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Crustaceans

Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.

Contributors in Crustaceans

Crustaceans

spermathecum

Animals; Crustaceans

Storage chamber in the female copulatory organs, thelycum, for storage of spermatozoa.

preungal process

Animals; Crustaceans

Structure at base of dactyl of 4th pereopod in many pagurids; function unknown but presumed sensory.

corneous

Animals; Crustaceans

Structures that are horny (sclerified), particularly as related to reproductive appendages (modified first pleopod) of first form males.

immersed

Animals; Crustaceans

Sunken into, as with one structure into another.

paraesophageal ganglion

Animals; Crustaceans

Swelling of each circumesophageal connective between supraesophageal and subesophageal ganglia.

antennular process

Animals; Crustaceans

Tapering dorsolateral extension on each side of first head somite (antennular somite).

carcinisation

Animals; Crustaceans

Tendency for decapods to evolve towards a crab-like form.

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