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Spiralia - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

Pentapora fascialis, one of the Spiralia

Nominative neuter plural of Latin spīralis (“spiralling”)

Spiralia

A taxonomic superphylum within the infrakingdom Protostomia – morphologically diverse organisms, many undergoing spiral cleavage in their embryonic development.

(superphylum): Lophotrochozoa

(superphylum): Eukaryota - superkingdom; Animalia - kingdom; Bilateria - subkingdom; Protostomia - infrakingdom

(superphylum): Acanthocephala (thorny-headed worms), Annelida (ringed worms), Brachiopoda, Bryozoa (moss animals), Cycliophora, Entoprocta, Gastrotricha (hairybacks), Gnathostomulida (jaw worms), Micrognathozoa, Mollusca (molluscs), Nemertea (ribbon worms), Phoronida (horseshoe worms), Platyhelminthes (flatworms), Rotifera (wheel animals), Sipuncula (peanut worms) - phyla