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Fig. 11. Grandidierella osakaensis Ariyama, 1996. A, B in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 11. Grandidierella osakaensis Ariyama, 1996. A, B, female (OMNH-Ar-10298), 6.3 mm; C, male (OMNH-Ar-10301), 7.0 mm; D, paratype, male (OMNH-Ar-3857), 6.1 mm. A, left gnathopod 1, lateral view; A1, distal part of left gnathopod 1, lateral view, normal setae omitted; B, left gnathopod 2, lateral view; B1, distal part of left gnathopod 2, lateral view, normal setae omitted; C, D, ischia–dactyli of left gnathopods 2, lateral views, setae omitted. Scales: 0.2 mm.

Fig. 10. Grandidierella osakaensis Ariyama, 1996 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 10. Grandidierella osakaensis Ariyama, 1996. Male (OMNH-Ar-10297), 5.8 mm. A, right antenna 2, lateral view; A1, flagellum of right antenna 2, lateral view, normal setae omitted; B, left gnathopod 1, lateral view; C, left gnathopod 2, lateral view; C1, distal part of left gnathopod 2, lateral view, normal setae omitted; D, left uropod 1, dorsolateral view. Scales: 0.2 mm.

Fig. 3 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 3. Grandidierella sanrikuensis sp. nov. Holotype, male (OMNH-Ar-10195), 7.7 mm. Habitus, left lateral view, pleopods lost.

Fig. 7 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 7. Grandidierella sanrikuensis sp. nov. A, B, paratype, female (OMNH-Ar-10197), 8.5 mm; C, paratype, male (OMNH-Ar-10196), 6.5 mm; D, paratype, male (OMNH-Ar-10198), 3.8 mm. A, left gnathopod 1, lateral view; A1, distal part of left gnathopod 1, lateral view, normal setae omitted; B, left gnathopod 2, lateral view; B1, distal part of left gnathopod 2, lateral view, normal setae omitted; C, D, meri–dactyli of left gnathopods 2, lateral views, setae omitted. Scales: 0.2 mm.

Fig. 1. Map showing the collecting sites. A–C in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 1. Map showing the collecting sites. A–C, Grandidierella sanrikuensis sp. nov.; D, G. rubroantennata sp. nov.; E–G, G. osakaensis Ariyama, 1996. In sites C, E and G, G. japonica Stephensen, 1938 was also collected nearby.

Fig. 2 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 2. Photographs of the specimens in life. A, Grandidierella sanrikuensis sp. nov., holotype, male (OMNH-Ar-10195), 7.7 mm; B, G. sanrikuensis, paratype, female (OMNH-Ar-10197), 8.5 mm; C, G. rubroantennata sp. nov., paratype, female (OMNH-Ar-10296), 7.2 mm; D, G. osakaensis Ariyama, 1996, male (OMNH-Ar-10297), 5.8 mm; E, G. osakaensis, female (OMNH-Ar-10359), 5.8 mm. Scales: 1 mm.

Fig. 8 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 8. Grandidierella rubroantennata sp. nov. Paratype, female (OMNH-Ar-10296), 7.2 mm. A, left antenna 1, lateral view; A1, accessory flagellum of left antenna 1, medial view; B, left antenna 2, lateral view; B1, tip of left antenna 2, lateral view, normal setae omitted; C, left mandible, medial view; C1, incisor, lacinia mobilis and accessory blades of left mandible, medial view; D, left gnathopod 1, lateral view; D1, distal part of left gnathopod 1, lateral view, normal setae omitted; E, left gnathopod 2, lateral view; E1, distal part of left gnathopod 2, lateral view, normal setae omitted; F, basis of left pereopod 7, lateral view; G, left uropod 1, dorsolateral view; H, left uropod 2, dorsolateral view; I, left uropod 3, dorsal view; J, telson, dorsal view. Scales: 0.1 mm.

