Ecdysozoa

A tardigrade (water bear) and a nematode (roundworm)

Ecdysozoa /ˌɛkdɪsoʊˈzoʊə/ is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), nematoda, and several smaller phyla. They were first defined by Aguinaldo et al. in 1997, based mainly on phylogenetic trees constructed using 18S ribosomal RNA genes. A large study in 2008 by Dunn et al. strongly supported the Ecdysozoa as a clade, that is, a group consisting of a common ancestor and all its descendants.

单词	Ecdysozoan
释义	Ecdysozoan 英语百科 Ecdysozoa Ecdysozoa /ˌɛkdɪsoʊˈzoʊə/ is a group of protostome animals, including Arthropoda (insects, chelicerata, crustaceans, and myriapods), nematoda, and several smaller phyla. They were first defined by Aguinaldo et al. in 1997, based mainly on phylogenetic trees constructed using 18S ribosomal RNA genes. A large study in 2008 by Dunn et al. strongly supported the Ecdysozoa as a clade, that is, a group consisting of a common ancestor and all its descendants.
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Ecdysozoan

Ecdysozoa