Opinions from G. Bianucci et al. 2007
- 'Africanacetus belongs to Hyperoodontinae'
- 'Africanacetus ceratopsis belongs to Africanacetus'
- 'Aporotus belongs to Ziphiinae'
- 'Archaeoziphius belongs to Berardiinae'
- 'Beneziphius belongs to Ziphiinae'
- 'Berardiina was reranked as the subfamily Berardiinae and belongs to Ziphiidae'
- 'Berardius belongs to Berardiinae'
- 'Caviziphius belongs to Ziphiinae'
- 'Choneziphius belongs to Ziphiinae'
- 'Hyperoodon belongs to Hyperoodontinae'
- 'Hyperoodontinae belongs to Ziphiidae'
- 'Ihlengesi belongs to Hyperoodontinae'
- 'Ihlengesi saldanhae belongs to Ihlengesi'
- 'Indopacetus belongs to Hyperoodontinae'
- 'Izikoziphius belongs to Ziphiinae'
- 'Izikoziphius angustus belongs to Izikoziphius'
- 'Izikoziphius rossi belongs to Izikoziphius'
- 'Khoikhoicetus belongs to Hyperoodontinae'
- 'Khoikhoicetus agulhasis belongs to Khoikhoicetus'
- 'Mesoplodon belongs to Hyperoodontinae'
- 'Mesoplodon slangkopi belongs to Mesoplodon'
- 'Messapicetus belongs to Ziphiinae'
- 'Microberardius belongs to Berardiinae'
- 'Microberardius africanus belongs to Microberardius'
- 'Nenga belongs to Ziphiidae'
- 'Nenga meganasalis belongs to Nenga'
- 'Odontoceti belongs to Cetacea'
- 'Pterocetus belongs to Ziphiidae'
- 'Pterocetus benguelae belongs to Pterocetus'
- 'Tusciziphius belongs to Ziphiinae'
- 'Xhosacetus belongs to Ziphiidae'
- 'Xhosacetus hendeysi belongs to Xhosacetus'
- 'Ziphiidae belongs to Odontoceti'
- 'Ziphiinae belongs to Ziphiidae'
- 'Ziphirostrum belongs to Ziphiinae'
- 'Ziphius belongs to Ziphiinae'