Graptoloidea

thumb|Monograptus sp. from the Wenlock of Vailhan, Hérault, France. 12 cm block. Graptolites preserved in three dimensions.

Diplograptidae is an extinct family of graptolites.

Tetragraptus is an extinct genus of graptolites from the Ordovician period.

Phyllograptus is a graptolite genus of the order Graptoloidea, in the family Tetragraptidae.