sˈæmoʊstˌeɪdə bᵻlˈɔŋz tə ðɪ ˈɔːɹdɚ tˈɛɹɐspˌɪdɪfˌoːɹmz ænd klˈæs tˌɛɹɐspˌɪdəmˈoːɹfi, wˌɪtʃ ɪz wˈʌn ʌvðə mˈeɪdʒɚ klˈæsᵻz ʌvðə pˌæɹəfaɪlˈɛɾɪk ɡɹˈuːp ˈɑːstɹɐkˌoʊdɜːm.
Psammosteida belongs to the order Pteraspidiformes and class Pteraspidomorphi, which is one of the major classes of the paraphyletic group Ostracoderm.