Fig. 4 in Three Species of Grandidierella (Crustacea: Amphipoda: Aoridae) from Coastal Areas of the Tohoku and Kanto-Tokai Districts, East Japan, with the Description of Two New Species

Fig. 4. Grandidierella sanrikuensis sp. nov. A–E, G–I, holotype, male (OMNH-Ar-10195), 7.7 mm; F, paratype, male (OMNH-Ar-10199), 8.4 mm. A, left antenna 1, lateral view; A1, accessory flagellum of left antenna 1, medial view; B, left antenna 2, lateral view; B1, tip of left antenna 2, lateral view, normal setae omitted; C, upper lip, anterior view; D, left mandible, medial view; D1, incisor, lacinia mobilis and accessory blades of left mandible, medial view; E, right mandible, medial view; E1, incisor, lacinia mobilis and accessory blades of right mandible, medial view; F, lower lip, ventral view; G, left maxilla 1, dorsal view; G1, distal part of outer plate of left maxilla 1, dorsal view; H, left maxilla 2, dorsal view; I, left maxilliped, dorsal view, inner plate omitted, nail of palp lost; I1, inner plate of right maxilliped, dorsal view. Scales: 0.1 mm.

Fig. 8 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 8. Paragrandidierella unidentata (Ren, 2006). A–G, male (OMNH-Ar-9552), 2.1 mm; H–K, female (OMNH-Ar-9554), 2.7 mm; L, male (OMNH-Ar-9553), 1.7 mm; M, male (OMNH-Ar-9549), 2.4 mm. A, left epimeral plates 1–3, lateral view; B, C, left pleopods 1 and 2, anterior views; D, left pleopod 3, posterior view; E, F, left uropods 1 and 2, dorsal views (arrow in E indicates inter-ramal process); G, telson and left uropod 3, dorsal view; H, left antenna 1, medial view; I, left antenna 2, lateral view; J, K, left gnathopods 1 and 2, lateral views; J1, K1, distal parts of left gnathopods 1 and 2, lateral views, normal setae omitted; L, M, carpi–dactyli of gnathopods 1, lateral views, normal setae omitted. Scales: 0.1 mm.

Fig. 4 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 4. Paragrandidierella urauchiensis sp. nov. A–F, holotype male (OMNH-Ar-9543), 3.1 mm; G, paratype male (OMNH-Ar-9545), 3.0 mm; H–K, paratype female (OMNH-Ar-9548), 2.4 mm; L, paratype male (OMNH-Ar-9546), 2.6 mm; M, paratype male (OMNH- Ar-9544), 3.2 mm. A, right epimeral plates 1–3, lateral view; B–D, left pleopods 1–3, posterior views; E, F, left uropods 1 and 2, dorsal views (arrow in E indicates inter-ramal process); G, telson and uropods 3, dorsal view; H, left antenna 1, medial view; I, left antenna 2, dorsal view; J, K, left gnathopods 1 and 2, lateral views; J1, K1, distal parts of left gnathopods 1 and 2, lateral views, normal setae omitted; L, M, carpi– dactyli of gnathopods 1, lateral views, setae omitted. Scales: 0.1 mm.

Fig. 3 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 3. Paragrandidierella urauchiensis sp. nov. Holotype male (OMNH-Ar-9543), 3.1 mm. A, left gnathopod 1, lateral view; A1, tip of dactylus of left gnathopod 1, lateral view; B, left gnathopod 2, lateral view; B1, propodus and dactylus of left gnathopod 2, lateral view, normal setae omitted; C, left pereopod 3, lateral view; C1, coxal gill of left pereopod 3, lateral view; D–G, left pereopods 4–7, lateral views. Scales: 0.1 mm.

Fig. 1 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 1. Paragrandidierella urauchiensis sp. nov. Holotype male (OMNH-Ar-9543), 3.1 mm. Habitus, right lateral view.

Fig. 2 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 2. Paragrandidierella urauchiensis sp. nov. A–E, G–I, holotype male (OMNH-Ar-9543), 3.1 mm; F, paratype male (OMNH-Ar-9545), 3.0 mm. A, left antenna 1, lateral view; A1, accessory flagellum and adjacent part of left antenna 1, medial view; B, left antenna 2, lateral view; C, upper lip, anterior view; D, left mandible, medial view; D1, incisor, lacinia mobilis, and accessory blades of left mandible, lateral view; E, right mandible, medial view; E1, incisor, lacinia mobilis, and accessory blades of right mandible, medial view; F, lower lip, ventral view; G, right maxilla 1, dorsal view; G1, distal part of outer plate of right maxilla 1, dorsal view; G2, distal part of outer plate of left maxilla 1, dorsal view; H, right maxilla 2, ventral view; I, right maxilliped, ventral view; I1, outer and inner plates of right maxilliped, ventral view, normal setae omitted. Scales: 0.05 mm.

