. Fig. 16. Thalassinid D. IX. St. 1576. a. Side view. b. Telson. c. Rostrum. Thalassinid Ill (Fig. 17) Barrier Reef Sts. 46, 49. Rostrum 2-0 mm.; body 5-35 mm. Rostrum broad at base, tapering, not greatly longer than antennule. Carapace with close-set marginal spines in front. Abdomen: somite 2 without spines; somites 4 and 5 with dorsal pair. Telson parallel-sided, three times as long as wide; spines 1-4 widely separated; posterior margin convex with long median spine and four spines either side; spine formula 8, i, 8. Eye nearly round, black. Antenna: basis with very long outer and very
. Fig. 16. Thalassinid D. IX. St. 1576. a. Side view. b. Telson. c. Rostrum. Thalassinid Ill (Fig. 17) Barrier Reef Sts. 46, 49. Rostrum 2-0 mm.; body 5-35 mm. Rostrum broad at base, tapering, not greatly longer than antennule. Carapace with close-set marginal spines in front. Abdomen: somite 2 without spines; somites 4 and 5 with dorsal pair. Telson parallel-sided, three times as long as wide; spines 1-4 widely separated; posterior margin convex with long median spine and four spines either side; spine formula 8, i, 8. Eye nearly round, black. Antenna: basis with very long outer and very small inner spine; scale without outer basal seta. Palp of maxillule and maxilla of three segments. Maxillipede i with outer seta on segment i. Chelae of legs i and 2 of fair size. Leg 5 with exopod as long as ischium, with five setae. Epipods on legs 1-4. Four pairs of pleopods.
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
