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343 results for “Gammaridea”
Figure 5 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 5. Microcheus nortoni gen. et sp. nov., paratype, female 2.2 mm, Praia Jardim do Éden, Tramandaí, Rio Grande do Sul, MNRJ 21826. Scale bars: Hb, Hd = 0.5 mm; M = 2 µm.
Figure 4 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 4. Microcheus nortoni gen. et sp. nov., holotype, female 2.1 mm, Praia Jardim do Éden, Tramandaí, Rio Grande do Sul, MNRJ 21821. Scale bar 0.1 mm.
Figure 7 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 7. Ruffosius fluminensis gen. et sp. nov., paratype female, 4.8 mm, Praia Vermelha, Rio de Janeiro, MNRJ 21825. Scale bar 0.1 mm.
Figure 3 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 3. Microcheus nortoni gen. et sp. nov., holotype, female 2.1 mm, Praia Jardim do Éden, Tramandaí, Rio Grande do Sul, MNRJ 21821. Scale bar 0.1 mm.
Figure 2 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 2. Microcheus nortoni gen. et sp. nov., holotype, female 2.1 mm, Praia Jardim do Éden, Tramandaí, Rio Grande do Sul, MNRJ 21821. Scale bars 0.1 mm.
Figure 1 in First record of the family Cheidae (Amphipoda, Gammaridea) from the Brazilian coast, with description of two new genera and new species
Figure 1. Microcheus nortoni gen. et sp. nov., holotype, female 2.1 mm, Praia Jardim do Éden, Tramandaí, Rio Grande do Sul, MNRJ 21821. Scale bars 0.1 mm.
FIGURE 2. Haloops antarctica, n in Haploops antarctica n. sp. (Crustacea: Gammaridea: Ampeliscidae): the first species of the genus Haploops from the Southern Antarctic Ocean
FIGURE 2. Haloops antarctica, n. sp., holotype female, 10mm (ANDEEP III, EBS 154-9). (1) maxilliped; (2) mandible; (3) maxilla 1; (4) maxilla 2; (5) labium. Scale bars: 100 µm.
FIGURE 1. Haloops antarctica, n in Haploops antarctica n. sp. (Crustacea: Gammaridea: Ampeliscidae): the first species of the genus Haploops from the Southern Antarctic Ocean
FIGURE 1. Haloops antarctica, n. sp., holotype female, 10mm (ANDEEP III, EBS 154-9). (1) habitus; (2) antenna 1; (3) antenna 2; (4) gnathopod 1; (5) coxal plate 1; (6) gnathopod 2; (7) pereopod 3; (8) pereopod 4; (9) pereopod 5; (10) pereopod 6; (11) pereopod 7; (12) uropod 1; (13) uropod 2; (14) uropod 3; (15) detail of rami of uropod 3; (16) telson. Scale bars: 100 µm.
FIGURE 2 in Benthic amphipods (Amphipoda: Gammaridea and Corophiidea) from the Mexican southeast sector of the Gulf of Mexico: checklist, new records and zoogeographic comments
FIGURE 2. Zoogeographical affinity of amphipod fauna in the tropical western Atlantic. (A) Regions in the tropical western Atlantic after Ortiz et al. (2007) and LeCroy et al. (2009); gray lines represent the borders of regions in the GM and gray arrows represent the borders of the Carolinian and Caribbean provinces. (B) Cluster diagram of amphipod assemblage among regions of the tropical western Atlantic.
FIGURE 1 in Benthic amphipods (Amphipoda: Gammaridea and Corophiidea) from the Mexican southeast sector of the Gulf of Mexico: checklist, new records and zoogeographic comments
FIGURE 1. Localization of the study area in the Gulf of Mexico. (A) Sampling stations on the northern Yucatan continental shelf; (Ο) sample not collected due to adverse meteorological conditions. (B) Nested spatial scales in the Gulf of Mexico for recording the geographical extension of species; dashed line represents the Mexico's exclusive economic zones.
FIGURE 3 in Benthic amphipods (Amphipoda: Gammaridea and Corophiidea) from the Mexican southeast sector of the Gulf of Mexico: checklist, new records and zoogeographic comments
FIGURE 3. Number of amphipod species (Gammaridea and Corophiidea) in regions of the Gulf of Mexico. NE, Northeast; SE, Southeast; SW, Southwest; NW, Northwest. Data based on LeCroy et al. (2009); family Caprellidae and Cyamidae excluded.
FIGURE 5. A in Haploops antennata, a new species from the North Atlantic Ocean (Crustacea: Gammaridea: Ampeliscidae) [Contribution to the knowledge of the Haploops genus. 7.]
FIGURE 5. A summarized illustrated key, based on the position of the corneal lenses, for the Haploops species known.
