Spondyloepiphyseal Dysplasia Tarda, X-Linked, also known as spondyloepiphyseal dysplasia tarda, is related to spondyloepiphyseal dysplasia congenita and dyggve-melchior-clausen disease, and has symptoms including arthralgia An important gene associated with Spondyloepiphyseal Dysplasia Tarda, X-Linked is TRAPPC2 (Trafficking Protein Particle Complex Subunit 2), and among its related pathways/superpathways are Metabolism of proteins and Vesicle-mediated transport. Affiliated tissues include bone, and related phenotypes are failure to thrive and disproportionate short-trunk short stature