Schilderia
''Schilderia'' is a genus of sea snails, marine gastropod mollusks in the family Cypraeidae, the cowries. This is a nomen nudum. Almost all species of this genus have become synonyms in '' Schilderina'' Dolin & Aguerre, 2020 Description and distribution The shell size of these sea snails varies between 22 mm and 50 mm. The dorsum surface is usually brown, while the base is white. Species within this genus are widespread in the western Mediterranean Sea and along the coasts of the western Africa. Fossil records The fossil record of this genus dates back to the Miocene (age range: from 23.03 to 2.588 million years ago). These fossils have been found in Italy, Spain, France and Greece."''Schilderia'' Tomlin 1930 (cowry)"

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Schilderia Achatidea
''Schilderina achatidea'', common name agate cowry, is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.MolluscaBase eds. (2022). MolluscaBase. Schilderina achatidea (Gray, 1837). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1510192 on 2022-05-09 Description The shell size varies between 22 mm and 50 mm. The dorsum surface is usually brown, while the base is white. Distribution This species can be found in the Mediterranean Sea and in northwestern Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area .... Subspecies * ''Schilderina achatidea achatidea'' Gray in Sowerby II, 1837 * ''Schilderina achatidea inopinata'' Schilder, 1930 * ''Schilderina achati ...
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