Two new Cenozoic fossil species of Amphithyris (Brachiopoda) from North Otago, New Zealand

Jeffrey Robinson

doi:10.1071/RS25009

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Two new Cenozoic fossil species of Amphithyris (Brachiopoda) from North Otago, New Zealand

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Two new Cenozoic fossil species of Amphithyris (Brachiopoda) from North Otago, New Zealand

Jeffrey Robinson

Proceedings of the Royal Society of Victoria, Vol.138, RS25009

23/01/2026

DOI: https://doi.org/10.1071/RS25009

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https://hdl.handle.net/10523/49671

Abstract

Two new fossil species of Amphithyris Thomson, 1918 are described from the Late Eocene - earliest Oligocene Alma Group strata near Oamaru, North Otago, New Zealand. The two fossil species lived at mid to outer shelf depths. One of the new species has unusual teeth and socket ridges for platidiids. These are the first reported examples of fossil Amphithyris globally.

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Record Identifier: 9926836620301891
Title: Two new Cenozoic fossil species of Amphithyris (Brachiopoda) from North Otago, New Zealand
Creators: Jeffrey Robinson
Publication Details: Proceedings of the Royal Society of Victoria, Vol.138, RS25009
Academic Unit: Geology
Publisher: CSIRO Publishing
Date published ; e-published: 23/01/2026
Copyright: Copyright © The Author(s) 2026. This work was first published in Proceedings of the Royal Society of Victoria (CSIRO Publishing). This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial use, distribution and reproduction in any medium, provided the original work is properly attributed to the creator(s) and the source, is not altered, transformed, or built upon in any way, and a link to the Creative Commons license is provided.
Language: English
Resource Type ; Subtype: Journal article