Horseshoe Shrimps

Cephalocarida

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Cephalocarida (Horseshoe Shrimps) is a class of arthropods. There are 12 species of Horseshoe Shrimps, in 5 genera and 1 family. This class has been around since the drumian age. They are detritivores. They rely on drag powered swimming to move around.

URI: http://resource.geosciml.org/classifier/ics/ischart/Drumian
Attribution: International Chronostratigraphic Chart: http://www.stratigraphy.org/index.php/ics-chart-timescale

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URI: http://wikidata.org/entity/Q2750657
Definition: organism that obtains nutrients by consuming detritus

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URI: https://eol.org/schema/terms/drag_based_swimming
Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.

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EOL has data for 22 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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bilaterally symmetric
- URI: http://purl.obolibrary.org/obo/PATO_0001324
- Definition: being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
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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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12
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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low-level epifaunal
- URI: http://eol.org/schema/terms/lowEpifaunal
- Definition: Organism living on the surface of the substratum in the immediate vicinity of the seafloor.
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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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501 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 benthic
- URI: http://purl.obolibrary.org/obo/ENVO_01000024
- Definition: The marine benthic biome (benthic meaning 'bottom') encompasses the seafloor and includes such areas as shores, littoral or intertidal areas, marine coral reefs, and the deep seabed.
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habitat
- URI: http://rs.tdwg.org/dwc/terms/habitat
- Definition: A category or description of the habitat in which the Event occurred.
- Comment: Example: "oak savanna", "pre-cordilleran steppe"
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marine benthic
- URI: http://purl.obolibrary.org/obo/ENVO_01000024
- Definition: The marine benthic biome (benthic meaning 'bottom') encompasses the seafloor and includes such areas as shores, littoral or intertidal areas, marine coral reefs, and the deep seabed.
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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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drag powered swimming
- URI: https://eol.org/schema/terms/drag_based_swimming
- Definition: Drag swimmers use a cyclic motion where they push water back in a power stroke, and return their limb forward in the return or recovery stroke. When they push water directly backwards, this moves their body forward, but as they return their limbs to the starting position, they push water forward, which will thus pull them back to some degree, and so opposes the direction that the body is heading. This opposing force is called drag. The return-stroke drag causes drag swimmers to employ different strategies than lift swimmers. Reducing drag on the return stroke is essential for optimizing efficiency.
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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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1
supporting structures and enclosures
- URI: http://www.marinespecies.org/traits/SupportingStructuresEnclosures
- Definition: Hard framework, internal or external, which supports and protects softer parts of plant, animal or unicellular organism, and to which muscles usually attach in animals, includes skeletons (derived from Lawrence, 2005).
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:SupportingStructuresEnclosures Lawrence, E. (ed.) (2005) Henderson's dictionary of Biology (13th edition). London, United Kingdom: Pearson Education Limited.
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exoskeleton
- URI: http://purl.obolibrary.org/obo/UBERON_0006611
- Definition: Exoskeleton or shell, including those of mollusks, turtles, insects and crustaceans
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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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detritivore
- URI: http://wikidata.org/entity/Q2750657
- Definition: organism that obtains nutrients by consuming detritus
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visual system
- URI: http://purl.obolibrary.org/obo/UBERON_0002104
- Definition: The sensory system subserving the sense of vision.
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blind
- URI: https://www.wikidata.org/entity/Q10874
- Definition: complete or nearly complete lack of vision
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Horseshoe Shrimp Habitats

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

horseshoe shrimps Habitats

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

horseshoe shrimps includes 1 child:

Brachypoda