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Crustaceans
Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.
Industry: Animals
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Crustaceans
median articulated spine
Animals; Crustaceans
Projection of telson in eocarids, seemingly not homologous with skeletal structure of any extant crustacean.
adhesion pads
Animals; Crustaceans
Raised areas of specialised integument, ornamented with fine ridges, found in some siphonostomatoids parasitic on fish.
androdioecy
Animals; Crustaceans
Rare type of mixed mating system in which males coexist with hermaphrodytes but there are no true females.
adductor muscle scar pattern
Animals; Crustaceans
Rather central pattern of scars (raised or depressed) indicating where central adductor muscles attach to valves; not always clearly visible.
antennulary part
Animals; Crustaceans
Region of head (cephalon) anterior to cephalic constriction. Bears antennules, four ocelli, two anteromedian lobes (rostral plate), and two anterolateral (lateral) lobes. (posterolateral corner: ...
ventral costa
Animals; Crustaceans
Ridge extending along ventromesial margin of the ventrolateral lobule of the petasma.
