Trachycardium is a genus of molluscs in the family Cardiidae.

Fossil records

This genus is known in the fossil records from the Cretaceous to the Quaternary (age range: from 109.0 to 0.0 million years ago). Fossils are found in the marine strata throughout the world.

Species

Species within this genus include:

  • Trachycardium belcheri (Broderip & G. B. Sowerby I, 1829)
  • Trachycardium consors (G. B. Sowerby, 1833)
  • Trachycardium egmontianum (Shuttleworth, 1856) — Florida prickly cockle
  • Trachycardium isocardia — West Indian prickly cockle
  • Trachycardium muricatum (Linnaeus, 1758) — yellow cockle
  • Trachycardium procerum (G. B. Sowerby, 1833) — Slender cockle
  • Trachycardium rossi Marwick, 1944