Lamnidae

The Lamnidae are the family of mackerel sharks known as white sharks. They are large, fast-swimming predatory fish found in oceans worldwide, though they prefer environments with colder water. The name of the family is formed from the Greek word lamna, which means "fish of prey", and was derived from the Greek legendary creature, the Lamia.

Cosmopolitodus is an extinct genus of mackerel shark that lived between thirty and one million years ago during the late Oligocene to the Early Pleistocene epochs. Its type species is Cosmopolitodus hastalis. In 2021, Isurus planus was reassigned to the genus, and thus became the second species C. planus. However, some researchers still consider both species of Cosmopolitodus as species of Carcharodon. A possible third species, C. xiphodon was proposed, though it is now placed as junior synonym of Carcharodon plicatilis.

species of fish (fossil)

Parotodus, commonly known as the false-toothed mako shark (or false mako shark), is an extinct genus of mackerel shark that lived approximately 53 to one million years ago during the Eocene and Pleistocene epochs. Its teeth, which are found worldwide, are often prized by fossil collectors due to their rarity. The scarcity of fossils is because Parotodus likely primarily inhabited open oceans far away from the continents. While the placement of Parotodus with the Lamniformes has been debated, most researchers agree it was probably a member of a now extinct shark clade, either a otodontid or a

Carcharomodus is an extinct genus of lamnid shark. Its only species is Carcharomodus escheri, commonly nicknamed the serrated mako shark or '''Escher's mako shark'. It is an extinct lamnid that lived during the Miocene and that was formerly thought to have been transitional between the broad-toothed "mako" Cosmopolitodus hastalis and the modern great white, but is now considered to be an evolutionary dead-end with the discovery of Carcharodon hubbelli''. Fossil examples have been found along northern Atlantic coastlines and in parts of Western and Central Europe.