Nota de aplicación
Marine cephalopods possessing a many-chambered external shell with simple septa; represented by a small number of extant species, but over 2,500 species flourished in the early Paleozoic era.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Mollusca (phylum)
- ............ Cephalopoda (class)
- .............. Nautiloidea (subclass)
- ................ Nautilida (order)