Aoridae * Myers, Alan A. Zootaxa 2009 2009-10-08 2260 1 220 278 3H7PR Myers 2009 [151,482,413,439] Malacostraca Aoridae Grandidierella Animalia Amphipoda 54 274 Arthropoda species rhizophorae sp. nov.  ( Figs 41, 42, Pl. 2D)   Type Material.  Holotype, male, 3.5 mm, AMP70562, Mangrove Beach, Lizard Island( 14°40.78’S 145°27.76’E), mangrove detritus,  Rhizophora stylosain lagoon,  0.5 m, T. Krapp-Schickel,  23 February 2005(QLD 1624).  Paratypes. 5 females, AMP70583 (QLD 1629);  1 male, 1 female, AMP70584 (QLD 1631).   FIGURE 41.  Grandidierella rhizophorae  sp. nov., holotype, male, 3.5 mm, AM P70562, Mangrove Beach, Lizard Island, Great Barrier Reef.    TypeLocality. Mangrove Beach, Lizard Island, Queensland, Australia( 14°40.78’S 145°27.76’E).   Etymology.Named after the mangrove  Rhizophora,in which the typematerial was collected.   Description.Based on holotype, male 3.5 mm, AM P70562.  Head. Headlateral cephalic lobes apically truncated. Antenna 1flagellum with about 15 articles; accessory flagellum absent or vestigial. Antenna 2with few long setae. Lower lipwith fine setae only. Maxilla 1inner plate without setae. Mandible, palp article 3 longer than 2, posterior margin substraight, with distal setae.   FIGURE 42.  Grandidierella rhizophorae  sp. nov., holotype, male, 3.5 mm, AM P70562, female, 4.5 mm, AM P70583, Mangrove Beach, Lizard Island, Great Barrier Reef.  Pereon. Pereoniteswithout sternal spines. Gnathopod 1enlarged in males only; coxa anterodistally rounded; basis robust, half or more as broad as long, with few or no setae present along margin, with setae sparse or absent, anterodistal margin with flange weak or absent; ischium anterior margin without flange; merus not greatly elongated, fused along its entire length with carpus, posterior margin with sparse setae or setae absent, without posterodistal spine; carpus one and one third to one and one half length of propodus, with setae sparse or absent, with one spine; propodus anterior margin moderately clothed in short setae, palm evenly continuous with posterior margin, margin entire, palm corner undefined; dactylus more than half length of propodus, significantly overlapping palm. Gnathopod 2basis anterior margin sub-straight, weakly setiferous, anterodistal margin without spine, posterodistal margin without robust setae; carpus longer than propodus, with long or short moderately spaced setae; propodus with long sparse setae. Pereopod 3basis anterior margin unexpanded, straight or weakly concave. Pereopod 7significantly less than 125% length of pereopod 6.  Pleon. Epimeron 3posterodistal margin rounded. Uropod 1distoventral spine shorter than peduncle. Uropod 2peduncle without distoventral spine or with vestigial spine. Uropod 3uniramous, inner ramus at least twice length of peduncle.  Female(sexually dimorphic characters). Based on paratype, female 4.5 mm, AMP70583. Gnathopod 1basis slender, much less than half as broad as long; carpus subequal in length with propodus; palm defined by strong posterodistal spine.  Habitat.Mangrove litter.   Remarks.Differs from  G. bonnieroidesby lacking a submarginal spine on the posterior margin of the carpus of the male gnathopod 1.   Distribution.  Australia. Queensland: Mangrove Beach, Lizard Island (current study). P70562 2005-02-23 AM, T Krapp-Schickel 5 -14.6796665 Mangrove Beach 13 145.46266 Lizard Island 54 274 1 holotype P70583 [311,868,602,628] AM 54 274 5 5 paratype P70584 [880,1390,602,628] AM 54 274 2 1 1 paratype [198,1349,151,178] Australia -14.6796665 Mangrove Beach 13 145.46266 Lizard Island 55 275 1 Queensland holotype P70583 AM 56 276 1 paratype