Spiralia
Clade of protostomes with spiral cleavage during early development
Spiralia
The Spiralia are a morphologically diverse clade of protostome animals, including within their number the molluscs, annelids, platyhelminths and other taxa. The term Spiralia is applied to those phyla that exhibit canonical spiral cleavage, a pattern of early development found in most members of the Lophotrochozoa.
Read on Wikipedia · Image Derivate work: 148LENIN Authors: Freshwater_Bryozoan234.JPG: TheAlphaWolf Habrotrocha_rosa_1.jpg: Rkitko Beauty_In_a_Spiral.jpg: Kgredi76 Pseudoceros_indicus.jpg: Chaloklum Diving [1], uploaded by Ch…, CC BY-SA 4.0
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