Pro-kDNA has been observed in Bodo saltans, Bodo designis, Procryptobia sorokini syn. Bodo sorokini, Rhynchomonas nasuta, and Cephalothamnium cyclopi.
Pro-kDNA has been found in Bodo saltans, Bodo designis, Procryptobia sorokini (previously named Bodo sorokini), Rhynchomonas nasuta, and Cephalothamnium cyclopi.