Nota de aplicación
Members of a subclass containing around 650 species of segmented worms characterized by a small sucker, which contains the mouth at the anterior end of the body and a large sucker located at the posterior end, having a flattened body, and being aquatic or living on moist soil. A few species have been used by humans in clinical bloodletting for thousands of years.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Annelida (phylum)
- ............ Clitellata (class)
- .............. Hirudinea (subclass)