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Definition of Arthropoda in English: Arthropodaplural noun ˌɑːθrəˈpəʊdəärˈTHräpədə Zoology A large phylum of invertebrate animals that includes insects, spiders, crustaceans, and their relatives. They have a segmented body, an external skeleton, and jointed limbs, and are sometimes placed in different phyla. 〔动〕节肢动物 Example sentencesExamples - What light do fossils shed on the deep history of life's most diverse phylum, the Arthropoda?
- Tardigrades, close relatives of Onychophora and Arthropoda, possess ornamented armored exoskeletons in high predation marine environments.
- Fifthly, the Trilobita is by far the best-represented arthropod group within Paleozoic rocks, from an important interval in the evolutionary history of the phylum Arthropoda.
- Other ecdysozoan phyla include Nematoda, Tardigrada, and Onychophora; this classification thus removes onychophorans from the Arthropoda and makes them an outgroup.
- The recently published Ecdysozoa hypothesis suggests a closer relationship of the Scalidophora, Nematode, Nematomorpha, Tardigrada, Onychophora, and Arthropoda.
OriginModern Latin (plural), from Greek arthron 'joint' + pous, pod- 'foot'. Definition of Arthropoda in US English: Arthropodaplural nounärˈTHräpədə Zoology A large phylum of invertebrate animals that includes insects, spiders, crustaceans, and their relatives. They have a segmented body, an external skeleton, and jointed limbs, and are sometimes divided among several phyla. 〔动〕节肢动物 Example sentencesExamples - Other ecdysozoan phyla include Nematoda, Tardigrada, and Onychophora; this classification thus removes onychophorans from the Arthropoda and makes them an outgroup.
- What light do fossils shed on the deep history of life's most diverse phylum, the Arthropoda?
- Tardigrades, close relatives of Onychophora and Arthropoda, possess ornamented armored exoskeletons in high predation marine environments.
- Fifthly, the Trilobita is by far the best-represented arthropod group within Paleozoic rocks, from an important interval in the evolutionary history of the phylum Arthropoda.
- The recently published Ecdysozoa hypothesis suggests a closer relationship of the Scalidophora, Nematode, Nematomorpha, Tardigrada, Onychophora, and Arthropoda.
OriginModern Latin (plural), from Greek arthron ‘joint’ + pous, pod- ‘foot’. |