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The name chiton is Neo-Latin derived from the Ancient Greek word khitōn, meaning tunic (which also is the source of the word chitin). The Ancient Greek word khitōn can be traced to the Central Semitic word *kittan , which is from the Akkadian words kitû or kita'um , meaning flax or linen, and originally the Sumerian word gada or gida .
Acanthochitonidae is a family of marine mollusks belonging to the class Polyplacophora, commonly known as chitons. Species are widely distributed throughout the world's oceans, but are most commonly found in the shallow waters of the Pacific Ocean , from Alaska to Chile .
Aplacophora / æ p l ə ˈ k ɒ f ər ə / is a possibly paraphyletic taxon. This is a class of small, deep-water, exclusively benthic, marine molluscs found in all oceans of the world. [1]
In contrast to many other mollusc classes, aplacophorans have no shell, and are instead covered by aragonitic sclerites (calcareous spicules), which can be solid or hollow.. These spicules can be arranged perpendicular to one another within the cuticle to form a skeleton, stick up to form a palisade, or can lie flat against the cutic
This is unlike the Polyplacophora (chitons), which have a number of pairs of ctenidia, but this number varies and is not related to the number of their body 'segments'. [5] The foot and pallial groove are very difficult indeed to discriminate from the polyplacophora, [5] supporting its placement in this group by molecular methods [3]
Still Waters, a Krazy Kat animated film; Still Waters, a Russian film; Still Waters, a film directed by J. Searle Dawley; Still Waters, a short documentary about P. K. Page "Still Waters" (Murdoch Mysteries), a 2008 television episode
Still Waters is the twenty-first and penultimate studio album by the Bee Gees, released on 10 March 1997 in the UK by Polydor Records, and on 6 May the same year in the US by A&M Records. The group made the album with a variety of top producers, including Russ Titelman , David Foster , Hugh Padgham , and Arif Mardin .
The distribution of Chiton magnificus ranges along the Pacific coast of South America from Cape Horn in Chile [3] to San Lorenzo Island in Peru. [2] Although there are old claimed records of this species from the Galápagos Islands, these are now considered incorrect.