External sense receptors in microdrile oligochaetes (Annelida, Clitellata) as revealed by scanning electron microscopy: Typology and patterns of distribution in the main taxonomic groups
scanning electron microscopy, microdrile oligochaetes, sense receptors, morphology, Cilia - ultrastructure, Oligochaeta - classification, Microscopy, Electron, Scanning, Animals, Oligochaeta - ultrastructure