ɪt hˈæzbiːn ʃˈoʊn ðætðə flˈoːɹ plˈeɪt ɪz kənsˈɜːvd ɐmˌʌŋ vˈɜːɾɪbɹˌeɪts, sˈʌtʃ ɐz zˈɛbɹæfɪʃ ænd mˈaɪs, wɪð həmˈɑːləɡəs stɹˈʌktʃɚz ɪn ɪnvˈɜːɾɪbɹˌeɪts sˈʌtʃ ɐz ðə fɹˈuːt flˈaɪ dɹˌɑːsəfˈɪlə ænd ðə nˈɛmɐtˌoʊd sˈiː. ˈɛlɪɡənz.
It has been shown that the floor plate is conserved among vertebrates, such as zebrafish and mice, with homologous structures in invertebrates such as the fruit fly Drosophila and the nematode C. elegans.