At any stage, you can move up or down the Taxonomic hierachy of Antarctic/subantarctic species by clicking on any name. Lower level taxon counts are shown in [].
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| Kingdom | Animalia | |
| Phylum | Chordata | |
| Class | Mammalia | |
| Order | Cetacea | |
| Family | Ziphiidae | |
| Genus | Mesoplodon |
List of Individual Species - see Taxon profile using the name of the taxa.
| Mesoplodon layardii | (Gray,1865) | Strap-toothed Beaked Whale, Strap-toothed Whale, Layard's Beaked Whale | |
| Mesoplodon sp. | Unknown Beaked whale |