. Fig. 10. Thalassinid D. IV. St. 1581. a. Side view. b. Telson. c. Head and rostrum. Thalassinid II (Fig. 11) Barrier Reef St. 46. Rostrum i-i5 mm.; body 4-0 mm. Rostrum very broad, scarcely longer than antennule. Carapace with close-set marginal spines in front. Abdomen: somites 1-3 without spines; somites 4 and 5 with dorsal spine. Telson twice as long as wide, spines i and 2 wide apart, but near angle; posterior margin convex, with long median spine and four spines either side. Spine formula 8, I, 8. .

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