Figure 6
From: The normal development of Platynereis dumerilii (Nereididae, Annelida)
Schemes of developmental stages of P. dumerilii : Sexual metamorphosis: male and female/heteronereis. Top: The scheme indicates the key characteristics of the mature male and female heteronereis. Bottom: A brief summary of the key features for this stage is given. Bold: The name of the stage and in brackets the beginning and end of the stage is given. Italic: The key characteristics, which can be used to determine the beginning of each stage. Normal: Additional features of each stage are given. Schemes are shown as dorsal view, anterior left (schemes are modified from: [37]). Abbreviations see abbreviations list.