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Diatoms

Bacillariophyta

Bacillariophyta (Diatoms) is a phylum of heterokont. There are 4333 species of Diatoms, in 570 genera and 96 families. This phylum has been around since the silurian period. It includes groups like Fragilariophyceae, Coscinodiscophyceae, and Mediophyceae. Dead Diatoms form siliceous oozes.

URI: http://resource.geosciml.org/classifier/ics/ischart/Silurian
Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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URI: http://purl.obolibrary.org/obo/NCIT_C25513
Definition: combine to create (something), eg: a structure

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URI: http://purl.obolibrary.org/obo/ENVO_02000044
Definition: Siliceous ooze is a marine sediment composed of the debris of plankton with silica shells, such as diatoms and radiolaria. This ooze is limited to areas with high biological productivity, such as the polar oceans, and upwelling zones near the equator. The least common type of sediment, it covers only 15% of the ocean floor. It accumulates at a slower rate than calcareous ooze: 0.2-1 cm / 1000 yr.

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EOL has data for 24 attributes, including:

known marine species
- URI: http://eol.org/schema/terms/DescribedAcceptedSpecies
- Definition: number of currently described and taxonomically accepted marine species in this clade (Appeltans et al. 2012. The Magnitude of Global Marine Species Diversity. Current Biology 22, 2189–2202. http://dx.doi.org/10.1016/j.cub.2012.09.036)
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5000
ecomorphological guild
- URI: http://eol.org/schema/terms/EcomorphologicalGuild
- Definition: organisms that share certain morphological traits due to adaptation to similar environments and ecological roles
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algae
- URI: https://www.wikidata.org/entity/Q37868
- Definition: aquatic, photosynthetic, and non vascular eukaryotic organisms (a polyphyletic group)
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first appearance
- URI: http://eol.org/schema/terms/FossilFirst
- Definition: The first appearance of this taxon in the fossil record.
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443.4 million years ago
geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Mozambique
- URI: https://www.geonames.org/1036973
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mineralized skeleton contains
- URI: https://eol.org/schema/terms/mineralizedSkeletonContains
- Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
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biogenic silica
- URI: http://purl.obolibrary.org/obo/CHEBI_64389
- Definition: A biogenic mineral comprised of hydrated silica
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number of fossil occurrences
- URI: http://eol.org/schema/terms/fossilOccPBDB
- Definition: The number of fossil occurrences in the Paleobiology Database (https://paleobiodb.org) that are identified as belonging to a particular taxon or any of its subtaxa.
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3003
type specimen repository
- URI: http://eol.org/schema/terms/TypeSpecimenRepository
- Definition: The institution that holds a type specimen for a given species. The recommended best practice is to use the identifier in a collections registry such as the Biodiversity Collections Index (http://www.biodiversitycollectionsindex.org/).
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NHMUK
water depth
- URI: http://rs.tdwg.org/dwc/terms/verbatimDepth
- Definition: The depth of seawater at a location where this organism has been observed or collected.
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100 m

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Diatom Habitats

The environments in which many diatoms species are known to live. Select an environment to see its diatoms species checklist.

diatoms Habitats

The environments in which many diatoms species are known to live. Select an environment to see its diatoms species checklist.

Diatoms

Bacillariophyta

Diatom Habitats

diatoms Habitats

diatoms includes 67 children: