This technique, which is commonly used in medical diagnosis, allows us to obtain very thin cuts of a piece and in this way the external morphology can be observed.
This technique is based on the nature of the paleontological material. The fossilization process causes the homogenization of the chemical and physical characteristics of the materials involved.

This fact causes an additional difficulty in the extraction of the fossil that can be solved with techniques that differentiate between different densities levels.This is the case of Computerized Tomography (CT), which is a non-invasive form of exploration. This is due to the attenuation undergone by x-rays when passing through matter based on their density.
Tomography also allows us to obtain the external morphology and biometrical data of the fossil that they will be used to analyze surfaces or volumes of visible regions or inaccessible regions normally not obtainable by invasive techniques.

Even so, the resulting models can be used for studies of biomechanical character. They simulate the physical properties of the materials and, therefore, contribute to add information on the biomechanical capacities of the organism.