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

References