ecdysozoans - Encyclopedia of Life

Ecdysozoa (Ecdysozoans) is a group of animals. There are 1112011 species of ecdysozoans, in 109207 genera and 4308 families. This group has been around since the Ediacaran Period. Ecdysozoans includes groups like Roundworms and Horsehair Worms.

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EOL has data for 4 attributes, including:

first appearance
- URI: http://eol.org/schema/terms/FossilFirst
- Definition: The first appearance of this taxon in the fossil record.
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Ediacaran Period
- URI: http://resource.geosciml.org/classifier/ics/ischart/Ediacaran
- Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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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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142630

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ecdysozoans includes 4 children: