Isograptidae Explained

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

Genera

List of genera from Maletz (2014):^[2]

• †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

Notes and References

1. Book: Maletz, Jörg. Graptolite Paleobiology. 2017. Wiley-Blackwell. 9781118515617.
2. Maletz . Jörg. The classification of the Pterobranchia (Cephalodiscida and Graptolithina) . Bulletin of Geosciences . 2014 . 89 . 3 . 477–540 . 10.3140/bull.geosci.1465 . 1214-1119. free .