Sea Urchins

Echinoidea Leske 1778

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Echinoidea (Sea Urchins) is a class of echinoderms. There are 3412 species of Sea Urchins, in 728 genera and 139 families. This class has been around since the middle ordovician epoch. Dead Sea Urchins form shallow marine sediments. They are omnivores. They have sexual reproduction.

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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_03000034
Definition: Marine sediment that accumulates within shallow regions of the oceanic basin close to continents, such as the continental shelf, or continental slope

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URI: https://www.wikidata.org/entity/Q164509
Comment: Auto-added during harvest #1048. A human needs to edit this.
Attribution: Crustacean body sizes

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URI: http://purl.obolibrary.org/obo/GO_0019953
Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.

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EOL has data for 25 attributes, including:

Body symmetry
- URI: http://eol.org/schema/terms/body_symmetry
- Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
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pentaradial symmetry
- URI: http://eol.org/schema/terms/pentaradially_symmetric
- Definition: radial symmetry with a five-fold repeating pattern
- Attribution: https://en.wikipedia.org/wiki/Symmetry_in_biology#Subtypes_of_radial_symmetry
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cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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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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999
first appearance
- URI: http://eol.org/schema/terms/FossilFirst
- Definition: The first appearance of this taxon in the fossil record.
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470 million years ago
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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locomotion
- URI: http://purl.obolibrary.org/obo/GO_0040011
- Definition: Self-propelled movement of a cell or organism from one location to another.
- Attribution: [database_cross_reference: GOC:dgh]
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crawling
- URI: http://purl.obolibrary.org/obo/NBO_0000363
- Definition: Behavior related to the movement resulting by dragging the body close to the ground or substrate
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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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10937
reproduction
- URI: http://purl.obolibrary.org/obo/GO_0000003
- Definition: The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms
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sexual reproduction
- URI: http://purl.obolibrary.org/obo/GO_0019953
- Definition: Capable of creating a new organism by combining the genetic material of two gametes, which may come from two parent organisms or from a single organism, in the case of self-fertilizing hermaphrodites.
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trophic level
- URI: http://www.wikidata.org/entity/Q1053008
- Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.
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omnivore
- URI: https://www.wikidata.org/entity/Q164509
- Comment: Auto-added during harvest #1048. A human needs to edit this.
- Attribution: Crustacean body sizes
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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
undescribed marine species present in museum collections
- URI: http://eol.org/schema/terms/UndescribedSpeciesInMuseumCollections
- Definition: "marine species in this clade which are currently represented in specimen collections (estimate) (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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20
visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
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photoreceptor cell
- URI: http://purl.obolibrary.org/obo/BTO_0001060
- Definition: A specialized cell type in a multicellular organism that is sensitive to light.
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Sea Urchin Habitats

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

sea urchins Habitats

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

sea urchins includes 2 children: