hˈɛmɪsˌaɪklæspiz ɡɹˈuː tʊ ɐ lˈɛŋθ ʌv fˈaɪv ˈɪntʃᵻz θˈɜːtiːn sˈɛntɪmˌiːɾɚz ænd wʊd mˈoʊst lˈaɪkli hæv fˈɛd ˌɔn pˈɑːɹɾɪkəlz fɹʌmðə mˈʌdi sˈiː bˈɛd.
Hemicyclaspis grew to a length of 5 inches (13 centimeters) and would most likely have fed on particles from the muddy sea bed.