. Fig. 22. Thalassinid D. XII. St. 1576. a. Abdomen. b. Rostrum. c. Telson. d. Chela, leg i. telson is not the same, and the chela of leg i is much stouter. There is also no seta on the antennal scale. Two specimens from St. 1580 cannot be distinguished from the form described except that there is no trace of an exopod on leg 5. Thalassinid IV Barrier Reef St. 50. Rostrum 1-75 mm.; body 5-95 mm. Rostrum broad, tapering, much longer than antennule. Carapace with seven small marginal spines. Abdomen: somite 2 with very large hollowed spine; somites 3-5 with small spines and slight ridge. Pl
. Fig. 22. Thalassinid D. XII. St. 1576. a. Abdomen. b. Rostrum. c. Telson. d. Chela, leg i. telson is not the same, and the chela of leg i is much stouter. There is also no seta on the antennal scale. Two specimens from St. 1580 cannot be distinguished from the form described except that there is no trace of an exopod on leg 5. Thalassinid IV Barrier Reef St. 50. Rostrum 1-75 mm.; body 5-95 mm. Rostrum broad, tapering, much longer than antennule. Carapace with seven small marginal spines. Abdomen: somite 2 with very large hollowed spine; somites 3-5 with small spines and slight ridge. Pleura rounded. Telson three times as long as wide, parallel-sided; posterior margin convex, with very long median spine; spine formula 8, i, 8.
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
