Tetragraptidae
# Tetragraptidae

Tetragraptidae is an extinct family of graptolites from the Floian to Darriwilian epochs of the Ordovician Period.

## Genera

List of genera from Maletz (2014):

* †Corymbograptus Obut & Sobolevskaya, 1964
* †Paratetragraptus Obut, 1957
* †Pendeograptus Bouček & Přibyl, 1951
* †Phyllograptus Hall, 1858
* †Pseudophyllograptus Cooper & Fortey, 1982
* †Pseudotrigonograptus Mu & Lee, 1958
* †Tetragraptus Salter, 1863
* †Tristichograptus Jackson & Bulman, 1970
