| Genus | Spisula (trough shells) |
| Family | MACTRIDAE (a family of molluscs) |
| Superfamily | MACTROIDEA (a superfamily of molluscs) |
| Order | VENEROIDA (veneroids) |
| Infraclass | Euheterodonta (an infraclass of molluscs) |
| Subclass | HETERODONTA (a subclass of bivalve molluscs) |
| Class | BIVALVIA (bivalves) |
| Phylum | MOLLUSCA (slugs, snails, bivalves, octopus, sea slugs) |
| Superphylum | LOPHOTROCHOZOA (molluscs and relatives) |
| Clade | Bilateria (bilaterally symmetrical animals) |
| Subkingdom | EUMETAZOA (metazoans) |
| Kingdom | ANIMALIA (animals) |
| Domain | Eukaryota (eukaryotes) |
| Life | BIOTA (living things) |
NBN (data.nbn.org.uk)
has a distribution map for Spisula (trough shells)
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| Handling & Magnification | Author | Year | Title | Source |
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Spisula (trough shells) may also be included in identification literature listed under the following higher taxa:
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