Cyclograptidae

Cyclograptidae
Scientific classification
Kingdom:	Animalia
Phylum:	Hemichordata
Class:	Graptolithina
Family:	Cyclograptidae
Synonyms
	†Tuboidea Kozlowski 1938 sensu Kozlowsk 1949;

Cyclograptidae is an extinct family of graptolites.^[1]

^ Maletz, Jörg (2017). Graptolite Paleobiology. Wiley-Blackwell. ISBN 9781118515617.