Petrasma

Petrasma is a subgenus of in the family Solemyidae. They are facultatively mobile animals.

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

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EOL has data for 8 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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deep infaunal
- URI: http://eol.org/schema/terms/deepInfaunal
- Definition: Benthic organism that lives deep within unlithified (soft) substrate.
- Attribution: http://paleodb.org/public/tips/ecology_tips.html
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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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callovian age
- URI: http://resource.geosciml.org/classifier/ics/ischart/Callovian
- Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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marine
- URI: http://purl.obolibrary.org/obo/ENVO_00000447
- Definition: An aquatic biome that comprises systems of open-ocean and unprotected coastal habitats, characterized by exposure to wave action, tidal fluctuation, and ocean currents as well as systems that largely resemble these. Water in the marine biome is generally within the salinity range of seawater: 30 to 38 ppt.
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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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8
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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chemosymbiosis
- URI: http://www.wikidata.org/entity/Q50616418
- Definition: a symbiosis in which a bacterium provides chemically-derived energy and nutrients, often via the oxidation of hydrogen sulfide, to a heterotrophic organism.
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