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In 1980 Levine proposed another scheme: Kingdom Protista, Phylum Sarcomastigophora, Subphylum Sarcodina, Superclass Actinopoda, Class Radiolaria. In this scheme, Radiolaria is not considered a natural group, and Spumellaria, Nassellaria, and Phaeodaria are considered to be subclasses.
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www.ucmp.berkeley.edu/protista/radiolaria/radsy.html
www.ucmp.berkeley.edu/protista/radiolaria/radsy.html
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Micscape Magazine for enthusiast microscopy ... Radiolaria are placed together with the sun animalcules (Heliozoa) in the phylum Actinopoda. What we call radiolaria are in fact two separate classes that are only remotely related: the Polycystina and the Phaeodaria.
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www.microscopy-uk.org.uk/mag/artjun99/bdradio.html
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Radiolaria.org ... Unversity College London Radiolaria page ... Radiolaria micrographs...
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oceanlink.island.net/biodiversity/radiolaria/radiolaria...
oceanlink.island.net/biodiversity/radiolaria/radiolaria.html
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Members of phylum Foraminifera have calcerous external skeletons that are deposited at the bottom of thre sea and become incorporated into sedimentary rock. The White Cliffs of Dover are composed principally of the remains of foraminiferans.
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userwww.sfsu.edu/~biol240/labs/lab_06protists/pages/for...
userwww.sfsu.edu/~biol240/labs/lab_06protists/pages/foramina.html
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The main class of radiolarians are the Polycystinea. They include the vast majority of the fossil radiolaria, ... Sarcodina is ranked anywhere from a phylum, to a subphylum, to a class. Radiolarians are placed within the Actinopodea group within Sarcodina, with actinopods being those where the pseudopods are supported by...
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www.newworldencyclopedia.org/entry/Radiolaria
www.newworldencyclopedia.org/entry/Radiolaria
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Any of various marine protozoans of the order Radiolaria, having rigid siliceous skeletons and spicules. ... Radiolarians (also radiolaria) are amoeboid protozoa that produce intricate mineral skeletons, typically with a central capsule dividing the cell into inner and outer portions, called endoplasm and ectoplasm.
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www.answers.com/topic/radiolarian
www.answers.com/topic/radiolarian
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The Radiolarians have glassy skeletons of often perfect geometric form and symmetry. They are an ancient group, dating back to ancient times. Radiolaria can range anywhere from 30 microns to 2mm in diameter.
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www.daniel-wright.district103.k12.il.us/jmay/Radiolaria...
www.daniel-wright.district103.k12.il.us/jmay/Radiolaria.html
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the phylum Radiolaria, uniting two superclasses Phaeodaria and .... morphological basis for the phylogeny and classification of the phylum Radiolaria. ...
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www.radiolaria.org/files/Abstract_content_introduction....
www.radiolaria.org/files/Abstract_content_introduction.pdf
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A new classification of the phylum Radiolaria, uniting two superclasses Phaeodaria and Polycystina is proposed. The superclass Polycystina is composed of six classes: Aculearia, Sphaerellaria, Spumellaria, Stauraxonaria, Nassellaria, and Collodaria.
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www.radiolaria.org/news.htm?ne_id=28
www.radiolaria.org/news.htm?ne_id=28
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