Genus of gastropods
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Cinctura is a genus of fasciolariid sea snails known as the banded tulip shells. Species in this genus were previously grouped in the closely related genus "Fasciolaria". 
Taxonomy.
"Cinctura" was originally proposed as a subgenus of "Fasciolaria" in 1957 by Solomon Cady Hollister. It was raised to the rank of genus by Snyder et al. in 2012. "Cinctura" are known as "banded tulip shells"
Species.
Species within the genus "Cinctura" include:
Identification.
"Cinctura" differ from the closely related "Fasciolaria" in bearing a prominent parietal ridge within the aperture of the shell and in lacking an inflected sutural ramp.
Evolution.
"Cinctura" is closely related to "Fasciolaria". The earliest known fossils of "Cinctura" date to the Piacenzian age of the Pliocene.
Range.
The range of "Cinctura" species is restricted to the Gulf of Mexico and off the southeastern United States. No known species, living or extinct, are known from the Caribbean.
References.
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Works cited.
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