FIGURE 2. H. antennata n in Haploops antennata, a new species from the North Atlantic Ocean (Crustacea: Gammaridea: Ampeliscidae) [Contribution to the knowledge of the Haploops genus. 7.]
FIGURE 2. H. antennata n. sp., holotype female. A: Antenna 1 and 2, note the tooth on article 2 of the A2 peduncle; B: Maxilliped; C: Maxilliped, enlargement of the distal part of the palp; D: Maxilla 1; E: Maxilla 2; F: Mandible; G: Mandible, enlargement of a tooth; H: the epimeral plates, 1 to 3 from right to left; J: telson. Scales: C, G: 0.1 mm; J: 0.2 mm; B, D, E, F: 0.5 mm: A, H: 1 mm.
FIGURE 4. H. antennata n in Haploops antennata, a new species from the North Atlantic Ocean (Crustacea: Gammaridea: Ampeliscidae) [Contribution to the knowledge of the Haploops genus. 7.]
FIGURE 4. H. antennata n. sp., holotype female. A: Pereopod 6; B: enlargement of the dactylus of Pereopod 6; C: Pereopod 7, the basis is narrow; D: enlargement of the carpus, propodus and dactylus of the Pereopod 7; E: Uropod 1, note the size of the rami; F: Uropod 2 with two rows of spines on each ramus; G: Uropod 3, each ramus bears long apical setae. Scales: B: 0.1 mm; D, E, F, G: 0.2 mm; A, C: 0.5 mm.
FIGURE 3. H. antennata n in Haploops antennata, a new species from the North Atlantic Ocean (Crustacea: Gammaridea: Ampeliscidae) [Contribution to the knowledge of the Haploops genus. 7.]
FIGURE 3. H. antennata n. sp., holotype female. A: Gnathopod 1; B: Gnathopod 1, enlargement of the dactylus, note the short setae on the inner margin; C: Gnathopod 2; D: Gnathopod 2, enlargement of the dactylus, note the short setae on the inner margin; E: The Pereopod 3; F: Pereopod 3, enlargement of the distal part of the dactylus; G: Pereopod 4; H: Pereopod 4, enlargement of the distal part of the dactylus; J: Pereopod 5; K: Pereopod 5, enlargement of the distal part of the propodus and dactylus. Note the oostegites present on Gnathopod 2 and Pereopod 3, 4 and 5, but not completely developed. Scales: B, D, F, H, K: 0.1 mm; A, C, E, G, J: 0.5 mm.
FIG. 17 in The genera Quadrimaera and Maera (Amphipoda: Gammaridea: Melitidae) from Mauritius
FIG. 17. Maera octodens Sivaprakasam,, 3.5 mm,, 4.6 mm, Balaclava. Scales: a 50.4 mm (left lt gnathopod G2; pereopod P7), b 5 0.1 mm (enlargement of lt G2, right r G2, G2; uropod U3), c 50.05 mm (Mandible palp Mdp, telson T).
FIG. 16 in The genera Quadrimaera and Maera (Amphipoda: Gammaridea: Melitidae) from Mauritius
FIG. 16. Maera hamigera Haswell,, 7.2 mm, Flic-en-Flac. Scales: a 50.4 mm (antennae A1, A2), b 50.2 mm (uropods U1±3), c 5 0.05 mm (maxilliped Mxpp; telson T), e 50.1 mm (labium L).
FIG. 15 in The genera Quadrimaera and Maera (Amphipoda: Gammaridea: Melitidae) from Mauritius
FIG. 15. Maera hamigera Haswell,, 7.2 mm, Flic-en-Flac. Scales: a 50.4 mm (right r gnathopod G2; pereopods P3 ±7), b 50.1 mm (enlargement of r G2).
FIG. 10 in The genera Quadrimaera and Maera (Amphipoda: Gammaridea: Melitidae) from Mauritius
FIG. 10. Maera serratipalma Nagata,, 3.6 mm,, 3.9 mm, Flic-en-Flac. Scales: a 50.2 mm (gnathopod G1, G2, G1, G2), b 50.05 mm (enlargement of G2), c 50.2 mm (antennae A1, A2).
FIG. 5 in The genera Quadrimaera and Maera (Amphipoda: Gammaridea: Melitidae) from Mauritius
FIG. 5. Quadrimaera cf paciWca (Schellenberg),, 3.5 mm, Bain Boeuf. Scales: a 50.2 mm (pereopods P3, P5), b 50.2 mm (antennae A1, A2; epimeron Ep), c 5 0.1 mm (gnathopod G1, enlargement of G2; uropods U1±3), d 50.05 mm (maxilla Mx1, Mx2; Mandible palp Mdp; telson T), e 50.2 mm (G2).
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