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Sphaerozoum (sphere-owe-zoo-um), detail of the surface of a colony, in which many individual organisms can be seen. In the centre of each of the bright regions is the capsule. This is an example of one of the four types of large amoebae which is common in the marine water column. Dark ground image by Dave Caron.
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Acrosphaera (ack-row-sphere-a) spinosa, spherical colonial radiolarian. This is an example of one of the four types of large amoebae which commonly occur in the marine water colum. Dark ground image by N. R. Swanberg.
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The central capsules are worm-like. With oil droplets, nuclei, small pigment spots and yellow symbiotic algae.
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Young of Orthagoriscus, 18 and 22 mill. long.
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From the species description in the Challenger Reports
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Grove, O, Galicia, Spain
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All Biocode files are based on field identifications to the best of the researcher’s ability at the time.
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A living specimen of a spherical spumellarian radiolarian (Styptosphaera sp.) showing the spherical central capsule enclosed by a spongiose siliceous shell. Numerous cytoplasmic strands (axopodia) radiate outward from the central capsule and bear patches of golden-pigmented algal symbionts.
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Living coenobium, with serpentine central capsules. Numerous yellow algal cells are scattered among the radial pseudopodia.
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Amphilonche (amf-ee-lonk-chee) - an acantharean, the cytoplasm is attached to the radiating spicules by contractile myonemes. Two of the spicules are much longer than the others. This is an example of one of the four types of large amoebae which commonly occur in the marine water colum. Dark ground image by Dave Caron.
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Hexaconus serratus.
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Peniscola, Valencia, Spain
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All Biocode files are based on field identifications to the best of the researcher’s ability at the time.
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Collozoum - a colonial radiolarian, the bright spots being the central capsules of the organisms which make up the colony. Up to 5000 capsules may be present in a colony. These colonies are like long sausages up to several centimetres in length. There is a sheath of organic material, and this may be referred to as gelatin. The colony has a segmented appearance because the components of the colony lie in a matrix around large vacuoles or alveoli. This is an example of one of the four types of large amoebae which is common in the marine water column. Image by Dave Caron.
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