Nota de aplicación
Class containing around 8,000 species of worms characterized by having a clitellum (collar) that forms a reproductive cocoon during part of their life cycle.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Annelida (phylum)
- ............ Clitellata (class)
- ................ Hirudinea (subclass)
- ............ Echiura (class) [+]
- ............ Oligochaeta (class) [+]
- ............ Polychaeta (class)