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FIGURE 1. Boxplot comparing the measurements of Nesiotites from Caló d'en Rafelino with the other known fossil populations of the genus in the Balearic Islands. Notice that the only specimen of "N. rafelinensis" falls always within the variability range of N. ponsi from Cap Farrutx and/or N. aff. ponsi from Pedrera de s'Onix. Small circles represent outliers for each population (i.e., values exceeding between 1.5 and 3 times the box height above the top of the box or below its bottom). In the samples from Cap Farrutx with n=2, the box does not represent quartiles, but a total range according to maximum and minimum values provided by Reumer (1979).

figure 1

  FIGURE 2. Left hemimandibles of Nesiotites aff. ponsi from PO (1-4) and N. hidalgo from CC (5-7) showing morphological variability by combination of different states on the considered diagnostic characters of N. rafelinensis. 1-IPS51548; 2-IPS52318; 3-IPS52125 (A-Lingual view; B- Occlusal view); 4-IPS51469; 5-50483 (A- Occlusal view; B- Labial view); 6-IPS50626 (A-Labial view; B-Lingual view); 7-IPS50482. Arrows indicate the distance from the posterior extreme of the mental foramen to the vertical line crossing the tip of the protoconid. Notice that in 3A and 5B (examples randomly selected), any of these possible ways of measuring Hm2 by the lingual or the labial side indicate a more robust mandibular body than that of the specimen from Caló d'en Rafelino. Occlusal (3B, 5A) and lingual views (3A, 6B) of N. aff. ponsi and N. hidalgo have been included to be compared with the holotype of "N. rafelinensis" (Rofes et al., 2012, figure 3). Notice that morphological differences between "N. rafelinensis" and N. aff. ponsi are minimal.

figure 2


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