Nota de aplicación
Members of an order containing marine invertebrates that are bell-shaped with gonads on the stomach or sides of manubrium, sensory structures consisting of pigmented eyespots (ocelli), a skeleton, if present, that lacks a cup (hydrotheca) into which the polyp may withdraw. A few species have a calcareous exoskeleton. They are most abundant in bays and shallow coastal waters.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Cnidaria (phylum)
- ............ Hidrozoo (clase)
- .............. antomedusa (orden)
- .................. Hydridae (familia) [+]