Figure 1.
Pseudharpinia jonesyiAndrade and Senna, 2020aAndrade, L.F. and Senna, A.R. 2020a. Four new species of Pseudharpinia Schellenberg, 1931 (Crustacea: Amphipoda: Phoxocephalidae) from southwestern Atlantic and new records of P. tupinamba Senna and Souza-Filho, 2011. Zootaxa, 4763: 501-537., female (UERJ 465), Uruguay (34°33’S 53°12’W). P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 0.5 mm for P5; 1.0 mm for P6.
Figure 2.
Pseudharpinia tupinambaSenna and Souza-Filho, 2011Senna, A.R. and Souza-Filho, J.F. 2011. A new species of Pseudharpinia (Amphipoda: Haustorioidea: Phoxocephalidae) from Southeastern Brazilian continental shelf. Nauplius, 19: 7-16., female (UERJ 467), Argentina (38°06’S 55°13’W). P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 0.5 mm for P5; 1.0 mm for P6.
Figure 3.
Fuegiphoxus abjectusBarnard and Barnard, 1980Barnard, J.L. and Barnard, C.M. 1980. Two new phoxocephalid genera, Fuegiphoxus and Phoxorgia, from Magellanic South America (Amphipoda: Crustacea). Proceedings of the Biological Society of Washington, 93: 849-874., female (UERJ 468), Argentina (38°06’S 55°13’W). Hb, habitus, lateral view. Scale bar: 3.0 mm.
Figure 4.
Fuegiphoxus abjectusBarnard and Barnard, 1980Barnard, J.L. and Barnard, C.M. 1980. Two new phoxocephalid genera, Fuegiphoxus and Phoxorgia, from Magellanic South America (Amphipoda: Crustacea). Proceedings of the Biological Society of Washington, 93: 849-874., female (UERJ 468), Argentina (38°06’S 55°13’W). Hd lateral view, head, lateral view; Hd dorsal view, head, dorsal view; A1, antenna 1, lateral view; A2, antenna 2, lateral view; LL, lower lip, dorsal view; L,Md, left mandible, mesial view; R,Md, right mandible, mesial view; Mp, left maxilliped, dorsal view; Mx1, left maxilla 1, dorsal view; Mx2, left maxilla 2, dorsal view. Scale bars: 0.2 mm for LL and Mx1-2; 0.3 mm for Mp, L,Md and R,Md; 0.5 mm for the remaining.
Figure 5.
Fuegiphoxus abjectusBarnard and Barnard, 1980Barnard, J.L. and Barnard, C.M. 1980. Two new phoxocephalid genera, Fuegiphoxus and Phoxorgia, from Magellanic South America (Amphipoda: Crustacea). Proceedings of the Biological Society of Washington, 93: 849-874., female (UERJ 468), Argentina (38°06’S 55°13’W). G1, gnathopod 1, lateral view; G2, gnathopod 2, lateral view; P3, pereopod 3, lateral view; P4, pereopod 4, lateral view. Scale bars: 1.0 mm.
Figure 6.
Fuegiphoxus abjectusBarnard and Barnard, 1980Barnard, J.L. and Barnard, C.M. 1980. Two new phoxocephalid genera, Fuegiphoxus and Phoxorgia, from Magellanic South America (Amphipoda: Crustacea). Proceedings of the Biological Society of Washington, 93: 849-874., female (UERJ 468), Argentina (38°06’S 55°13’W). P5, pereopod 5, lateral view; P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 1.0 mm.
Figure 7.
Fuegiphoxus abjectusBarnard and Barnard, 1980Barnard, J.L. and Barnard, C.M. 1980. Two new phoxocephalid genera, Fuegiphoxus and Phoxorgia, from Magellanic South America (Amphipoda: Crustacea). Proceedings of the Biological Society of Washington, 93: 849-874., female (UERJ 468), Argentina (38°06’S 55°13’W). Ep1, epimeral plate 1, lateral view; Ep2, epimeral plate 2, lateral view; Ep3, epimeral plate 3, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view; T, telson, dorsal view. Scale bars: 1.0 mm for Ep1-3; 0.3 mm for T; 0.5 mm for the remaining.
