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Term: Family Physeteridae

Description:

The family Physeteridae belongs to the order Cetacea and comprises the largest toothed whales, commonly known as the sperm whales. These magnificent marine mammals are characterized by their massive heads, robust bodies, and a large cavity known as the spermaceti organ. Physeteridae is the only extant family in the superfamily Physeteroidea, which also includes the extinct family Kogiidae.

Senses:

1. Noun - The taxonomic family Physeteridae, comprising the sperm whales.

Sample Sentences:

• The family Physeteridae includes three living species of sperm whales.
• Physeteridae is believed to have diverged from other families of toothed whales around 25 million years ago.
• Sperm whales, members of the Physeteridae family, can dive to impressive depths in search of their prey.

Related products:

• Sperm whale toy
• Sperm whale book
• Spermaceti oil