Isograptidae
# Isograptidae

Isograptidae is an extinct family of graptolites.

## Genera

List of genera from Maletz (2014):

* †Arienigraptus Yu & Fang, 1981
* †Cardiograptus Harris & Keble, 1916 in Harris (1916)
* †Isograptus Moberg, 1892
* †Oncograptus Hall, 1914
* †Paracardiograptus Mu & Lee, 1958
* †Parisograptus Chen & Zhang, 1996
* †Procardiograptus Xiao, Xia & Wang 1985
* †Proncograptus Xiao, Xia & Wang, 1985
* †Pseudisograptus Beavis, 1972
* †Xiushuigraptus Yu & Fang, 1983
