Oval Pigtoe

Pleurobema pyriforme (I. Lea 1857)

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Pleurobema pyriforme (Oval Pigtoe) is a species of mussels in the family unionid freshwater mussels. They are listed as endangered by IUCN. They are associated with freshwater habitat. Individuals can grow to 37 mm.

URI: http://eol.org/schema/terms/endangered
Definition: A taxon is Endangered when the best available evidence indicates that it meets any of the \r\ncriteria A to E for Endangered, and it is therefore considered to be facing a very high risk of extinction in the wild.
Source: http://www.iucnredlist.org/apps/redlist/details/17690

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URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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EOL has data for 9 attributes, including:

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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37 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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4.89 cm^3
conservation status
- URI: http://rs.tdwg.org/ontology/voc/SPMInfoItems#ConservationStatus
- Definition: degree of conservation concern as assessed by a government agency or other recognized authority such as IUCN or CITES
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endangered
- URI: http://eol.org/schema/terms/federalEndangered
- Definition: The organism has federal Endangered status in the United States of America.
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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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United States
- URI: http://www.geonames.org/6252001
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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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freshwater habitat
- URI: http://purl.obolibrary.org/obo/ENVO_00002037
- Definition: A habitat that is in or on a body of water containing low concentrations of dissolved salts and other total dissolved solids (<0.5 grams dissolved salts per litre).
- Comment: Ontology Description: http://environmentontology.org/ Ontology Source: http://envo.googlecode.com/svn/trunk/src/envo/envo.owl
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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headwater
- URI: http://purl.obolibrary.org/obo/ENVO_00000153
- Definition: The upper part of a river system, denoting the upper basin and source streams of a river.
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population trend
- URI: http://eol.org/schema/terms/population_trend
- Definition: i.e., increasing, decreasing, stable, or unknown
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Decreasing
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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8.55 g

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

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