specimens;total body length for vertebral regressions from Iijima & Kubo (2020). * measurement for final two rows, vertebral centrum length, is in mm. Abbreviations: <b>KNM</b>, National Museums of Kenya; <b>N</b>, number of specimens; <b>NHML</b>, Natural History Museum (London); <b>SL</b>, skull length; <b>TBI</b>, Turkana Basin Insitute; <b>TL</b>, total body length.</p><table><thead><tr><th><b>Taxon</b></th><th><b>Measurement, x (cm*)</b></th><th colspan="2"><b>Regression to SL (in cm) Regression</b> <b>and TL (in mm)</b> <b>trained on N =</b></th><th><b>Sources for regression data</b></th></tr></thead><tbody><tr><th rowspan="3"><i>Euthecodon</i></th><td>Mandible length</td><td>SL = 0.8754*x + 1.2113</td><td>4</td><td>KNM-ER 757, KNM-KP 18330, KNM-ER 8260, KNM-LT 26306</td></tr><tr><td>Mandible length to posterior of dentary articulation</td><td>SL = 0.8754*x + 1.2113</td><td>5</td><td>NMK-ER 757, KNM-KP 18330, KNM-ER 8260, KNM-LT 26306, KNM-KP 66227</td></tr><tr><td>Average tooth spacing (excluding two anteriormost tooth sockets)</td><td>SL = 19.966*x + 30.446</td><td>4</td><td>KNM-ER 757, KNM-LT 26306, KNM-ER 8260, KNM-ER 18330</td></tr><tr><th>cf. <i>Mecistops</i></th><td>Narrowest width of premaxilla Length of mandibular symphysis</td><td>SL = 9.97*x SL = 3.8706*x</td><td>1 1</td><td>NME L 398 2508A NME L 398 2508A</td></tr><tr><th rowspan="4"><i>Crocodylus</i></th><td>Mandible length Mandible length to posterior of dentary articulation</td><td>SL = 0.6829*x +6.4381 SL = 0.8206*x + 4.5791</td><td>23 19</td><td>NHML collections NHML collections</td></tr><tr><td>Length of mandibular symphysis Height of dentary at posterior end of mandibular symphysis</td><td>SL = 3.1846*x + 17.789 SL = 13.158*x</td><td>20 2</td><td>NHML collections NME AL 126-11, L.449-4 (Hadar, Shungura <i>Crocodylus</i>)</td></tr><tr><td>Length between centers of d9-d12 alveoli</td><td>SL = 5.1384*x + 8.318</td><td>18</td><td>NHML collections</td></tr><tr><td>Femur circumference D3-D10 vertebral centrum length C8-D2 vertebral centrum length</td><td>SL = 4.8793*x + 1.2857 log(TL) = 1.906 + 0.993*log(x) log(TL) = 2.015 + 0.956*log(x)</td><td>4 5 2</td><td>NHML collections Iijima & Kubo 2020 Iijima & Kubo 2020</td></tr></tbody></table>