Genera
List of genera from Maletz (2014): *†'' Bulmanicrusta'' Kozłowski, 1962 *†'' Ellesicrusta'' Kozłowski, 1962 *†'' Graptoblastoides'' Kozłowski, 1949 *†'' Graptoblastus'' Kozłowski, 1949 *†'' Holmicrusta'' Kozłowski, 1962 *†'' Hormograptus'' Öpik, 1930 *†'' Lapworthicrusta'' Kozłowski, 1962 *†'' Maenniligraptus'' Mierzejewski, 1986b *†'' Ruedemannicrusta'' Kozłowski, 1962 *†'' Thallograptus'' Öpik, 1928 *†'' Urbanekicrusta'' Mierzejewski, 1986b *†'' Wimanicrusta'' Kozłowski, 1962 *†'' Xenocyathus'' Eisenack, 1982References
Graptolites Prehistoric hemichordate families {{Hemichordate-stub