order Mysidacea
- noun
- Archaic
- The order Mysidacea is distinguished by the presence of a brood pouch in females.
Examples
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The order Mysidacea includes various species of opossum shrimps.
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Students examined specimens from the order Mysidacea under the microscope during their zoology class.
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Marine biologists discovered a new species belonging to the order Mysidacea in the deep sea trench.
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Many marine biologists study the order Mysidacea for its ecological importance.
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Marine biologists discovered a new species belonging to the order Mysidacea in the deep sea trench.
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Students examined specimens from the order Mysidacea under the microscope during their zoology class.
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Many marine biologists study the order Mysidacea for its ecological importance.
Synonyms
Small shrimp-like animals that live in fresh water or the sea
Surface Forms
Morphology
The phrase is a straightforward compositional taxonomic label: 'order' (a rank in biological classification) combined with the taxon name 'Mysidacea' yields the group of crustaceans in that order. This follows a regular, cross-linguistic scientific naming pattern, so a learner who knows both constituents can infer the meaning.
Etymology
Order Mysidacea comes from Greek words meaning 'shrimp-like', so Mysidacea literally points to small, shrimp-like animals. That's why the name means a 'group' of tiny, shrimp-like creatures often called 'opossum shrimps', because the females carry their young in a pouch, a clear image to remember the group.