Crustaceans

Crustaceans

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

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alice1

Beijing, China

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Crustaceans

adrostral ridge

Animals; Crustaceans

Ridge parallel to and separated by narrow groove from rostrum (Penaeoidea).

pterygostomian carina

Animals; Crustaceans

Ridge running posterior to pterygostomian spine on antero-ventral part of carapace.

anterior chamber

Animals; Crustaceans

Second portion (after the esophagus) of the chitin-lined foregut; has often been called the cardiac stomach.

coxal gland

Animals; Crustaceans

Segmentally arranged series of small excretory structures, one pair in each somite (pereonite) of pereon as well as in first four abdominal somites.

neutrum

Animals; Crustaceans

Sexually neutral juvenile. Depending on sex of accompanying adults, neutrum develops into male or female.

Shaft of variable length and thickness without setules; denticles varying from numerous and fine to few and stout, investing most of shaft, or confined to apical region; sometimes modified; annulus ...

proboscate seta

Animals; Crustaceans

Shaft somewhat stout and naked except for scattered and small denticles, usually adpressed against shaft which narrows abruptly post-annularly and terminates in an often slightly curved tubular ...