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Ziphiidae
(beaked whales), family, whales & dolphins
Nucleotide Protein
Balaena
genus, whales & dolphins
Hippopotamus
genus, even-toed ungulates & whales
Hippopotamidae
family, even-toed ungulates & whales
Megaptera
Balaenoptera
Balaenopteridae
(rorquals), family, whales & dolphins
Eschrichtius
Eschrichtiidae
family, whales & dolphins
Mysticeti
(baleen whales), parvorder, whales & dolphins
Ziphius
Mesoplodon
Whippomorpha
suborder, even-toed ungulates & whales
Physeter
Kogia
Physeteridae
(sperm whales), family, whales & dolphins
Delphinapterus
Monodontidae
Phocoenoides
Phocoenidae
(porpoises), family, whales & dolphins
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