Eschrichtioides is an extinct genus of baleen whale known from the early Pliocene of Northern Italy. Its type species, E. gastaldii, had a complex taxonomic history, starting as a cetothere, then as a
Mandible, skull, and postcranial elements of Eschrichtioides gastaldii from Portis 1885
Cetotherium is an extinct genus of baleen whales from the family Cetotheriidae. It was a relatively small whale with an estimated total length of 3–4 metres.