Parietobalaena
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Parietobalaena is an extinct genus of baleen whale, belonging to the family Pelocetidae. Fossils are found in Miocene-aged marine strata in North America, Europe, Australia, and Japan, including the T
Parietobalaena palmeri
Mandible with tooth marks from megalodon
Life restoration of Parietobalaena yamaokai and calf
Aetiocetus BW
Megalodon
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Otodus megalodon, commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.58 million years ago, from the Early Miocene to the Early Pliocene epochs.
Parietobalaena
…of juvenile specimens, Tsai (2017) suggested a body size of 12-15 m for P. yamaokai, akin to that of the gray whale. Mandible with tooth marks from megalodon Life restoration of Parietobalaena yamaokai and calf References Sources…
Megalodon jaw, Tellus Science Museum
Holotype tooth (Fig. 2–3) in Agassiz (1835), cataloged as TE-PLI 18
Megalodon tooth with two great white shark teeth
The great white shark (Carcharodon carcharias) and megalodon were previously thought to be close relatives.