Figure 8.
Fuegiphoxus fuegiensis (Schellenberg, 1931Schellenberg, A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarkis. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903, 2(6): 1-290.), female (UERJ 470), Argentina (38°06’S 55°13’W). Hb, habitus, lateral view. Scale bar: 2.0 mm.
Figure 9.
Fuegiphoxus fuegiensis (Schellenberg, 1931Schellenberg, A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarkis. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903, 2(6): 1-290.), female (UERJ 470), Argentina (38°06’S 55°13’W). Hd lateral view, head, lateral view; Hd dorsal view, head, dorsal view; A1, antenna 1, lateral view; A2, antenna 2, lateral view; L,Md, left mandible, mesial view; R,Md, right mandible, mesial view; Mp, left maxilliped, dorsal view; Mx1, left maxilla 1, dorsal view; Mx2, left maxilla 2, dorsal view. Scale bars: 0.1 mm for Mx1-2; 0.5 mm for Hd; 0.2 mm for the remaining.
Figure 10.
Fuegiphoxus fuegiensis (Schellenberg, 1931Schellenberg, A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarkis. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903, 2(6): 1-290.), female (UERJ 470), Argentina (38°06’S 55°13’W). G1, gnathopod 1, lateral view; G2, gnathopod 2, lateral view; P3, pereopod 3, lateral view; P4, pereopod 4, lateral view. Scale bars: 0.5 mm.
Figure 11.
Fuegiphoxus fuegiensis (Schellenberg, 1931Schellenberg, A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarkis. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903, 2(6): 1-290.), female (UERJ 470), Argentina (38°06’S 55°13’W). P5, pereopod 5, lateral view; P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 1.0 mm for P6; 0.5 mm for the remaining.
Figure 12.
Fuegiphoxus fuegiensis (Schellenberg, 1931Schellenberg, A. 1931. Gammariden und Caprelliden des Magellangebietes, Sudgeorgiens und der Westantarkis. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903, 2(6): 1-290.), female (UERJ 470), Argentina (38°06’S 55°13’W). Ep1, epimeral plate 1, lateral view; Ep2, epimeral plate 2, lateral view; Ep3, epimeral plate 3, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view; T, telson, dorsal view. Scale bars: 0.1 mm for T; 0.5 mm for the remaining.
Figure 13.
Metharpinia dentiurosomaAlonso de Pina, 2003Alonso de Pina, G.M. 2003b. Two new species of Metharpinia Schellenberg (Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 37: 2521-2545.b, female (UERJ 461), Argentina (36°29’S 55°57’W). Ep1, epimeral plate 1, lateral view; Ep2, epimeral plate 2, lateral view; Ep3, epimeral plate 3, lateral view; Ur1, urosomite 1, lateral view; Ur2, urosomite 2, lateral view; Ur3, urosomite 3, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view. Scale bars: 1.0 mm for Ep1-3; 0.3 mm for the remaining.
Figure 14.
Metharpinia grandiramaAlonso de Pina, 2003bAlonso de Pina, G.M. 2003b. Two new species of Metharpinia Schellenberg (Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 37: 2521-2545., female (UERJ 464), Argentina (37°56’S 57°07’W). A2, antenna 2, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view. Scale bars: 0.3 mm.
Figure 15.
Metharpinia protuberantisAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 460), Argentina (38°06’S 55°13’W). Hb, habitus, lateral view. Scale bar: 3.0 mm.
Figure 16.
