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TABLE 1. Measurements of skeletal elements of referred specimens of Kupoupou stilwelli n. gen. et sp. Refer to Figure 2 and Figure A2 for relating numerals associated with each cervical vertebra to images of their corresponding element.

Specimen/Element Measurement distance Measurement
(mm)
NMNZ S.44729/Coracoid Maximum omal-sternal length 91.4
  Maximum omal-sternal distance of sulcus musculi supracoracoidei 12.1
  Maximum diameter of scapular condyle 7.7
NMNZ S.47303/Carpometacarpus Total length 31.9
  Distal craniocaudal width 11.73
  Distal dorsoventral depth 4.16
NMNZ S.47303/Left radius Total proximodistal length 69.16
  Proximal craniocaudal width 7.33
  Mid-shaft craniocaudal width 6.38
  Proximal dorsoventral depth 4.61
  Mid-shaft dorsoventral depth 3.35
  Distance from cotylaris humeralis to bend on cranial margin 24.82
NMNZ S.47303/Right radius (broken) Total proximodistal length (broken) 41.91
  Proximal craniocaudal width 7.06
  Mid-shaft craniocaudal width 7.58
  Proximal dorsoventral depth 5.75
  Mid-shaft dorsoventral depth 3.3
  Distance from cotylaris humeralis to bend on cranial margin 17.5
NMNZ S.47303/Manus phalanx II-1 Total length 24.14
  Proximal craniocaudal width 6.54
  Proximal dorsoventral depth 3.66
  Distal craniocaudal width 5.05
  Distal dorsoventral depth 1.85
  Maximum craniocaudal width 8.51
NMNZ S.47303/Manus phalanx III-1 Total length 13.17
  Proximal facet craniocaudal width 4.3
  Proximal facet dorsoventral depth 3.75
  Mid-shaft craniocaudal width 4.65
NMNZ S.47303/Axis Craniocaudal length of neural canal 12.28
  Lateral diameter of neural canal 5.5
  Total distance between tips of ventral process and neural spine 25.9
NMNZ S.47303/Cervical (i) Craniocaudal length of neural canal 13.9
  Lateral diameter of neural canal 7.14
  Total distance between tips of ventral process and neural spine 23.42
NMNZ S.47303/Cervical (ii) Craniocaudal length of neural canal 19.07
  Maximum lateral width between caudal zygapophyses 17.99
  Maximum lateral width between cranial zygapophyses 14.1
NMNZ S.47303/Cervical (iii) Craniocaudal length of neural canal 17.45
  Lateral diameter of neural canal 7.27
  Maximum lateral width between cranial zygapophyses 18.15
NMNZ S.47303/Cervical (iv) Craniocaudal length of neural canal 16.8
  Lateral diameter of neural canal 7.95
  Maximum lateral width between cranial zygapophyses 24.47
  Maximum lateral width between caudal zygapophyses 24
NMNZ S.47303/Caudal vertebra Lateral diameter of centrum/corpus 7.34
  Maximum lateral width 13.89
  Maximum dorsoventral height 15.57
  Maximum craniocaudal length of centrum/corpus 7.45
NMNZ S.47303/Rib Maximum length 70.42
NMNZ S.47303/Ischium Maximum craniocaudal length 41.42
  Maximum dorsoventral width 14.99
  Maximum mediolateral depth 2.36
NMNZ S.47308/Femur Maximum proximodistal length c. 96.0
  Maximum mediolateral width of distal end 25.7
  Maximum mediolateral width of proximal end 26.7
NMNZ S.47308/Humerus Maximum proximodistal length 106.8
  Mid-shaft craniocaudal width 13.3
  Maximum craniocaudal width of caput humeri 20.6
NMNZ S.47308/Coracoid Maximum omal-sternal length -
NMNZ S.47308/Ulna Maximum proximodistal length 69.9
  Proximal craniocaudal width 22.6
  Proximal dorsoventral depth 11.0
  Mid-shaft craniocaudal width 10.5
  Mid-shaft dorsoventral depth 6.5
  Distal craniocaudal width 10.0
NMNZ S.47339/Scapula Distance from facies articularis humeralis to acromion 22.0
NMNZ S.47339/Humerus Maximum proximodistal length -
  Mid-shaft craniocaudal width 14.4
  Maximum craniocaudal width of caput humeri 18.6
NMNZ S.47339/Ulna Maximum proximodistal length -
  Proximal craniocaudal width 22.1
  Proximal dorsoventral depth 11.3
  Mid-shaft craniocaudal width 11.0
  Mid-shaft dorsoventral depth 6.8
NMNZ S.47339/Radius Total proximodistal length 77.3
  Proximal craniocaudal width 8.5
  Mid-shaft craniocaudal width 8.2
  Proximal dorsoventral depth 7.1
  Mid-shaft dorsoventral depth -
  Distance from cotylaris humeralis to bend on cranial margin 16.3

 

 

TABLE 2. Measurements of skeletal elements of specimens associated with the larger Chatham Island form.

Specimen/Element Measurement distance Measurement
(mm)
NMNZ S.47302/Mandible Maximum rostrocaudal length 45.65
  Maximum mediolateral width 13.23
  Maximum dorsoventral depth 24.94
NMNZ S.47302/Furcula Maximum length of left clavicle from omal end to extremitas sternalis claviculae 46.99
  Distance between omal-most ends of each clavicle 59.85
  Maximum omal-caudal width 5.45
  Maximum dorsoventral depth 11.32
NMNZ S.47302/Cervical vertebra IV Length of neural canal 19.28
  Lateral diameter of neural canal 6.09
  Maximum lateral width between cranial zygapophyses 25.73
  Maximum lateral width between caudal zygapophyses 26
  Total distance between tips of ventral process and neural spine 24.09
NMNZ S.47302/Coracoid Diameter of scapular condyle 8.45
  Maximum omal-sternal length 62.02
  Maximum omal-sternal distance of sulcus musculi supracoracoidei 29.25
NMNZ S.47302/Sternum Maximum length 24.48
  Maximum width 22.23
  Maximum depth of carina sterni 6.09
NMNZ S.47304/Humerus Maximum proximodistal length 116.3
  Mid-shaft craniocaudal width 20.0
  Maximum craniocaudal width of caput humeri 27.0

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