A, B detail of the spire and protoconch of Umbilia tomdarraghi sp. nov. A holotype WAM 89.636b B paratype 1, WAM 89.636a C U. hesitata hesitata D U. hesitata suprastrata.

 
 
  Part of: Southgate PC, Militz TA (2023) A new species of Umbilia Jousseaume, 1884 (Mollusca, Cypraeidae) from the Pliocene fauna of the Roe Plains, Western Australia. ZooKeys 1169: 1-13. https://doi.org/10.3897/zookeys.1169.106338