Ecdysozoa
E93301
Ecdysozoa is a major animal clade of molting invertebrates that includes arthropods, nematodes, and several related phyla.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Onychophora | 1 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
animal clade
ⓘ
protostome clade ⓘ superphylum ⓘ |
| belongsTo | Bilateria ⓘ |
| bodySymmetry | bilateral symmetry ⓘ |
| characterizedBy |
growth by ecdysis
ⓘ
molting of cuticle ⓘ presence of a three-layered cuticle ⓘ |
| contains |
Arthropoda
ⓘ
Kinorhyncha ⓘ Loricifera ⓘ Nematoda ⓘ Nematomorpha ⓘ Ecdysozoa self-linksurface differs ⓘ
surface form:
Onychophora
Priapulida ⓘ Tardigrada ⓘ |
| contrastsWith | Lophotrochozoa in larval and morphological traits ⓘ |
| cuticleFunction | protection and support ⓘ |
| developmentType | protostome development ⓘ |
| domain | Eukaryota ⓘ |
| embryologicalFeature | spiral cleavage often reduced or modified ⓘ |
| etymology | derived from Greek ecdysis meaning molting ⓘ |
| growthMode | stepwise growth via periodic molting ⓘ |
| habitatRange | global distribution in diverse habitats ⓘ |
| hasEcologicalRole | includes major terrestrial, freshwater, and marine invertebrates ⓘ |
| hasFeature |
absence of trochophore larvae
ⓘ
cuticle composed mainly of chitin or collagen ⓘ lack of locomotory cilia ⓘ |
| hasMemberCount | more than 1 million described species ⓘ |
| hasProcess | ecdysis ⓘ |
| includesCommonNameGroup |
arthropods
ⓘ
roundworms ⓘ tardigrades ⓘ velvet worms ⓘ |
| includesModelOrganism |
Caenorhabditis elegans
ⓘ
Drosophila melanogaster ⓘ |
| kingdom | Animalia ⓘ |
| proposalYear | 1997 ⓘ |
| proposedBy | Aguinaldo et al. ⓘ |
| recognizedIn | modern animal phylogenetic classifications ⓘ |
| reproduction | primarily sexual reproduction ⓘ |
| sisterGroupOf | Lophotrochozoa ⓘ |
| subdivisionOf | Protostomia ⓘ |
| supportedBy |
18S rRNA gene analyses
ⓘ
molecular phylogenetic evidence ⓘ |
| taxonRank |
clade
ⓘ
superphylum ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.