Decapods

Decapoda

Chris Moody cc-by-nc-2.0

Decapoda (Decapods) is an order of typical crustaceans. There are 14264 species of Decapods, in 2641 genera and 232 families. This order has been around since the kungurian age. It includes groups like Amphionididae, Platykottidae, and Tricarinidae. They rely on drag powered swimming to move around.

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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 31 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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planktonic
- URI: http://www.marinespecies.org/traits/Plankton
- Definition: Living in the fluid medium (water or air) but unable to maintain their position or distribution independently of the movement of the water/air mass (adapted from Lincoln et al., 1998).
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:Plankton
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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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279.3 million years ago
geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Mozambique
- URI: https://www.geonames.org/1036973
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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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walking
- URI: http://purl.obolibrary.org/obo/NBO_0000056
- Definition: locomoting on limbs with body off the ground such that at least one limb is always touching the ground
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mineralized skeleton contains
- URI: https://eol.org/schema/terms/mineralizedSkeletonContains
- Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)
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calcium carbonate
- URI: http://purl.obolibrary.org/obo/CHEBI_3311
- Definition: A carbonate salt that has formula CO3Ca
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motility
- URI: http://www.wikidata.org/entity/Q33596
- Definition: ability to move spontaneously and actively, consuming energy in the process
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actively mobile
- URI: http://eol.org/schema/terms/activelyMobile
- Definition: uses self-propelled locomotion to change location on a regular basis
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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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6798
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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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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Museu Nacional/UFRJ
- URI: https://www.gbif.org/grscicoll/institution/74500a12-385d-46ed-b987-00005cdba42d
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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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reflecting superposition eyes
- URI: https://eol.org/schema/terms/reflecting_superposition_eyes
- Definition: superposition compound eyes where each ommatidium is equipped with a set of plane mirrors, aligned at right angles, forming a square. Rays entering the eye at an oblique angle encounter two surfaces of each mirror box rather than one surface. In this case, the pair of mirrors at right angles acts as a corner reflector. Corner reflectors reflect an incoming ray through 180 degrees, irrespective of the ray’s original direction. This ensures that all parallel rays reach the same focal point and means that the eye as a whole has no single axis, which allows the eye to operate over a wide angle.
- Attribution: https://www.britannica.com/science/photoreception/Superposition-eyes#ref278829
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water depth
- URI: http://rs.tdwg.org/dwc/terms/verbatimDepth
- Definition: The depth of seawater at a location where this organism has been observed or collected.
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800 m

Known occurrences, collected specimens and observations of decapods. View this species on GBIF

Chris Moody cc-by-nc-2.0

Decapod Habitats

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

decapods Habitats

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

Decapods

Decapoda

Decapod Habitats

decapods Habitats

decapods includes 90 children: