Parachleuastochoerus was an extinct genus of even-toed ungulates that existed during the Miocene in Europe. It was a smaller descendant of the Conohyus genus, with narrower cheek teeth and reduced premolars.
P. steinheimensis fed on roots, as indicated by <sup>87</sup>Sr/<sup>86</sup>Sr, ô<sup>18</sup>O<sub>CO3</sub>, and ô<sup>13</sup>C values sourced from its dental enamel.