Genus

Sigmagraptus Ruedemann, 1904

Klassificering

Organism group	Biota
Domain	Eukaryota
Kingdom	Animalia
Phylum	Hemichordata
Class	Pterobranchia
Subclass	Graptolithina
Suborder	Sinograptina
Family	Sigmagraptidae
Genus	Acrograptus
	Azygograptus
	Catenagraptus
	Eotetragraptus
	Etagraptus
	Goniograptus
	Jiangnanograptus
	Jishougraptus
	Keblograptus
	Kinnegraptus
	Laxograptus
	Maeandrograptus
	Oslograptus
	Paradelograptus
	Paraulograptus
	Perissograptus
	Praegoniograptus
	Prokinnegraptus
	Sigmagraptus
	Trichograptus
	Yushanograptus