Isograptidae is an extinct family of

graptolite Graptolites are a group of colonial animals, members of the subclass Graptolithina within the class Pterobranchia. These filter-feeding organisms are known chiefly from fossils found from the Middle Cambrian ( Miaolingian, Wuliuan) through t ...

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

References

Graptolites Prehistoric hemichordate families {{Hemichordate-stub