4.1. Data acquisition

4.2. Analysis of counts and 2D measurements

4.3. Analyses of the 3D dataset: distances, heights, and geometric morphometrics

5.1. 2D morphological variation: overall changes with size and localized differences between subspecies

5.2. Disparity through ontogeny

5.3. Variations in 3D distances and denticle heights

5.4. Distances, denticle height and pit depth as a function of growth

5.5. 3D Geometric morphometrics

6.1. Subspecies describe an ontogenetic-driven morphological variation

6.2. A potential for temporal changes along the ontogenetic pattern

6.3. Morphological disparity along ontogeny: hint of changing constraints