| Trachycardium Temporal range: | |
|---|---|
 | |
| Fossil valve of Trachycardium multicostatum from Pliocene of Italy | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Subclass: | Heterodonta |
| Order: | Cardiida |
| Family: | Cardiidae |
| Genus: | Trachycardium Morch, 1853 |
Trachycardium is a genus of molluscs in the family Cardiidae. [1]
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. [2]
Species within this genus include: [3]
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. True cockles live in sandy, sheltered beaches throughout the world. The distinctive rounded shells are bilaterally symmetrical, and are heart-shaped when viewed from the end. Numerous radial, evenly spaced ribs are a feature of the shell in most but not all genera.
Murex is a genus of medium to large sized predatory tropical sea snails. These are carnivorous marine gastropod molluscs in the family Muricidae, commonly called "murexes" or "rock snails".
Barbatia is a genus of "bearded" ark clams, marine bivalve mollusks in the family Arcidae, the ark clams.
Nucula is a genus of very small saltwater clams. They are part of the family Nuculidae.
Anadara is a genus of saltwater bivalves, ark clams, in the family Arcidae. It is also called Scapharca.
Glycymerididae, often misspelled as Glycymeridae, common names dog cockles or bittersweets, is a worldwide family of salt water clams, marine bivalve mollusks in the order Arcida. They are related to the ark clams. This family contains 45 extant species in four genera.
Atrina is a cosmopolitan genus of bivalve molluscs belonging to the family Pinnidae.
Hexaplex is a genus of medium-sized to large sea snails, marine gastropod mollusks in the subfamily muracinae of the family Muricidae, the murex shells or rock snails.
Conus consors, common name the singed cone, is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Muricanthus is a genus of sea snails, marine gastropod mollusks in the family Muricidae, the murex snails or rock snails.
Chicoreus is a genus of medium to large sized predatory sea snails. These are carnivorous marine gastropod molluscs in the family Muricidae, the murexes or rock snails.
Trachycardium egmontianum, the Florida prickly cockle, is a species of bivalve mollusc in the family Cardiidae.
Trachycardium isocardia, the West Indian prickly cockle, is a species of bivalve mollusc in the family Cardiidae. It can be found along coast of the West Indies.
Laevicardium, common name "egg cockles", is a genus of saltwater clams or cockles, marine bivalve molluscs in the family Cardiidae, the cockles. They are unusual among the cockles in that they have smooth, rounded, "egg-like" valves.
Papyridea is a genus of molluscs in the family Cardiidae.
Serripes is a genus of molluscs in the family Cardiidae.
Floraconus is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, family Conidae, the cone snails and their allies.
Glycymeris, common name the bittersweet clams, is a genus of saltwater clams, marine bivalve molluscs in the family Glycymerididae.
Acrosterigma is a genus of large saltwater clams or cockles, marine bivalve mollusc in the family Cardiidae, the cockles.
Cumingia is a genus of marine clams in the family Semelidae. It is also represented in the fossil record.
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