Figure 5 in Do Morphological Similarities and human-induced dispersal explain the non-native occurrence of Serpulidae (Annelida) in Southwest Atlantic? Taxonomic detailing is the key

Figure 5. Hydroides dianthus. (A) Tube; (B) Operculum detail; (C) Complete body, dorso-lateral view. Scale bars: A and C: 2 mm; B: 500 µm.