Table 1. Selected measurements in millimeters of the vertebrae from the Dahalokely tokana holotype, UA 8678.
Vertebra | CENL | CDCW | CDCH | MIDW | TOVH | NSH | NSL | NSW | IZW | IZL | IPPW | IDPW | PP/DP | EPL |
C?5 | 64.5 | 41.5 | 23.8 | 32.3 | 74.2 | 30.7 | 25.3 | — | 75.3 | 81.6 | 42.4 | † | † | 20.8 |
D?1 | 44.0 | 48.5 | 39.8 | 30.6 | 108.6 | 57.2 | 9.6 | 17.5 | 57.8 | 54.5 | 64.5 | † | † | — |
D?2 | 48.7 | 50.4 | 38.4 | 30.0 | 97.0 | 50.6 | *21.1 | 16.0 | 50.9 | 56.9 | 60.1 | 158.4 | 0.379 | — |
D?6 | 52.1 | 46.1 | 41.5 | 21.3 | 121.2 | 65.9 | 28.8 | 11.9 | 26.9 | 76.7 | 94.9 | 136.2 | 0.697 | — |
D?7 | 55.1 | 46.9 | 42.3 | 22.2 | 116.1 | 62.7 | 34.5 | 11.9 | 27.0 | 83.3 | 101.8 | 126.1 | 0.807 | — |
D?8 | 55.2 | 47.3 | 41.9 | 22.3 | 120.4 | 66.0 | 32.2 | 11.6 | 27.6 | 76.7 | 108.8 | 134.9 | 0.807 | — |
D?9 | † | 52.9 | 45.4 | † | 126.7 | 69.9 | 33.7 | 10.9 | 24.0 | † | 105.6 | 129.7 | 0.814 | — |
Abbreviations (modified after [22]): CENL, maximum craniocaudal length of centrum; CDCW, maximum width of caudal articular facet of centrum; CDCH, maximum height of caudal articular facet of centrum; MIDW, width of centrum at mid-length; TOVH, total vertebral height at maximum dorsoventral extent including centrum and neural spine; NSH, maximum height of neural spine measured from dorsal surface of neural canal; NSL, craniocaudal length of neural spine at spine mid-height; NSW, transverse extent (width) of neural spine at spine mid-height; IZW, interzygapophyseal width, the distance between lateral margins of postzygapophyses; IZL, interzygapophyseal length, the distance from cranial margin of right prezygapophysis to caudal margin of right postzygapophysis; IPPW, interparapophyseal width, measured between lateral limits of parapophyses; IDPW, interdiapophyseal width, measured between lateral limits of diapophyses; PP/DP, Para-Diapophyseal Index, ratio of IPPW to IDPW; EPL, epipophyseal length, measured from caudal margin of postzygapophyseal facet to caudalmost extent of epipophysis. —, measurement not applicable for element; †, element incomplete for measurement. *excludes ossified interspinous ligament.