dubius to Plesiocetus. The taxonomy of Plesiocetus by now was confused. Plesiocetus garopii was referred to Balaenoptera (making Plesiocetus a synonym...

†Miobalaenoptera †Nehalaennia †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus In 2012, the following alternate taxonomy...

Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus...

Amphicetus rotundus van Beneden 1880 Cetotherium moreni Lydekker 1894 Idiocetus longifrons Mesocetus latifrons Plesiocetus longifrons Plesiocetus latifrons...

†Megapteropsis (nomen dubium) †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus incertae sedis Amphiptera (existence unconfirmed)...

Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus...

Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus...

Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus...

Megaptera †Megapteropsis? †Miobalaenoptera †Nehalaennia †Notiocetus †Parabalaenoptera †Plesiobalaenoptera †Plesiocetus †Praemegaptera †Protororqualus...

Parapontoporia pacifica Piscolithax boreios Piscolithax tedfordi aff. Plesiocetus sp. Praekogia cedrosensis Thalassoleon mexicanus Cerorhinca minor Mancalla...