Spiralia

E393481

Spiralia is a major clade of protostome animals that includes diverse invertebrate groups such as mollusks, annelids, and flatworms, characterized by spiral cleavage during early embryonic development.

All labels observed (1)

Label Occurrences
Spiralia canonical 3

How this entity was disambiguated

Statements (52)

Predicate Object
instanceOf animal clade ⓘ
clade ⓘ
protostome clade ⓘ
alsoKnownAs spiralians ⓘ
belongsTo Protostomia ⓘ
bodySymmetry bilateral symmetry ⓘ
cellFateDetermination mosaic development in many taxa ⓘ
characterizedBy determinate cleavage ⓘ
spiral cleavage ⓘ
cleavageOrientation oblique to animal–vegetal axis ⓘ
cleavagePattern quartet spiral cleavage ⓘ
contrastedWith Deuterostomia ⓘ
Ecdysozoa ⓘ
developmentalMode protostomy ⓘ
embryonicDevelopmentType spiral cleavage pattern ⓘ
germLayerNumber triploblastic ⓘ
habitatDiversity freshwater environments ⓘ
marine environments ⓘ
terrestrial environments ⓘ
hasCommonAncestorWith other bilaterian animals ⓘ
hasSubdivision Lophotrochozoa ⓘ
Platyzoa ⓘ
identifiedBy molecular phylogenetics ⓘ
includes Acanthocephala ⓘ
Annelida ⓘ
Brachiopoda ⓘ
Bryozoa ⓘ
Cycliophora ⓘ
Echiura ⓘ
Entoprocta ⓘ
Gastrotricha ⓘ
Gnathostomulida ⓘ
Micrognathozoa ⓘ
Mollusca ⓘ
Nematomorpha ⓘ
Nemertea ⓘ
Phoronida ⓘ
Platyhelminthes ⓘ
Rotifera ⓘ
Sipuncula ⓘ
various invertebrate phyla ⓘ
includesOrganisms acoelomate animals ⓘ
coelomate animals ⓘ
pseudocoelomate animals ⓘ
isPartOf Metazoa ⓘ
kingdom Animalia ⓘ
recognizedSince late 20th century ⓘ
reproductionMode mostly sexual reproduction ⓘ
subdivisionOf Bilateria ⓘ
Eumetazoa ⓘ
taxonRank clade ⓘ
typicalLarvalForm trochophore larva in many groups ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lophotrochozoa → partOf → Spiralia ⓘ
Nemertea → clade → Spiralia ⓘ
Gastrotricha → superphylum → Spiralia ⓘ