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See all on WikipediaPhyseteroidea - Wikipedia
Physeteroidea is a superfamily that 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 … See more
The sperm whale (Physeter macrocephalus) is the largest species of toothed whale, with adult bulls (males) growing to be about 15–18 m (49–59 ft) long, and weighing about 45–70 metric tons (44–69 long … See more
They are members of the Odontoceti, the suborder containing all the toothed whales and dolphins. Suggestions that the sperm whales might be a sister group to the baleen whales … See more
Wikipedia text under CC-BY-SA license ADW: Physeteridae: INFORMATION
WebThe mandibular symphysis is more than 33% the length of the rami. The number of teeth ranges from 1/8 to 0/16 in Kogia and 0/25 in Physeter. Physeter dives to amazing depths (over 1000 m) in pursuit of its primary …
Physeteridae - an overview | ScienceDirect Topics
WebThe superfamily Physeteroidea encompasses two families: the Physeteridae which contains the sperm whale, and the Kogiidae which contains the pygmy sperm whale and the dwarf …
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Insights into the role of deep-sea squids of the genus ... - Nature
WebMar 30, 2021 · This finding suggests the umbrella squid as a transport host in transmitting A. physeteris to Physeteridae in the Mediterranean Sea.
Physeteridae | whale family | Britannica
WebFamily Physeteridae (sperm whales)3 species in 2 genera. Some neck vertebrae fused; head disproportionately large, with bulbous, squared snout; mouth narrow and ventral; …
Cetartiodactyla: Updating a time-calibrated molecular phylogeny
WebApr 1, 2019 · In our tree, Physeteridae (sperm whales) diverged early in comparison to remaining clades, and Platanistidae (South Asian river dolphins) is the sister group of …
Sperm Whales (Physeteridae) | Encyclopedia.com
WebSperm whale: 34–60 ft (10.4–18.3 m), 26,000–125,000 lb (12,000–57,000 kg); pygmy sperm whale: 11 ft (3.4 m), 900 lb (400 kg); dwarf sperm whale: 9 ft (2.7 m), 600 lb (270 kg) …
Sperm Whales: Physeteridae | Encyclopedia.com
WebSperm whales, especially males, have huge square asymmetrical heads that take up about one-third the length of their body. They have the largest brain of any mammal, larger …
Physeter - Wikipedia
WebPhyseter is a genus of toothed whales. There is only one living species in this genus: the sperm whale ( Physeter macrocephalus ). [2] Some extremely poorly known fossil …
A new stem-sperm whale (Cetacea, Odontoceti, Physeteroidea) …
WebAug 1, 2008 · A preliminary cladistic analysis provides a phylogenetic position of Acrophyseter nested within the stem-Physeteroidea, more basal than the clade Kogiidae …
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