macrurous

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macrurous

having a large tail. The term is usually applied to long-bodied CRUSTACEANS, such as the lobster, where the tail projects backwards as opposed to being beneath the abdomen as in the crab.
References in periodicals archive ?
Compared with the ladder-like nerve cord of macrurans (crayfish and lobsters), their nervous system shows condensation and fusion of thoracic ganglia, allowing rapid interganglionic conduction of impulses.
A layer of striated muscle fibers has been found in the DAA of a number of macruran species including H.
Apart from the LAAVs of macrurans, very little is known about such peripheral sites of control of hemolymph flow in decapods.