dibranchiate

Thân thiện

Dibranchiate cephalopods like squid have two gills.

Definition

1. Noun:
   • A cephalopod having two gills: A dibranchiate is a member of the Dibranchiata, a subclass or group of cephalopods (such as squids, cuttlefish, and octopuses) characterized by having two gills.

Usage Examples

• Noun:
  • The squid is a common example of a dibranchiate.
  • Scientists study the anatomy of the dibranchiate to understand cephalopod evolution.

Advanced Usage

• Scientific Classification: The term is primarily used in zoological and biological contexts to classify and describe certain mollusks. It is often contrasted with "tetrabranchiate" (having four gills), which includes the nautilus.
  • The class Cephalopoda is divided into dibranchiate and tetrabranchiate forms.

Variants and Related Words

• Dibranchiata (n): The taxonomic group (subclass or superorder) comprising the dibranchiate cephalopods.
• Dibranchiate mollusk (n phrase): A more descriptive term for the same animal.

Synonyms

• Two-gilled cephalopod: A descriptive synonym.
• Coleoid: A more modern taxonomic term (subclass Coleoidea) that largely corresponds to the dibranchiate cephalopods, as it includes squids, octopuses, and cuttlefish, but excludes the nautilus.

Antonyms

• Tetrabranchiate (n): A cephalopod having four gills, such as the nautilus.

Học thuật

Noun

1. cephalopods having two gills

Từ đồng nghĩa

• dibranchiate mollusk
• dibranch