''Trachycardium'' is a genus of
molluscs in the family
Cardiidae
A cockle is an edible marine bivalve mollusc. Although many small edible bivalves are loosely called cockles, true cockles are species in the family Cardiidae. MolluscaBase eds. (2022). MolluscaBase. Cardiidae Lamarck, 1809. Accessed through: W ...
.
Fossil records
This genus is known in the
fossil record
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
s from the
Cretaceous
The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...
to the
Quaternary (age range: from 109.0 to 0.0 million years ago). Fossils are found in the marine strata throughout the world.
[ Fossilworks]
/ref>
Species
Species within this genus include:WoRMS
/ref>
* '' 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
References
Cardiidae
Bivalve genera
{{Cardiidae-stub