Figure 15 from: Capa M, Nygren A, Parapar J, Bakken T, Meißner K, Moreira J (2019) Systematic re-structure and new species of Sphaerodoridae (Annelida) after morphological revision and molecular phylogenetic analyses of the North East Atlantic fauna. ZooKeys 845: 1-97. https://doi.org/10.3897/zookeys.845.32428

Figure 15 Stylized drawings of selected dorsal and ventral segments of species of Sphaerephesia, showing number and arrangement of epithelial tubercles and papillae. Epithelial papillae in Fig. 15E and F may not be accurate and the dorsal and ventral surfaces are covered by a thin layer of sediment.