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NATURAL HISTORY · CATALOGUE RECORD

Carolina slabshell

Elliptio congaraea (I. Lea, 1831)

Source-backed taxonomic record

Accepted species in Catalogue of Life’s 11 September 2026 base release. This preserves the source classification and available supporting data; it is not a completed species monograph.

Identity & source status

Scientific name
Elliptio congaraea (I. Lea, 1831)
Name authority
(I. Lea, 1831)
Common name
Carolina slabshell
Rank
species
Accepted status
accepted
Kingdom
Animalia
Phylum
Mollusca
Class
Bivalvia
Genus
Elliptio
Extinction status
Not supplied by this source

Source habitat flags: Marine: no · Freshwater: yes · Terrestrial: no. These do not form a complete habitat description.

Classification family tree

Nested taxonomic groups from the source. This is not a direct-ancestor chain, a dated evolutionary tree or a phylogenetic reconstruction.

  1. domainEukaryota (Chatton, 1925) Whittaker & Margulis, 1978
  2. kingdomAnimalia
  3. phylumMollusca
  4. classBivalvia Linnaeus, 1758
  5. subclassAutobranchia Grobben, 1894
  6. infraclassHeteroconchia J. E. Gray, 1854
  7. subterclassPalaeoheterodonta Newell, 1965
  8. subfamilyAmbleminae Rafinesque, 1820
  9. tribePleurobemini Hannibal, 1912
  10. genusElliptio Rafinesque, 1819
  11. speciesElliptio congaraea (I. Lea, 1831)

Close classified relatives

These entries share the source’s genus, Elliptio. They are not necessarily the closest relatives established by molecular evidence.

SpeciesClassificationSource status
Southern lanceElliptio ahenea (I. Lea, 1843)BivalviaMolluscaAccepted speciesExtinction status not supplied
box spikeElliptio cistellaeformis (I. Lea, 1863)BivalviaMolluscaAccepted speciesExtinction status not supplied
Eastern ElliptioElliptio complanata ([Lightfoot], 1786)BivalviaMolluscaAccepted speciesExtinction status not supplied
Satilla elephantearElliptio downiei (I. Lea, 1858)BivalviaMolluscaAccepted speciesExtinction status not supplied
pod lanceElliptio folliculata (I. Lea, 1838)BivalviaMolluscaAccepted speciesExtinction status not supplied
brother spikeElliptio fraterna (I. Lea, 1852)BivalviaMolluscaAccepted speciesExtinction status not supplied
gulf slabshellElliptio fumata (I. Lea, 1857)BivalviaMolluscaAccepted speciesExtinction status not supplied
variable spikeElliptio icterina (Conrad, 1834)BivalviaMolluscaAccepted speciesExtinction status not supplied
Florida spikeElliptio jayensis (I. Lea, 1838)BivalviaMolluscaAccepted speciesExtinction status not supplied
Cape Fear spikeElliptio marsupiobesa Fuller, 1972BivalviaMolluscaAccepted speciesExtinction status not supplied
St. Johns elephantearElliptio monroensis (I. Lea, 1843)BivalviaMolluscaAccepted speciesExtinction status not supplied
hidden spikeElliptio occulta (I. Lea, 1843)BivalviaMolluscaAccepted speciesExtinction status not supplied

Names & synonyms

Names explicitly linked to this accepted taxon in the source. Synonymy can change with revision.

Recorded nameSource status
Elliptio congarea (I. Lea, 1831) (I. Lea, 1831)synonym
Elliptio lecontianus (I. Lea, 1838) (I. Lea, 1838)synonym
Elliptio waccamawensis (I. Lea, 1863) (I. Lea, 1863)synonym
Margaron (Unio) corvus (I. Lea, 1859) (I. Lea, 1859)synonym
Margaron (Unio) fulvus (I. Lea, 1834) (I. Lea, 1834)synonym
Margaron (Unio) gibbesianus (I. Lea, 1852) (I. Lea, 1852)synonym
Margaron (Unio) planilateris (Conrad, 1838) (Conrad, 1838)synonym
Margaron (Unio) pusillus (Barnes, 1840) (Barnes, 1840)synonym
Margaron (Unio) vestitus (I. Lea, 1862) (I. Lea, 1862)synonym
Unio (Elliptio) pusillus Barnes, 1840 Barnes, 1840synonym
Unio (Elliptio) congaraeus I. Lea, 1831 I. Lea, 1831synonym
Unio (Elliptio) dorsatus I. Lea, 1868 I. Lea, 1868synonym
Unio vestitus I. Lea, 1862 I. Lea, 1862synonym
Unio sordidis I. Lea, 1852 I. Lea, 1852synonym
Unio lecontianus I. Lea, 1838 I. Lea, 1838synonym
Unio pusillus I. Lea, 1840 I. Lea, 1840synonym
Unio congaraeus I. Lea, 1831 I. Lea, 1831synonym
Unio congareus I. Lea, 1831 I. Lea, 1831synonym
Margaron (Unio) waccamawensis (I. Lea, 1863) (I. Lea, 1863)synonym
Unio (Elliptio) waccamawensis I. Lea, 1863 I. Lea, 1863synonym
Unio sordidus I. Lea, 1852 I. Lea, 1852synonym
Elliptio dorsatus (I. Lea, 1868) (I. Lea, 1868)synonym
Elliptio forbesianus (I. Lea, 1852) (I. Lea, 1852)synonym
Elliptio pusillus (Barnes, 1840) (Barnes, 1840)synonym
Margarita (Unio) congaraeus (I. Lea, 1831) (I. Lea, 1831)synonym
Margarita (Unio) fulvus (I. Lea, 1834) (I. Lea, 1834)synonym
Margarita (Unio) lecontianus (I. Lea, 1838) (I. Lea, 1838)synonym
Margaron (Unio) congaraeus (I. Lea, 1831) (I. Lea, 1831)synonym
Margaron (Unio) dorsatus (I. Lea, 1868) (I. Lea, 1868)synonym
Margaron (Unio) forbesianus (I. Lea, 1852) (I. Lea, 1852)synonym
Margaron (Unio) lecontianus (I. Lea, 1838) (I. Lea, 1838)synonym
Margaron (Unio) moussonianus (I. Lea, 1852) (I. Lea, 1852)synonym
Margaron (Unio) rufusculus (I. Lea, 1852) (I. Lea, 1852)synonym
Margaron (Unio) sordidus (I. Lea, 1852) (I. Lea, 1852)synonym
Margaron (Unio) buxeus (I. Lea, 1852) (I. Lea, 1852)synonym
Unio buxeus I. Lea, 1852 I. Lea, 1852synonym
Unio (Elliptio) sordidus I. Lea, 1852 I. Lea, 1852synonym
Unio (Elliptio) strumosus I. Lea, 1872 I. Lea, 1872synonym
Unio (Elliptio) lecontianus I. Lea, 1838 I. Lea, 1838synonym
Unio (Elliptio) forbesianus I. Lea, 1852 I. Lea, 1852synonym
Unio moussonianus I. Lea, 1852 I. Lea, 1852synonym
Unio strumosus I. Lea, 1872 I. Lea, 1872synonym
Unio fulvus I. Lea, 1834 I. Lea, 1834synonym
Unio forbesianus I. Lea, 1852 I. Lea, 1852synonym
Unio planilateris Conrad, 1838 Conrad, 1838synonym
Unio rufusculus I. Lea, 1852 I. Lea, 1852synonym
Unio gibbesianus I. Lea, 1852 I. Lea, 1852synonym
Unio corvus I. Lea, 1859 I. Lea, 1859synonym
Unio dorsatus I. Lea, 1868 I. Lea, 1868synonym
Unio waccamawensis I. Lea, 1863 I. Lea, 1863synonym

Source literature & publication evidence

References attached to this source record, including nomenclatural citations where supplied. This is a selected bibliography; abbreviated citations remain in the source’s form.

  1. https://www.molluscabase.org/aphia.php?p=taxdetails&id=857268 Source fields: Taxon.tsv dwc:namePublishedIn, Taxon.tsv dcterms:references

Origins, evidence & remaining research

Name authority and publication references document nomenclature where the source supplies it. They do not establish evolutionary origins or the earliest fossil occurrence.

Specimen-level evidence, morphology, ecological research, phylogenetic studies, a comprehensive bibliography and a located literary passage have not yet been compiled for this record. A suitable sourced image remains to be added.

Dataset citation & attribution

This exact taxon in ChecklistBank · Catalogue of Life 2026-09-11

Catalogue of Life 2026-09-11; dataset 316321; doi:10.48580/dgz5n. https://creativecommons.org/licenses/by/4.0/ . Retrieved 5 October 2026.

Stable key: col:39BJB. Classification follows source parent identifiers. English common names may vary by region.