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- protective shell of a type of eukaryotic organism (en)
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- dbr:Pennales
- dbr:Coscinodiscophyceae
- Shell micrographs (en)
- Shell of a spherical radiolarian (en)
- Energetic costs in coccolithophore calcification (en)
- Extinct fossil (en)
- Have plates called coccoliths (en)
- X-ray microtomography of Triplococcus acanthicus. This is a microfossil from the Middle Ordovician with four nested spheres. The innermost sphere is highlighted red. Each segment is shown at the same scale. (en)
- SEM images of pores in diatom frustules (en)
- Diatoms, major components of marine plankton, have silica skeletons called frustules. "The microscopic structures of diatoms help them manipulate light, leading to hopes they could be used in new technologies for light detection, computing or robotics. (en)
- Benefits in coccolithophore calcification – see text above (en)
- Triparma laevis and a drawing of its silicate shell, scale bar = 1 μm. (en)
- ...and in life, showing pseudopodia streaming from pores (en)
- Exploded drawing of the shell, D = dorsal plate, G = girdle plate, S = shield plate and V = ventral plate. (en)
- Size comparison between the relatively large coccolithophore Scyphosphaera apsteinii and the relatively small but ubiquitous coccolithophore Emiliania huxleyi (en)
- Empty Foraminiferan test, showing multiple chambers and pores (en)
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- horizontal (en)
- vertical (en)
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- Drawings by Haeckel 1904 (en)
- Coccolithophores build calcite skeletons important to the marine carbon cycle (en)
- Diatoms have a silica shell with radial or bilateral symmetry (en)
- Computer simulations of Turing patterns on a sphere closely replicate some radiolarian shell patterns (en)
- Triparma laevis belongs to the Bolidophyceae, a sister taxon to the diatoms. (en)
- Foraminiferans are important unicellular zooplankton [[#Protists (en)
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- Diatoms (en)
- Fossil radiolarian (en)
- Radiolarian shapes (en)
- Turing and radiolarian morphology (en)
- Foraminiferans (en)
- Coccolithophores (en)
- Diatom shapes (en)
- Foraminiferan shapes (en)
- Benefits of having shells (en)
- Costs of having shells (en)
- Coccolithophore shells (en)
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- 9 (xsd:integer)
- Micro-CT model of radiolarian, Triplococcus acanthicus.png (en)
- Haeckel Phaeodaria 1.jpg (en)
- Haeckel Stephoidea edit.jpg (en)
- Radiolarians - Actinomma sol .jpg (en)
- Spherical radiolarian.jpg (en)
- Foram-globigerina hg.jpg (en)
- G bulloides Brady 1884.jpg (en)
- Centric diatom .jpg (en)
- Discoaster surculus 01.jpg (en)
- Pennate diatoms .jpg (en)
- Triparma laevis and shell.jpg (en)
- Triparma laevis exploded shell.jpg (en)
- Haeckel Diatomea 4.jpg (en)
- Haeckel Diatomea.jpg (en)
- Haeckel Thalamophora 12.jpg (en)
- Haeckel Thalamphora.jpg (en)
- Calcification and energetic costs of a coccolithophore cell.jpg (en)
- Benefits of calcification in coccolithophores.jpg (en)
- Comparative coccolithophore sizes.png (en)
- Marine diatoms SEM2.jpg (en)
- SEM images of pores in diatom frustules.webp (en)
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