. Fig. 156. Didymochelia spongicola, Brnrd. a. General view. b. Upper lip. c. Lower lip. d. Mandible, with cutting edge and secondary cutting plate further enlarged, e. Maxilla 1. /. Maxilla 2. g. Maxilliped. h. Side- plate 1 and gnathopod 1. i. Gnathopod 2. /. Peraeopod 5. k. Uropod 2. /. Telson and uropod 3. a small upturned triangular carinal tooth on hind margin; 4 with slight transverse de- pression, posterior margin raised into a transverse tooth; segments 5 and 6 very short; postero-inferior angles of segments 1-3 ending in short acute points. Telson transverse, broader than long, round
. Fig. 156. Didymochelia spongicola, Brnrd. a. General view. b. Upper lip. c. Lower lip. d. Mandible, with cutting edge and secondary cutting plate further enlarged, e. Maxilla 1. /. Maxilla 2. g. Maxilliped. h. Side- plate 1 and gnathopod 1. i. Gnathopod 2. /. Peraeopod 5. k. Uropod 2. /. Telson and uropod 3. a small upturned triangular carinal tooth on hind margin; 4 with slight transverse de- pression, posterior margin raised into a transverse tooth; segments 5 and 6 very short; postero-inferior angles of segments 1-3 ending in short acute points. Telson transverse, broader than long, rounded posteriorly, a short stout spine on each side of the feebly concave distal margin. Antenna 1, 1st joint stout, flagellum 8-jointed, 1st joint longest and bearing a brush of setae, accessory flagellum 4-jointed. Antenna 2 slender, flagellum 8-jointed. Mouth-parts prominently projecting, though not styliform. Upper lip elongate- triangular, apically narrowly rounded. Lower lip without inner lobes, outer lobes apically subacute, mandibular processes very small. Mandible, cutting edge obscurely
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Photo credit: © The Bookworm Collection / Alamy / Afripics
License: Licensed
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
