How many species are there in Physeteridae?
3 species
Family Physeteridae (sperm whales)3 species in 2 genera. Some neck vertebrae fused; head disproportionately large, with bulbous, squared snout; mouth narrow and ventral; lower teeth total 40–52 in Physeter, 16–32 in Kogia; upper teeth vestigial, smaller, varying in number. Blowhole a single asymmetrical opening on…
How many species of sperm whales are there?
The three species of sperm whale include the sperm whale, pygmy sperm whale, and dwarf sperm whale. The first belongs to the genus Physeter whereas the last two are of the genus Kogia. These whales inhabit most of the major temperate and tropical ocean waters.
What family does a whale belong to?
cetacean family
Marine mammals in the cetacean family include whales, dolphins, and porpoises.
Is a sperm whale a dolphin?
Taxonomy. The sperm whale belongs to the order Cetartiodactyla, the order containing all cetaceans and even-toed ungulates. It is a member of the unranked clade Cetacea, with all the whales, dolphins, and porpoises, and further classified into Odontoceti, containing all the toothed whales and dolphins.
What genus is the sperm whale in?
PhyseterSperm whale / Genus
What is the scientific name of sperm whale?
Physeter macrocephalusSperm whale / Scientific name
Common Name: Sperm Whale. Scientific Name: Physeter macrocephalus. Type: Mammals. Diet: Carnivore. Group Name: Pod.
What genus is a blue whale?
BalaenopteraBlue whale / Genus
Are whales a genus?
Most people call them by their common name, blue whale, while scientists use the scientific name, Balaenoptera musculus. The scientific name of each species is made up of a genus name (Balaenoptera) and a specific species name (musculus).
What is the scientific name of Physeteroidea?
Physeteroidea. Physeteroidea is a superfamily that, today, includes three extant species of whales: 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 a single family, the Physeteridae, with the two Kogia species in…
How many species are in the genus Physeter?
One extant species of the genus Physeter is placed in the family Physeteridae. Two species of the related extant genus Kogia, the pygmy sperm whale K. breviceps and the dwarf sperm whale K. simus, are sometimes also placed in this family, or else are placed in their own family, the Kogiidae.
How many species of whales are in the Physeteroidea?
Physeteroidea is a superfamily that, today, includes three extant species of whales: the sperm whale, in the genus Physeter, and the pygmy sperm whale and dwarf sperm whale, in the genus Kogia.
What is the difference between Physeteroidea and ziphioidea?
The superfamily Physeteroidea encompasses two families: the Physeteridae which contains the sperm whale, and the Kogiidae which contains the pygmy sperm whale and the dwarf sperm whale. The Ziphioidea encompasses only the family Ziphiidae, which includes at least 21 species of beaked whales (Table 1 ).