Metharpinia protuberantisAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 460), Argentina (38°06’S 55°13’W). Hd lateral view, head, lateral view; Hd dorsal view, head, dorsal view; A1, antenna 1, lateral view; A2, antenna 2, lateral view; L,Md, left mandible, mesial view; R,Md, right mandible, mesial view; Mp, left maxilliped, dorsal view; Mx1, left maxilla 1, dorsal view; Mx2, left maxilla 2, dorsal view. Scale bars: 0.1 mm for Mx1-2; 0.3 mm for L,Md, R,Md and Mp; 0.5 mm for the remaining.
Figure 17.
Metharpinia protuberantisAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 460), Argentina (38°06’S 55°13’W). G1, gnathopod 1, lateral view; G2, gnathopod 2, lateral view; P3, pereopod 3, lateral view; P4, pereopod 4, lateral view. Scale bars: 0.5 mm.
Figure 18.
Metharpinia protuberantisAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 460), Argentina (38°06’S 55°13’W). P5, pereopod 5, lateral view; P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 0.3 mm for P7; 0.5 mm for the remaining.
Figure 19.
Metharpinia protuberantisAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 460), Argentina (38°06’S 55°13’W). Ep1, epimeral plate 1, lateral view; Ep2, epimeral plate 2, lateral view; Ep3, epimeral plate 3, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view. Scale bars: 0.5 mm for Ep1-3; 0.3 mm for the remaining.
Figure 20.
Parafoxiphalus longicarpusAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 472), Argentina (38°06’S 55°13’W). Hb, habitus, lateral view. Scale bar: 2.0 mm.
Figure 21.
Parafoxiphalus longicarpusAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 472), Argentina (38°06’S 55°13’W). Hd lateral view, head, lateral view; Hd dorsal view, head, dorsal view; A1, antenna 1, lateral view; A2, antenna 2, lateral view; L,Md, left mandible, mesial view; R,Md, right mandible, mesial view; Mp, left maxilliped, dorsal view; Mx1, left maxilla 1, dorsal view; Mx2, left maxilla 2, dorsal view. Scale bars: 0.1 mm for Mx1-2; 0.5 mm for Hd; 0.3 mm for the remaining.
Figure 22.
Parafoxiphalus longicarpusAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 472), Argentina (38°06’S 55°13’W). G1, gnathopod 1, lateral view; G2, gnathopod 2, lateral view; P3, pereopod 3, lateral view; P4, pereopod 4, lateral view. Scale bars: 0.5 mm.
Figure 23.
Parafoxiphalus longicarpusAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 472), Argentina (38°06’S 55°13’W). P5, pereopod 5, lateral view; P6, pereopod 6, lateral view; P7, pereopod 7, lateral view. Scale bars: 1.0 mm.
Figure 24.
Parafoxiphalus longicarpusAlonso de Pina, 2001Alonso de Pina, G.M. 2001. Two new phoxocephalids (Crustacea: Amphipoda: Phoxocephalidae) from the south-west Atlantic. Journal of Natural History, 35: 515-537., female (UERJ 472), Argentina (38°06’S 55°13’W). Ep1, epimeral plate 1, lateral view; Ep2, epimeral plate 2, lateral view; Ep3, epimeral plate 3, lateral view; U1, uropod 1, lateral view; U2, uropod 2, lateral view; U3, uropod 3, lateral view; T, telson, dorsal view. Scale bars: 0.5 mm for Ep1-3; 0.2 mm for T; 0.5 mm for the remaining.
Figure 25.
Distribution of the phoxocephalids collected by the R/V Almirante Saldanha. Square: record for Pseudharpinia jonesyi (st. 2865). Triangle: record for Metharpinia dentiurosoma (st. 2868). Diamond: record for M. dentiurosoma (st. 2861). Star: records for M. dentiurosoma and Metharpinia grandirama (st. 2888). Plus sign: records for Pseudharpinia tupinamba, Fuegiphoxus abjectus, Fuegiphoxus fuegiensis, Metharpinia protuberantis, and Parafoxiphalus longicarpus (st. 2886).
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