Definition of Spiralia. Meaning of Spiralia. Synonyms of Spiralia

- The Spiralia are a morphologically diverse clade of protostome animals, including within their number the molluscs, annelids, platyhelminths and other...
- deuterostome embryos differ in several other ways. Many protostomes (the Spiralia clade) undergo spiral cleavage during cell division instead of radial cleavage...
- a pseudocoelom. The Spiralia are a large group of protostomes that develop by spiral cleavage in the early embryo. The Spiralia's phylogeny has been disputed...
- (/ləˌfɒtroʊkoʊˈzoʊə/, "crest/wheel animals") is a clade of protostome animals within the Spiralia. The taxon was established as a monophyletic group based on molecular evidence...
- gnathiferans are direct developers. Though gnathiferans are included in Spiralia, rotifers and chaetognaths do not exhibit spiral cleavage. Little is known...
- more superphyla among the protostomes, Ecdysozoa (molting animals) and Spiralia. The arrow worms (Chaetognatha) have proven difficult to classify; recent...
- Animals are multicellular eukaryotic organisms in the biological kingdom Animalia. With few exceptions, animals consume organic material, breathe oxygen...
- developmental features are at odds with deuterostomes and are either akin to Spiralia or unique to Chaetognatha. Molecular phylogeny shows that Chaetognatha...
- priapulids), grouped together as Ecdysozoa. While annelids are placed among the Spiralia (making them more closely related to mollusks, flatworms and such), having...
- Clade: Bilateria Clade: Nephrozoa (unranked): Protostomia (unranked): Spiralia Superphylum: Lophotrochozoa Phylum: Mollusca Linnaeus, 1758 classes See...