👉 Tetracapsuloids are a type of tetrads in the vertebrates, which are a group of multicellular organisms that have a single cell nucleus and three sets of chromosomes. They are characterized by their unique four-layered structure, known as a tetrad, which is composed of a central cell body (C), two cell bodies (B1 and B2), and two nuclei (N). These structures allow for the formation of tetrads that can be used for communication,