Mactra
Mactra is a large 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.[1]
| Mactra Temporal range: | |
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| Mactra stultorum | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Bivalvia |
| Order: | Venerida |
| Superfamily: | Mactroidea |
| Family: | Mactridae |
| Genus: | Mactra Linnaeus, 1767 |
| Species | |
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See text | |
| Synonyms | |
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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 chinensis Philippi, 1846
- Mactra glabrata Linnaeus, 1767
- Mactra glauca Born, 1778
- Mactra grandis (Gmelin, 1791)
- Mactra guidoi Signorelli & F. Scarabino, 2010
- Mactra isabelleana d'Orbiginny, 1846
- Mactra lilacea Lamarck, 1818
- Mactra quadrangularis Reeve, 1854
- Mactra sauliana Gray, 1838
- Mactra stultorum (Linnaeus, 1758)
- Mactra veneriformis (シオフキガイ, shiofukigai in Japanese; 동죽 조개 in Korean)
- Species brought into synonymy
- Mactra acutissima Cosel, 1995: synonym of Scissodesma acutissima (Cosel, 1995)
- Mactra angolensis Cosel, 1995: synonym of Scissodesma angolensis (Cosel, 1995)
- Mactra discors Gray, 1873: synonym of Spisula discors (Gray, 1837)
- Mactra inconstans Cosel, 1995: synonym of Huberimactra inconstans (Cosel, 1995)
- Mactra micronitida Cosel, 1995: synonym of Scissodesma micronitida (Cosel, 1995)
- Mactra murchisoni Deshayes, 1854 : synonym of Spisula murchisoni (Reeve, 1854)
- Mactra nitida Spengler, 1786: synonym of Scissodesma nitida (Gmelin, 1791)
- Mactra ordinaria (E.A.Smith, 1898) : synonym of Maorimactra ordinaria (E. A. Smith, 1898)
- Mactra ovata Wood 1828 : synonym of Paphies australis (Gmelin, 1791)
- Mactra rostrata Spengler, 1802: synonym of Barymactra rostrata (Spengler, 1802)
- Mactra silicula Reeve, 1854: synonym of Mactrotoma compressa (Spengler, 1802)
- Mactra tristis (Reeve, 1854): synonym of Cyclomactra tristis (Reeve, 1854)
- Mactra vitrea Gray, 1837: synonym of Huberimactra grayi (M. Huber, 2015)
References
- MolluscaBase eds. (2021). MolluscaBase. Mactra Linnaeus, 1767. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=138158 on 2021-06-03
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