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词汇 Decapoda
释义

Definition of Decapoda in English:

Decapoda

plural noun ˌdɛkəˈpəʊdədiˈkapədə
Zoology
  • 1An order of crustaceans which includes shrimps, crabs, and lobsters. They have five pairs of walking legs and are typically marine.

    十足目(甲壳动物)

    Example sentencesExamples
    • Thus, the evolutionary history of the Decapoda, especially the Brachyura, may be more ancient than previously believed.
    • Other aspects of the morphology of Palaeopemphix that separate it from the Decapoda include the bivalved nature of the carapace and the strong development of the lateromarginal carina, or doublure.
    • Potentially recent major gene order rearrangements have been documented within the crustacean order Decapoda, the gastropod superfamily Helicoidea, the parasitic flatworm genus Schistosoma, and the tick family Ixodidae.
    • The Penaeidae fall within the order Decapoda (class Malacostraca), which contains most commercially important crustacean species.
    • An alternate suggestion is that the Cretaceous and the Eocene were each times of rapid evolution within the Decapoda.
  • 2A former order of cephalopod molluscs which includes squids and cuttlefishes, which have eight arms and two long tentacles.

    十腕目(软体动物)。比较OCTOPODA

    Compare with Octopoda

Origin

Modern Latin (plural), from deca- 'ten' + Greek pous, pod- 'foot'.

Definition of Decapoda in US English:

Decapoda

plural noundiˈkapədə
Zoology
  • 1An order of crustaceans which includes shrimps, crabs, and lobsters. They have five pairs of walking legs and are typically marine.

    十足目(甲壳动物)

    Example sentencesExamples
    • Thus, the evolutionary history of the Decapoda, especially the Brachyura, may be more ancient than previously believed.
    • Potentially recent major gene order rearrangements have been documented within the crustacean order Decapoda, the gastropod superfamily Helicoidea, the parasitic flatworm genus Schistosoma, and the tick family Ixodidae.
    • The Penaeidae fall within the order Decapoda (class Malacostraca), which contains most commercially important crustacean species.
    • Other aspects of the morphology of Palaeopemphix that separate it from the Decapoda include the bivalved nature of the carapace and the strong development of the lateromarginal carina, or doublure.
    • An alternate suggestion is that the Cretaceous and the Eocene were each times of rapid evolution within the Decapoda.
  • 2A former order of cephalopod mollusks that includes squids and cuttlefishes, having eight arms and two long tentacles.

    十腕目(软体动物)。比较OCTOPODA

    Compare with Octopoda

Origin

Modern Latin (plural), from deca- ‘ten’ + Greek pous, pod- ‘foot’.

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