The Mytilidae are a family of small to large marine and brackish-water bivalve molluscs in the order Mytilida. One of the genera, Limnoperna, even inhabits freshwater environments.

The mussels of the family Mytilidae are bivalves that have shells covered with a noncalcareous outer layer and attachments called byssi. They occur in large beds. The important genera are Mytilus of Europe and Aulacomya of South America.

Apr 11, 2025 · Mussel, any of numerous bivalve mollusks belonging to the marine family Mytilidae and to the freshwater family Unionidae. Worldwide in distribution, they are most common in cool seas.

Mytilida is an order of marine bivalve molluscs, commonly known as true mussels. [1] There is one extant superfamily, the Mytiloidea, with a single extant family, the Mytilidae.

A report on the family Mytilidae. Allan Hancock Pacific Expeditions. 20 (1): 1-154 pls 1-20., available online at https://www.biodiversitylibrary.org/page/27912345 [details] Available for editors [request]

Mar 11, 2020 · The present study investigates mantle margin diversity and ecological transitions in the Mytilidae to identify macroevolutionary patterns and test for convergent evolution. A fossil-calibrated phylogenetic hypothesis of Mytilidae is inferred …

May 25, 2019 · At least three distinct species have been identified, all of which, may be found in the Pacific Northwest - Mytilus trossulus, M. edulis and M. galloprovincialis. These smooth-shelled Blue Mussel. species have been spread around the world, in part, the result of over 500 years of shipping activity. They have also been introduced.

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Common name: True mussels. Key morphological features: The Mytilidae range in size up to ~100mm. The shells are equivalve, inflated, and range in outline shape from subcircular to narrow and elongated, with the hinge generally positioned far to the anterior side of the shell.

Learn about the unique features, habitat, diet, and significance of Mytilidae, the family of bivalve molluscs that includes mussels and clams.