Mammalia - Cetacea - Ziphiidae

Alternative combination: Berardius hectori

Synonym: Mesoplodon knoxi Hector 1873

Belongs to Mesoplodon according to I. Agnarsson and L. J. May-Collado 2008

Sister taxa: Mesoplodon bidens, Mesoplodon bowdoini, Mesoplodon carlhubbsi, Mesoplodon densirostris, Mesoplodon europaeus, Mesoplodon ginkgodens, Mesoplodon grayi, Mesoplodon layardii, Mesoplodon longirostris, Mesoplodon mirus, Mesoplodon perrini, Mesoplodon peruvianus, Mesoplodon slangkopi, Mesoplodon stejnegeri, Mesoplodon traversii, Mesoplodon tumidirostris

Type specimens:

• Mesoplodon hectori: Its type locality is Waitangi Beach, which is in a Holocene coastal horizon in New Zealand
• Mesoplodon knoxi:

Ecology: aquatic piscivore-carnivore

Average measurements (in mm): humerus length 136.0, skull 610.1 x 256.6

Estimated body mass: 871.8 kg based on humerus length