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iNat·856461SpeciesMollusca0 field observations
  1. Animals
  2. ›Molluscs
  3. ›Bivalves
  4. ›Autobranchia
  5. ›Heteroconchia
  6. ›Euheterodonta
  7. ›Imparidentia
  8. ›True Cockles, Tellins, and Allies
  9. ›Cardioidea
  10. ›true cockles
  11. ›Lymnocardiinae
  12. ›Adacnini
  13. ›Didacna
Didacna protracta
Plate 1 of 4. Nicolai Ivanovich Andrusov, no known copyright restrictions (public domain) · via iNaturalist

Didacna protracta

Didacna protracta is a brackish-water cockle, a bivalve mollusc of the family Cardiidae. It has a whitish rounded-trapezoidal shell, up to 42 mm (1.7 in) in length, with a small umbo and flattened ribs. The species is endemic to the Caspian Sea. It lives in the middle and southern parts of the sea at depths between 25 and 85 m (82–279 ft), rarely deeper.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Didacna protracta in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 856461.