Mactra
Mactra is a genus of medium-sized marine bivalve mollusks or clams, commonly known as trough shells or duck clams. Mactra is the type genus within the family Mactridae.
| Mactra | |
|---|---|
 | |
| Mactra stultorum | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Subclass: | Heterodonta |
| Order: | Venerida |
| Family: | Mactridae |
| Genus: | Mactra Linnaeus, 1767 |
| Species | |
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See text | |
The word "trough" in the common name refers to the fact that all Mactra shells have a large ligamental pit at the hinge line, which in life contains a large internal ligament. Most bivalves in other families have an external ligament instead.
Species
- Mactra acutissima Cosel, 1995
- Mactra angolensis Cosel, 1995
- Mactra chinensis Philippi, 1846
- Mactra discors Gray, 1873
- Mactra glabrata Linnaeus, 1767
- Mactra glauca Born, 1778
- Mactrotoma fragilis Gmelin, 1791
- Mactra inconstans Cosel, 1995
- Mactra isabelleana d'Orbiginny, 1846
- Mactra micronitida Cosel, 1995
- Mactra murchisoni Deshayes, 1854
- Mactra nitida Spengler, 1786
- Mactra ordinaria (E.A.Smith, 1898)
- Mactra ovata (Gray, 1843)
- Mactra rostrata Spengler, 1802
- Mactra sauliana Gray, 1838
- Mactra silicula Reeve, 1854
- Mactra stultorum (Linnaeus, 1758)
- Mactra tristis (Reeve,1854)
- Mactra vitrea Gray,1837
- Mactra veneriformis (シオフキガイ, shiofukigai in Japanese ; 동죽 조개 in Korean)
- Mactra grandis (Gmelin, 1791)
References
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