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Mysticeti Line breaks: Mys¦ti|ceti
Pronunciation: /ˌmɪstɪˈsiːti/

Definition of Mysticeti in English:

plural noun

A division of the whales that comprises the baleen whales.
  • Suborder Mysticeti, order Cetacea
Example sentences
  • Modern whales may be divided into two subgroups: the Odontoceti (toothed whales) and the Mysticeti (baleen whales).
  • The extant sub-orders are the Mysticeti (baleen whales) and the Odontoceti (toothed whales).
  • Estimates for Tragulidae, Odontoceti, and Mysticeti are generally younger and close together in time, followed by a still more recent divergence of cervids, bovids, antilocaprids and giraffids.


noun& adjective
Example sentences
  • Both the mysticetes and odontocetes are thought to be descendants of the archaeocetes.
  • This anatomic geometry supports the idea of acoustic frequency filtering and channeling functions in odontocetes and low frequency hearing in mysticetes.
  • Interestingly, the late Oligocene whale Aetiocetus, from Oregon, has skull and jaw features typical of baleen whales, and is considered to be the earliest mysticete - yet it also bore a full set of teeth.


Modern Latin (plural), from Greek mustikētos representing (in old editions of Aristotle) the phrase ho mus to kētos 'the mouse, the whale so called'.

Definition of Mysticeti in:
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