''Trachycardium'' is a genus of

mollusc Mollusca is a phylum of protostome, protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant taxon, extant species of molluscs are recognized, making it the second-largest animal phylum ...

s 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 143.1 to 66 mya (unit), million years ago (Mya). It is the third and final period of the Mesozoic Era (geology), Era, as well as the longest. At around 77.1 million years, it is the ...

to the

Quaternary The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS), as well as the current and most recent of the twelve periods of the ...

(age range: from 109.0 to 0.0 million years ago). Fossils are found in the marine strata throughout the world. Fossilworks
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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