Persististrombus radix

Persististrombus radix is an extinct species of fossil sea snail, a marine gastropod mollusk in the family Strombidae, the conchs.

Fossil record
Fossils of Persististrombus radix are found in marine strata of the Oligocene (age range: from 28.4 to 23.03 million years ago.). Fossils are known from Bulgaria, France, Greece, India, Iran and Somalia.