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Dibranchia

Dibranchia

9.9
A group of sea animals like octopuses, squids, and cuttlefish that have two gills
  • noun
  • Specialized
: dibranquios
  • Modern squids and octopuses are classified under the subclass Dibranchia.

Examples

  • Unlike nautiluses, all members of Dibranchia possess two gills.

  • The Dibranchia include fascinating animals like squids and octopuses that can change colors.

  • Cephalopods in the Dibranchia group are known for their advanced nervous systems.

  • The Dibranchia group includes various species like octopuses and squids.

  • Scientists study Dibranchia to understand their unique behaviors.

  • In the ocean, Dibranchia species exhibit remarkable intelligence and problem-solving abilities.

  • Researchers are focused on the Dibranchia to learn more about their adaptation to different marine environments.

Synonyms

Dibranchiata
vsDibranchia
  • Specialized
9.9

Sea animals like octopuses, squids, and cuttlefish that have two gills

is a broader, nontechnical group label rather than a formal taxonomic rank

Surface Forms

Dibranchia singular
Dibranchia plural

Morphology

Dibranchia = di + branchia

A scientific Neo‑Latin/Greek formation using combining forms ('di-' + 'branchia') that are not productive standalone English words, so learners cannot reliably infer the meaning from familiar English bases.

Etymology

Dibranchia comes from the parts di- 'two' and branchia 'gills'. So Dibranchia literally means 'two gills', which helps explain why octopuses and squids are in this group while nautiluses are not.