Syntomodrillia circinata

Syntomodrillia circinata is an extinct species of sea snail, a marine gastropod mollusc in the family Drilliidae. Fossils of the species have been found in strata of the Port Phillip Basin of Victoria, and date to either the late Oligocene or the early Miocene.

Description

In the original description, Powell described the species as follows:
The holotype of the species measures in height and in diameter.

Taxonomy

The species was first described by A.W.B. Powell in 1944. The holotype was collected from Torquay, Victoria at an unknown date prior to 1944, and is held by the Auckland War Memorial Museum.

Distribution

This extinct marine species dates to either the late Oligocene or the early Miocene, and occurs in the strata of the Port Phillip Basin of Victoria, Australia, either the Jan Juc Formation or the Puebla Formation.