Maoritomella nutans

Maoritomella nutans is an extinct species of sea snail, a marine gastropod mollusc, in the family Borsoniidae. Fossils of the species date to the middle Miocene strata of the St Vincent Basin of South Australia.

Description

In the original description, Powell described the species as follows:
The holotype of the species measures in length and has a diameter of. It is a moderately-sized member of Maoritomella with a large protoconch and two smooth whorls. The final half whorl has brephic axials.

Taxonomy

The species was first described by A. W. B. Powell in 1944. The holotype was collected by W. Howchin and J.C. Verco in 1919 from the Metropolitan Abbatoirs Bore in Adelaide, South Australia, at a depth of. It is held by the Auckland War Memorial Museum. Some fossils from the Metropolitan Abbatoirs Bore which had been identified as Asthenotoma subtilinea were later identified as members of M. nutans.

Distribution

This extinct marine species occurs in middle Miocene strata of the St Vincent Basin of South Australia, including the Dry Creek Sands.