genus astacus

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Definitions from WordNet

Noun genus astacus has 1 sense

Astacus, genus Astacus - type genus of the family Astacidae; Old World crayfish
--₁ is a kind of arthropod genus
--₁ is a member of Astacidae, family Astacidae, Astacura
--₁ has members: Old World crayfish, ecrevisse

Definitions from the Web

Genus Astacus

Definition:

The genus Astacus refers to a group of freshwater crustaceans commonly known as crayfish or crawfish. It belongs to the family Astacidae and encompasses various species found in Europe and northern parts of Asia.

Sense 1 - Noun:

In biology, genus Astacus is a taxonomic classification used to categorize a specific group of crayfish species.

Example sentence: The genus Astacus includes species such as Astacus astacus, Astacus leptodactylus, and Astacus pachypus.

Sense 2 - Noun:

A genus Astacus can also refer to a specific crayfish species, commonly found in freshwater habitats.

Example sentence: The Astacus astacus, also known as the noble crayfish, is native to European rivers and lakes.

Sense 3 - Noun:

Genus Astacus can be used to describe the overall group of crayfish that belong to the Astacidae family.

Example sentence: The genus Astacus includes both the Astacus astacus and Astacus leptodactylus species.

Sense 4 - Adjective:

When used as an adjective, genus Astacus modifies other terms to specify their relation to the crayfish species within the Astacus genus.

Example sentence: Scientists are conducting research on the ecology of genus Astacus crayfish populations.