Common Atlantic Abra

Abra aequalis (Say 1822)

2012 Marlo F. Krisberg cc-by-nc

Abra aequalis (Common Atlantic Abra) is a species of bivalves in the family Semelidae. They are surficial modifiers. Individuals can grow to 12.5 mm. They have sexual reproduction. They are facultatively mobile animals.

URI: https://eol.org/schema/terms/surficialModifier
Definition: bioturbating fauna with activities restricted to the sediment layer immediately below the sediment surface
Attribution: S. Lindqvist, Engelbrektsson, Eriksson, Hulth. 2016. Functional classification of bioturbating macrofauna in marine sediments using time-resolved imaging of particle displacement and multivariate analysis. Biogeosciences Discuss, 13 Oct. 2016. doi:10.5194/bg-2016-411.

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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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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 36 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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body length
- URI: http://purl.obolibrary.org/obo/CMO_0000013
- Definition: A measurement of the longest dimension of a body, typically between two distinct ends of the body.
- Attribution: [database_cross_reference: Dorland:Dorlands_Illustrated_Medical_Dictionary--31st_Ed] [database_cross_reference: ISBN:978-1416049982]
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11 mm
body volume
- URI: http://eol.org/schema/terms/BodyVolume
- Definition: Volume occupied by the whole body of one individual of this taxon
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0.164 cm^3
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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infaunal
- URI: http://www.marinespecies.org/traits/Infaunal
- Definition: Benthic animals which live within the seabed.
- Attribution: http://www.marinespecies.org/traits/wiki/Traits:Infaunal
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ecosystem engineering
- URI: http://polytraits.lifewatchgreece.eu/terms/RW
- Definition: directly or indirectly modulating the availability of resources to other species, by causing physical state changes in biotic or abiotic materials; modifying, maintaining and/or creating habitats
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surficial modifier
- URI: https://eol.org/schema/terms/surficialModifier
- Definition: bioturbating fauna with activities restricted to the sediment layer immediately below the sediment surface
- Attribution: S. Lindqvist, Engelbrektsson, Eriksson, Hulth. 2016. Functional classification of bioturbating macrofauna in marine sediments using time-resolved imaging of particle displacement and multivariate analysis. Biogeosciences Discuss, 13 Oct. 2016. doi:10.5194/bg-2016-411.
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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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5.333 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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Belize
- URI: http://www.geonames.org/3582678
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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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72
shell height, bivalve
- URI: http://eol.org/schema/terms/ShellHeightBivalve
- Definition: Height (shorter dimension in the plane of the valve) of the shell of a Bivalve
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11.3 mm
shell length, bivalve
- URI: http://eol.org/schema/terms/ShellLengthBivalve
- Definition: Length (longest dimension) of the shell of a Bivalve.
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12.5 mm
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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deposit feeder
- URI: http://eol.org/schema/terms/depositFeeder
- Definition: an organism that eats particulate organic material in or on sediments.
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wet body mass
- URI: http://eol.org/schema/terms/bodyMassWet
- Definition: Mass of one individual of this taxon, living or fresh, without desiccation
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0.287 g

Known occurrences, collected specimens and observations of common Atlantic abra. View this species on GBIF

2012 Marlo F. Krisberg cc-by-nc