perekond

Psigraptus Jackson, 1967

Klassifikatsioon

organismirühm	Biota
domeen	Eukaryota
riik	Animalia
hõimkond	Hemichordata
klass	Pterobranchia
alamklass	Graptolithina
selts	Graptoloidea
alamselts	Graptodendroidina
sugukond	Anisograptidae
perekond	Adelograptus
	Ancoragraptus
	Anisograptus
	Aorograptus
	Araneograptus
	Bryograptus
	Chigraptus
	Choristograptus
	Heterograptus
	Hunnegraptus
	Kiaerograptus
	Paratemnograptus
	Psigraptus
	Radiograptus
	Rhabdinopora
	Sagenograptus
	Staurograptus
	Stellatograptus
	Toyenograptus
	Triograptus
	Triramograptus