Typton manningi and T-capricorniae, new species, new pontoniine shrimps from northern Queensland, with a review of the Indo-West Pacific species of Typton Costa (Decapoda : Palaemonidae)

Two new pontoniine shrimp species of the little known genus Typton Costa, T . manningi and T. capricorniae, from Queensland, Australia, are described a nd illustrated. The Indo-West Pacific species of the genus are reviewed, an d a key for their identification is provided. All six Indo-West Pacific spe cies of the genus, associates of sponges and sparsely reported from East Af rica to Japan, are known from Australian waters.