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Ecdysozoa (/ ˌ ɛ k d ɪ s oʊ ˈ z oʊ ə /) is a group of protostome animals, including Arthropoda (insects, chelicerata (including arachnids), crustaceans, and myriapods), Nematoda, and several smaller phyla. The grouping of these animal phyla into a single clade was first proposed by Eernisse et al.
Ecdysozoa - Wikipedia. Gli Ecdysozoa Aguinaldo et al., 1997 sono uno dei due maggiori cladi degli animali protostomi (con i Lophotrochozoa ). Il clade è supportato e basato su dati molecolari; evidenze molecolari, infatti, risultano dagli studi dell'evoluzione di geni 18S di RNA ribosomale ( rRNA ).
The Ecdysozoa is the second major clade within the Bilateria (Figures 1 and 6), and it includes a subset of the animal phyla generally considered part of the Protostomia. The key synapomorphy uniting the ecdysozoans is the possession of a cuticle that is periodically molted (a process named ecdysis).
24 ago 2017 · Ecdysozoa, as understood nowadays (see different configurations in Fig. 1), includes the members of three putative subclades, Nematoida (composed of Nematoda and Nematomorpha), Scalidophora (Priapulida, Loricifera, and Kinorhyncha) and Panarthropoda, the latter being ecdysozoans with paired ventrolateral segmental appendages, i.e ...
- Gonzalo Giribet, Gregory Donald Edgecombe
- 2017
4 apr 2008 · Ecdysozoa contains the vast majority of animal species and there is a great diversity of body plans among both living and fossil members. The monophyly of the clade has been called into question by some workers based on analyses of whole genome datasets.
- Maximilian J Telford, Sarah J Bourlat, Andrew Economou, Daniel Papillon, Omar Rota-Stabelli
- 10.1098/rstb.2007.2243
- 2008
- 2008/04/04
10 mar 2022 · Ecdysozoans (Phyla Arthropoda, Kinorhyncha, Loricifera, Nematoda, Nematomorpha, Onychophora, Priapulida, Tardigrada) are invertebrates bearing a tough, periodically moulted cuticle that predisposes them to exceptional preservation.
The Ecdysozoa is one of the two large subdivisions within the Protostomia, a group in which the mouth develops from the first opening to develop in the embryo. In turn, the Protostomia belongs to a larger group within the Animalia called the Bilateria, because these animals are bilaterally symmetrical, with a left and a right side to their bodies.
