Stejneger's beaked whale (Mesoplodon stejnegeri)
 ginkgo-toothed beaked whale (Mesoplodon ginkgodens)
 Blainville's beaked whale (Mesoplodon densirostris);  dense-beaked whale
 strap-toothed whale (Mesoplodon layardii);  Layard's beaked whale
 Stejneger's beaked whale (Mesoplodon stejnegeri)