Phyllograptus is a graptolite genus of the order Graptoloidea, in the family Phyllograptidae.

Fossils of this genus have been found in the Early Ordovician (475-473 million years ago), in the sediments of Australia, Bolivia, Canada, Chile, China, New Zealand, Norway, Spain, Sweden, the United Kingdom and United States.

They were passively mobile planktonic suspension feeders.

[1][2] Phyllograptus species are excellent index fossils or guide fossils for identifying Ordovician rocks.

This article related to an Ordovician animal is a stub.