A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Pliocene fauna of the Roe Plains, Western Australia

Paul C Southgate; Thane Militz

doi:10.3897/zookeys.1169.106338

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A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Pliocene fauna of the Roe Plains, Western Australia

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A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Pliocene fauna of the Roe Plains, Western Australia

Paul C Southgate and Thane Militz

ZooKeys, Vol.1169, pp.1-13

2023

DOI: https://doi.org/10.3897/zookeys.1169.106338

PMCID: PMC10339109

PMID: 37457654

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A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Plioce...

Abstract

Cowrie

cowry

fossil

Roe Calcarenite

taxonomy

Umbilia tomdarraghi sp nov

A new morphologically distinct species of cowry (family Cypraeidae Rafinesque, 1815) is described from the Late Pliocene Roe Calcarenite of the Roe Plains, Western Australia. Previously assigned to Umbilia hesitata (Iredale, 1916), the new species differs morpho-metrically from related taxa and is differentiated from U. hesitata by a number of shell features including a prominent, projecting protoconch, less extended posterior and anterior terminals, coarser columellar teeth extending onto the base, and well-developed, thickened anterior flanges, supporting a rounded anterior extremity with blunt anterior tips. Um-bilia tomdarraghi sp. nov. is the third Umbilia species to be described from the Pliocene.

Details

Title: A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Pliocene fauna of the Roe Plains, Western Australia
Authors: Paul C Southgate (Corresponding Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and Engineering
Thane Militz (Author) - University of the Sunshine Coast, Queensland, Australian Centre for Pacific Islands Research
Publication details: ZooKeys, Vol.1169, pp.1-13
Publisher: Pensoft Publishers
Date published: 2023
DOI: 10.3897/zookeys.1169.106338
ISSN: 1313-2970
PMID: 37457654; PMC10339109
Copyright note: © Paul C. Southgate & Thane A. Militz. This is an open access article distributed under terms of the Creative Commons Attribution License (Attribution 4.0 International CC BY 4.0).
Grant note: University of the Sunshine Coast Research Initiative
Organisation Unit: Australian Centre for Pacific Islands Research; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99739597702621
Output Type: Journal article

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