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Hexanchidae

Hexanchidae

9.9
A family of deep-water sharks with six or seven gill slits
  • noun
  • /ˌhɛksænˈkaɪdi/
  • Specialized
translation icon : Hexanchidae
  • Did you know that Hexanchidae have six or seven gill slits?

Examples

  • The Hexanchidae are known for their extra gill slits compared to most other sharks.

  • Members of the Hexanchidae are sometimes called cow sharks due to their distinctive appearance.

  • Researchers discovered a new species within the Hexanchidae in the deep Pacific Ocean.

  • The Hexanchidae family includes some of the oldest shark species.

  • The Hexanchidae family includes several species that can be found in deep ocean waters, showcasing unique adaptations.

  • Marine biologists study the Hexanchidae to understand their role in the ecosystem as ancient predators.

  • Unlike many sharks, members of the Hexanchidae possess six or seven gill slits, a feature that sets them apart.

Surface Forms

Hexanchidae singular
Hexanchidaes plural

Morphology

Hexanchidae = Hexanchus (semi-transparent) = Hexanchus + idae

The family name is formed by adding the taxonomic suffix '-idae' to the genus name; the construction is clear in scientific naming but specialized for general learners.

Etymology

The word Hexanchidae begins with the Greek root hex-, which means 'six', and the name refers to the sharks' extra gill slits. So, the name fits these deep-water sharks, many of which have six or sometimes seven gills.