High Quality Content by WIKIPEDIA articles! Xenophyophores are marine protozoa, giant single-celled organisms found throughout the world's oceans, at depths of up to 10,641 meters (6.6 miles). Xenophyophores are found in the greatest numbers on the abyssal plains of the deep ocean. They were first described as sponges in 1889, then as testate amoeboids, and later as their own phylum of Protista. A recent genetic study suggested that the xenophyophores are a specialized group of Foraminifera. There are approximately 42 recognized species in 13 genera and 2 orders; one of which, Syringammina fragilissima, is among the largest known protozoans at a maximum 20 centimetres in diameter.
    Publication Date20130128
    Publisher ImprintBook on Demand Ltd.


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