Related topics: whales

Giant tooth of ancient marine reptile discovered in Alps

The fossils of three ichthyosaurs—giant marine reptiles that patrolled primordial oceans—have been discovered high up in the Swiss Alps, and include the largest ever tooth found for the species, a study said Thursday.

Earth's first-known giant was as big as a sperm whale

The two-meter skull of a newly discovered species of giant ichthyosaur, the earliest known, is shedding new light on the marine reptiles' rapid growth into behemoths of the Dinosaurian oceans, and helping us better understand ...

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Sperm whale family

Physeteroidea Kogiidae

The sperm whale family, or sperm whales, is a common name for the family Physeteridae or superfamily Physeteroidea. The three existing species of whale are the Sperm Whale, in the genus Physeter, and the Pygmy Sperm Whale and Dwarf Sperm Whale, in the genus Kogia. In the past these genera have sometimes been united in the single family, Physeteridae, with the two Kogia species in a subfamily (Kogiinae), however recent practice is to allocate the genus Kogia to its own family, Kogiidae, leaving Physeteridae as a monotypic (single extant species) family, although additional fossil representatives of both families are known (see "Evolution"). The name Sperm Whale comes from sailors of whaling boats who thought that the spermaceti on the whales head was actual sperm from the reproductive system.

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