Half-twisted ark

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

Not recorded

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.

1. kingdomAnimalia
2. phylumMollusca
3. classBivalvia
4. orderArcida
5. familyArcidae
6. genusTrisidos
7. SpeciesTrisidos semitorta (Lamarck, 1819)

Synonyms Arca semitort, Arca semitorta

Catalogue of Life

CompareHalf-twisted ark vs Twisted arkHalf-twisted ark vs Japanese propeller arkHalf-twisted ark vs Trisidos kiyomoiHalf-twisted ark vs Trisidos palabuanensis

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@misc{half_twisted_ark_2026,
  title = {Half-twisted ark (Trisidos semitorta)},
  author = {{CreatureData}},
  year = {2026},
  url = {https://creaturedata.com/animals/half-twisted-ark},
  note = {Data as of 2026-11-11}
}