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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

apertural spine

Animals; Crustaceans

In acrothoracican, spine-like structure protecting aperture.

verruca

Animals; Crustaceans

Type of valve sculpture: small, wart-like outgrowth.

cardial sulcus

Animals; Crustaceans

Transverse groove across posterior region of carapace at level of heart.

plate

Animals; Crustaceans

In barnacle, one of a number of calcareous elements on outer surface of body. Produced by mantle and with characteristic structure, shape, and sculpture. One generally distinguished five primary ...

dwarf male

Animals; Crustaceans

In barnacle, term applied to relatively small male attached to female individual.

helmet

Animals; Crustaceans

Helmet-shaped elongation of anterior margin of head in certain individuals of a population. Appearance of helmeted individuals and shape of helmet is governed by environmental and genetic factors.

complemental plate

Animals; Crustaceans

In barnacle, term applied to relatively small male attached to hermaphroditic individual.

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