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Table 1 Summary of the metamorphoses of P. dumerilii.

From: The normal development of Platynereis dumerilii (Nereididae, Annelida)

 

lifestyle before metamorphosis

lifestyle after metamorphosis

morphological changes

Settlement metamorphosis

planktonic

errant

digestive tract becomes functional, ciliary bands start to get abolished, apical tuft is lost

Cephalic metamorphosis

errant

tubicolous

transformation of the first pair of parapodia, formation of tubes, larval eyes and ciliary bands disappear

Sexual metamorphosis

tubicolous

pelagic

maturation of gametes, enlarging adult eyes, development of paddle shaped chaetae and epitokous musculature

  1. Overview of the metamorphoses of P. dumerilii showing the lifestyle before and after metamorphosis, as well the corresponding morphological changes.