Fragilia

They are facultatively mobile organisms.

URI: http://eol.org/schema/terms/facultativelyMobile
Definition: Organisms that can change location but do so infrequently, e.g., crinoids, some infaunal bivalves.
Attribution: http://paleodb.org/public/tips/ecology_tips.html

EOL has data for 7 attributes, including:

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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infaunal
- URI: http://www.marinespecies.org/traits/Infaunal
- Definition: Benthic animals which live within the seabed.
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:Infaunal
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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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38 million years ago
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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5
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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deposit feeder
- URI: http://eol.org/schema/terms/depositFeeder
- Definition: an organism that eats particulate organic material in or on sediments.
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