Sea Urchins

Echinoidea Leske 1778

JAMSTEC cc-by-nc-4.0

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.

show all records

URI: http://purl.obolibrary.org/obo/NCIT_C25513
Definition: combine to create (something), eg: a structure

show all records

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

show all records

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

show all records

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.

show all records

EOL has data for 23 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
show all records
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
show all records
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 ]
show all records
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 ]
show all records
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)
show all records
999
first appearance
- URI: http://eol.org/schema/terms/FossilFirst
- Definition: The first appearance of this taxon in the fossil record.
show all records
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
show all records
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.
show all records
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]
show all records
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
show all records
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.
show all records
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
show all records
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.
show all records
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.
show all records
omnivore
- URI: https://www.wikidata.org/entity/Q164509
- Comment: Auto-added during harvest #1048. A human needs to edit this.
- Attribution: Crustacean body sizes
show all records
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/).
show all records
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)"
show all records
20
visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
show all records
photoreceptor cell
- URI: http://purl.obolibrary.org/obo/BTO_0001060
- Definition: A specialized cell type in a multicellular organism that is sensitive to light.
show all records

JAMSTEC cc-by-nc-4.0

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: