CreatureData

Angled riffleshell

Epioblasma biemarginata (I. Lea, 1857)

Status not recordedmolluscs

The angled riffleshell (Epioblasma biemarginata) is a species in the order Unionida.

No freely licensed photo yet

Quick facts about the angled riffleshell

Weight
Not recorded
Length
Not recorded
Lifespan
Not recorded
Main food
Not recorded
Habitat
Not recorded
Young per litter or clutch
Not recorded
Conservation status
Not recorded
Countries on record
Not recorded

Where does the angled riffleshell live?

Not recorded

Is the angled riffleshell endangered?

No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.

How is the angled riffleshell classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classBivalvia
  4. orderUnionida
  5. genusEpioblasma
  6. SpeciesEpioblasma biemarginata (I. Lea, 1857)

Synonyms Dysnomia biemarginata, Margaron biemarginatus, Plagiola biemarginata, Truncilla biemarginata, Unio biemarginatus

Catalogue of Life

Relatives of the angled riffleshell

Other species in the same genus Epioblasma.

Sugarspoon

Epioblasma arcaeformis

UnionidaNo free photo yet

Leafshell

Epioblasma flexuosa

UnionidaNo free photo yet

CompareAngled riffleshell vs Oyster musselAngled riffleshell vs Cumberlandian combshellAngled riffleshell vs SugarspoonAngled riffleshell vs Sampson's Naiad

Sources and how to cite this page

Data as of 2026-11-11. How this page is put together.

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APA

CreatureData. (2026). Angled riffleshell (Epioblasma biemarginata). Retrieved from https://creaturedata.com/animals/angled-riffleshell

MLA

“Angled riffleshell (Epioblasma biemarginata).” CreatureData, 2026, https://creaturedata.com/animals/angled-riffleshell.

BibTeX
@misc{angled_riffleshell_2026,
  title = {Angled riffleshell (Epioblasma biemarginata)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/angled-riffleshell},
  note = {Data as of 2026-11-11}
}