Nota de aplicación
Ancient family of cartilaginous fish, abundant in the fossil record, with the sharks their closest living relatives; they branched off from sharks 400 million years ago.
Ubicación jerarquía
- faceta agentes
- .. organismo vivo (nombre jerárquico)
- .... organismo vivo (entidad)
- ...... Eucariota (dominio)
- ........ animal (reino)
- .......... Chordata (phylum)
- ............ vertebrado (filo)
- .............. Chondrichthyes (class)
- ................ Chimaeriformes (order)
- .................. Chimaeridae (family)