Huttagraptus

They are passively mobile organisms.

URI: http://eol.org/schema/terms/passivelyMobile
Definition: Organisms that are mobile but do not move actively, e.g., floating organisms and epibionts on living mobile organisms.
Attribution: http://paleodb.org/public/tips/ecology_tips.html

EOL has data for 6 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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ordovician period
- URI: http://resource.geosciml.org/classifier/ics/ischart/Ordovician
- 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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436
trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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suspension feeder
- URI: http://eol.org/schema/terms/suspensionFeeder
- Definition: An organism which feeds on organisms and/or particles suspended in the water column.
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