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Cowrie or cowry (pl. cowries) is the common name for a group of small to large sea snails in the family Cypraeidae. The term porcelain derives from the old Italian term for the cowrie shell (porcellana) due to their similar appearance. [1] Cowrie shells have held cultural, economic, and ornamental significance in various cultures.
Cypraeidae, commonly named the cowries (sg. cowry or cowrie), is a taxonomic family of small to large sea snails. These are marine gastropod mollusks in the superfamily Cypraeoidea , the cowries and cowry allies.
Hartmann claims that most or all humans were nomadic hunter-gatherers for hundreds of thousands of years, but that this standard gradually changed as agriculture developed in most societies, and more people worldwide became farmers. Over many years, most humans adapted to farming cultures, but Hartmann speculates that people with ADHD retained ...
On the edges there are large brown spots. The base is white or pale brown or pale pinkish. The aperture is long and narrow, with several dark brown teeth. This species can be distinguished by a characteristic brown columellar spot. In the living cowries the mantle is transparent, with blue sensorial papillae and may cover the entire shell.
Neobernaya spadicea, common name the chestnut cowrie, is a species of sea snail in the cowrie family, Cypraeidae. Chestnut cowries can be found in the eastern Pacific Ocean, from central California to Baja California. The chestnut cowrie has a highly glossy shell due to an enamel that is secreted from its mantle.
People with ADHD “have many strengths and can thrive with the right support and treatment,” said senior study author Dr. Josh Stott, professor of aging and clinical psychology at University ...
An alarming new study says that adults with ADHD die up to 11 years earlier due to a lack of appropriate support and treatment.. An exhaustive study of more than 30,000 adults with ADHD found a ...
The shells of these quite common cowries reach on average 16–19 millimetres (0.63–0.75 in) of length, with a minimum size of 10 millimetres (0.39 in) and a maximum size of 28 millimetres (1.1 in). The surface of the shell is smooth and shiny, the colors usually range from pale brown to dark brown, with numerous small yellowish spots.