Etremopsis opposita is an extinct species of sea snail, a marine gastropod mollusc, in the family Clathurellidae. Fossils of the species date to middle Miocene strata of the Port Phillip Basin of Victoria, Australia.
Description
In the original description, Powell described the species as follows:
The holotype of the species measures in height and has a diameter of .
Taxonomy
The species was first described by A. W. B. Powell in 1944. The holotype was collected at an unknown date prior to 1944 from the Altona Bay brown coal shafts in Victoria, Australia, and is held by the Auckland War Memorial Museum.
Distribution
This extinct marine species occurs in middle Miocene strata of the Port Phillip Basin of Victoria, Australia, including the Gellibrand Formation.
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References