Mysidella属(甲殻綱,アミ目,アミ科)とその5新種

概要

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Five new species of the genus Mysidella are described based on the specimens from Japanese waters and Southeast Asian seas. Mysidella macrophthalma sp. nov. is characterized by eight peculiar spines on the carpopropodus of the endopod of the first thoracic limb and the telson more than twice as long as broad, M. mukaii sp. nov. by the outer lobe of the maxillule armed with distal spines flattened and rounded apically and the telson armed with spines throughout the lateral margin, M. orientalis sp. nov. by length/width ratio of the telson and the numbers of spines on the uropodal endopod and telson, M. sulcata sp. nov. by the transverse deep groove on the rostrum and the terminal claw armed with two spines directing proximally, and M. truncata sp. nov. by the rostrum with truncate frontal margin, the endopod of the first thoracic limb with five peculiar spines on the carpopropodus and the telson with shallow apical sinus armed with one or two spines on either side. All species of the genus Mysidella are compared with respect to main morphological characters.
国立科学博物館の論文