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Some of the southern Japanese islands are famous for their beautiful "star sand". These grains are the shells of microscopic, single-celled organisms called foraminiferans or forams (this image is of Baculosypsina sp.). Foraminifera commonly produce a calciferous test (skeleton) that is divided into chambers. Live forams have filopodia (thin cytoplasmic extensions) that are united in a complex fashion to produce reticulopodia.
Image and text copyright © Dennis Kunkel. All rights reserved. |
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