Zoila thersites, the humpbacked cowry or black cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries. The shell of Zoila thersites can reach a length of 56–116 millimetres (2.2–4.6 in). This quite rare shell is oval, with a narrow aperture.

Zoila thersites (Gaskoin, 1849). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=530988 on 2024-10-25

With over 172,000 shells for sale. With seashell related information for expert and amateur collectors.

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Most organisms interact with other organisms in some way or another, and how they do so usually defines how they fit into an ecosystem. These interactions come to us from Global Biotic …

Zoila thersites thersites (Gaskoin, 1849). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=530989 on 2025-01-14

Zoila thersites contraria Iredale, 1935. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=530992 on 2025-01-15. original description Iredale, T. (1935). Australian cowries.

Zoila thersites (Gaskoin, 1849) in GBIF Secretariat (2023). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2025-02-09. Lorenz F. (2001) Monograph of the living <i>Zoila</i>. Hackenheim: Conchbooks. 187 …

Jan 30, 2025 · Zoila thersites (Gaskoin, 1849). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=530988 on 2025-01-28

Jan 4, 2015 · Black Cowry (Zoila friendii thersites) at Port Noarlunga - Dan Monceaux. Yesterday, while snorkeling at the Port Noarlunga reef in near perfect conditions I was fortunate enough to encounter a South Australian endemic gastropod mollusk, …