Family † Cephalaspididae Agassiz 1844, spelling in prevailing recent practice

†Cephalaspides Agassiz 1844 Tome II pt. 1: 308 (family) † Cephalaspis Agassiz 1835 [family name sometimes seen as †Céphalaspides; latinized to †Cephalaspidini by Bonaparte 1846: 4 (subfamily), latinized to † Cephalaspidae by Owen 1846: 50, Huxley 1861: 38 and Günther 1880: 353, latinized to †Cephalaspides by Giebel 1846: 64 and Giebel 1847: 261, latinized to †Cephalaspida by Asmuss 1856: 10; considered valid with this authorship by Müller 1846: 122, 151, by M’Coy 1848: 6, by Bronn 1849: 656, by Quenstedt 1852: 231, by M’Coy 1855:

598, by Pander 1856: 43, by Bleeker 1859: XI, by Denison 1951: 188 and by Halstead 1993: 578 Art. 11.7.2; not the order Cephalaspidea Fischer 1883 in Mollusca]