“…Morphometric image analyses quantify the size dimensions and geometric shapes of structures from digital photographs. Such analyses can measure the whole body plans of biological specimens, 2 specific body parts (e.g., jaws 3 ), and anatomic features on bones, 4 scales, 5 beaks, 6 shells, 7 wing venation, 8 eggs, 9 seeds, 10 on scans of brain regions 11 and pharyngeal airways. 12 Morphometric image analyses are also used to analyze fossils 13 and archaeological artefacts such as arrow points.…”