Fig. 9. Paragrandidierella minima Ariyama, 2002. A, B, N in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 9. Paragrandidierella minima Ariyama, 2002. A, B, N, male (OMNH-Ar-9556), 2.8 mm; C–G, holotype male (OMNH-Ar-4922), 2.1 mm; H, I, ovigerous female (OMNH-Ar-9562), 2.9 mm; J, L, male (OMNH-Ar-9560), 1.6 mm; K, M, male (OMNH-Ar-9558), 2.0 mm. A, left antenna 1, lateral view; A1, accessory flagellum of left antenna 1, lateral view; B, left antenna 2, lateral view; C, incisor, lacinia mobilis, and accessory blades of right mandible, ventral view; D, incisor, lacinia mobilis, and accessory blades of left mandible, ventral view; E, distal part of outer plate of right maxilla 1, dorsal view; F, distal part of outer plate of left maxilla 1, ventral view; G, outer and inner plates of right maxilliped, dorsal view, normal setae omitted; H, I, antennae 1 and 2, lateral views; J, K, distal parts of antennae 2, lateral views, normal setae omitted; L–N, carpi–dactyli of gnathopods 1, lateral views, normal setae omitted. Scales: 0.1 mm.

Fig. 5 in Reinstatement of Paragrandidierella (Crustacea: Amphipoda: Aoridae) from Japan, with the Description of a New Species

Fig. 5. Paragrandidierella unidentata (Ren, 2006). Male (OMNH-Ar-9552), 2.1 mm. Habitus, left lateral view.

Fig. 9 in Two New Species of Aoridae from Chichijima Island, the Ogasawara Islands in Japan (Crustacea: Amphipoda)

Fig. 9. Grandidierella ogasawarensis sp. nov. All but M, holotype, male (OMNH-Ar-12324), 5.0 mm; M, paratype, male (OMNH- Ar-12325), 4.5 mm. Scales: 0.1 mm.

Fig. 8 in Two New Species of Aoridae from Chichijima Island, the Ogasawara Islands in Japan (Crustacea: Amphipoda)

Fig. 8. Grandidierella ogasawarensis sp. nov. Holotype, male (OMNH-Ar-12324), 5.0 mm. Scales: 0.05 mm.

Fig. 10 in Two New Species of Aoridae from Chichijima Island, the Ogasawara Islands in Japan (Crustacea: Amphipoda)

Fig. 10. Grandidierella ogasawarensis sp. nov. All except for F and SM, holotype, male (OMNH-Ar-12324), 5.0 mm; F, paratype, female (OMNH-Ar-12327), 5.4 mm; SM, paratype, male (OMNH-Ar-12326), 3.6 mm. Setae of male gnathopods omitted. Scales: 0.1 mm.

Fig. 6 in Two New Species of Aoridae from Chichijima Island, the Ogasawara Islands in Japan (Crustacea: Amphipoda)

Fig. 6. Photographs of fixed specimens (three days after fixation). A, Aoroides macrops sp. nov., paratype, male (OMNH-Ar-12318), 2.8 mm; B, Grandidierella ogasawarensis sp. nov., paratype, male (OMNH-Ar-12325), 4.5 mm. Scales: 1 mm.

Fig. 5 in Two New Species of Aoridae from Chichijima Island, the Ogasawara Islands in Japan (Crustacea: Amphipoda)

Fig. 5. Aoroides macrops sp. nov. All except for F, SM and LgM, holotype, male (OMNH-Ar-12315), 2.7 mm; F, paratype, ovigerous female (OMNH-Ar-12322), 2.9 mm; SM, paratype, male (OMNH-Ar-12321), 2.3 mm; LgM, paratype, male (OMNH-Ar-12316), 3.2 mm. Setae of male gnathopods omitted. Scales: 0.05 mm.