CreatureData

Atlantic jackknife clam

Ensis directus (Conrad, 1844)

Status not recordedmolluscsExtinct

The Atlantic jackknife clam (Ensis directus) is a species in the family Pharidae, order Adapedonta.

No freely licensed photo yet

Quick facts about the Atlantic jackknife clam

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 Atlantic jackknife clam live?

Not recorded

Is the Atlantic jackknife clam 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 Atlantic jackknife clam classified?

  1. kingdomAnimalia
  2. phylumMollusca
  3. classBivalvia
  4. orderAdapedonta
  5. familyPharidae
  6. genusEnsis
  7. SpeciesEnsis directus (Conrad, 1844)

Synonyms Ensis arcuatus var. directus, Solen directus

Other names and names in other languages (3)
  • Gerade ScheidenmuschelGerman
  • Amerikanische SchwertmuschelGerman
  • Atlantische SchwertmuschelGerman

Catalogue of Life

Relatives of the Atlantic jackknife clam

Other species in the same genus Ensis.

Pod razor

Ensis siliqua

PharidaeNo free photo yet

CompareAtlantic jackknife clam vs Pod razorAtlantic jackknife clam vs Razor shellAtlantic jackknife clam vs Minor jackknifeAtlantic jackknife clam vs Arched razor shell

Common questions

Answered only where our data holds the answer.

What kind of animal is the Atlantic jackknife clam?

The Atlantic jackknife clam (Ensis directus) belongs to the family Pharidae in the order Adapedonta.

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). Atlantic jackknife clam (Ensis directus). Retrieved from https://creaturedata.com/animals/atlantic-jackknife-clam

MLA

“Atlantic jackknife clam (Ensis directus).” CreatureData, 2026, https://creaturedata.com/animals/atlantic-jackknife-clam.

BibTeX
@misc{atlantic_jackknife_clam_2026,
  title = {Atlantic jackknife clam (Ensis directus)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/atlantic-jackknife-clam},
  note = {Data as of 2026-11-11}
}