Moolapheonoides utmas, new species, is described from coral reefs at Madang, Papua New Guinea. M. utmas differs from other species in the genus by the large tooth-cusp projecting posteroventrally on article 2 of pereopod 7 and the lower dorsal crest of the urosome. It
shares an unusual dorsolateral bulbous projection of pereonite segments 3 and 4 with other cyproideid species Hoplopohoenoides obessa Shoemaker from Florida, and Naraphoenoides mullaya Barnard from Australia. Identification keys for the genus Moolaphoenoides are presented
and relationships to other genera in the family are discussed.
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