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243 results for “Ischyroceridae”
Figure 1 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 1. Ericthonius megalopus (Sars, 1879), Sagami Bay, Japan. Male, 11.5 mm, OMNH-Ar 8541 (left), and female, 11.8 mm, OMNH-Ar 8542 (right), in the nest (mud tube). Photography by Y. Fujiwara.
Figure 4 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 4. Ericthonius megalopus (Sars, 1879), Sagami Bay, Japan, male, 11.5 mm, OMNH-Ar 8541. (A) Left gnathopod 1, lateral view; (B) right gnathopod 2, lateral view; (B1) posterior margin of propodus of right gnathopod 2, medial view, setae omitted; (C–E) left pereopods 3–5, lateral views; (F) basis–dactylus of left pereopod 6, lateral view; (F1) coxa and gill of left pereopod 6, lateral view. Scale: 0.1 mm.
Figure 12 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 12. World distribution of Ericthonius megalopus (Sars, 1879). Circles indicate localities in the records as Ericthonius megalopus; triangles indicate localities in the records as Ericthonius tolli; star indicates Sagami Bay (present record). "T" indicates the type locality.
Figure 7 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 7. Ericthonius megalopus (Sars, 1879), Norwegian Sea, male, 9.0 mm, ZMUC-CRU- 20157. (A, B) Left gnathopods 1, 2, lateral views; (B1) posterior margin of propodus of left gnathopod 2, lateral view, setae omitted; (C, D) left pereopods 3, 4, lateral views; (E) coxa, gill and basis of left pereopod 5, lateral view; (F) left coxa, gill and right basis of pereopod 6, lateral view; (G) coxa and basis of left pereopod 7, lateral view. Scale: 0.1 mm.
Figure 9 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 9. Ericthonius megalopus (Sars, 1879) (previously identified as Ericthonius tolli), Arctic Ocean, male, 8.3 mm, ZMUC-CRU-20162. (A, B) Left gnathopods 1, 2, lateral views; (B1) posterior margin of propodus of left gnathopod 2, lateral view, setae omitted; (C, D) left pereopods 3, 4, lateral views; (E) basis–dactylus of left pereopod 5, lateral view; (E1) coxa and gill of left pereopod 5, lateral view; (F) basis–dactylus of right pereopod 6, lateral view; (F1) coxa of left pereopod 6, lateral view, gill lost. Scale: 0.1 mm.
Figure 2 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 2. Ericthonius megalopus (Sars, 1879), Sagami Bay, Japan, male, 11.5 mm, OMNH-Ar 8541. Lateral view, right gnathopod 2 superimposed reversely. Scale: 1 mm.
Figure 3 in First record of Ericthonius megalopus (Sars, 1879) from bathyal Sagami Bay, central Japan, including synonymization of Ericthonius tolli Brüggen, 1909 with Ericthonius megalopus (Crustacea: Amphipoda: Ischyroceridae)
Figure 3. Ericthonius megalopus (Sars, 1879), Sagami Bay, Japan, male, 11.5 mm, OMNH-Ar 8541. (A) Right antenna 1, medial view; (A1) accessory flagellum of right antenna 1, medial view; (B) left antenna 2, lateral view; (C) upper lip, anteroventral view; (D) left mandible, medial view; (D1) incisor and lacinia mobilis of left mandible, medial view; (E) right mandible, medial view; (E1) incisor and lacinia mobilis of right mandible, medial view; (F) lower lip, ventral view; (G) left maxilla 1, ventral view; (G1) apical part of left maxilla 1, ventral view; (H) right maxilla 2, ventral view; (I) right maxilliped, ventral view; (I1) palp article 4 and spine of left maxilliped, ventral view, setae omitted; (I2) apical part of inner plate of right maxilliped, ventral view, slender setae omitted. Scales: 0.1 mm.
Figure 32 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 32. Pseudericthonius concavus sp. nov. Holotype, female (2.7 mm), OCEANPROF II BC, #50, 30 June 2003, 1050 m, MNRJ 21423.
Figure 33 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 33. Pseudericthonius concavus sp. nov. Holotype, female (2.7 mm), OCEANPROF II BC, #50, 30 June 2003, 1050 m, MNRJ 21423.
Figure 30 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 30. Pseudericthonius bousfieldi sp. nov. Paratype female (3.5 mm), OCEANPROF II (BC SUL) #75, 18 June 2003, 1050 m, MNRJ 21250.
Figure 24 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 24. Notopoma lowryi sp. nov. Holotype: male (3 mm), OCEANPROF I, #59, 12 December 2002, 750 m, MNRJ 21244. Scale bars: 0.1 mm.
Figure 7 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 7. Strict consensus cladogram (tree length = 90; consistency index, CI = 0.622; homoplasy index, HI = 0.379; retention index, RI = 0.904; rescaled consistency index, RC = 0.563), calculated from the four fundamental trees. Numbers of nodes are included in bold under each branch, weith the Bremer support set in italics below.
Figure 8 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 8. Bonnierella campensis sp. nov. Holotype: male (3.7 mm), OCEANPROF I, BC-SUL, #79, 775 m, 21 November 2002, MNRJ 21218. Scale bars: 0.1 mm.
Figure 20 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 20. Pseudischyrocerus caecus sp. nov. Paratype: male (2.5 mm), OCEANPROF II, BC-SUL, #59, 29 June 2003, 750 m, MNRJ 21225. Holotype: hyperadult male (6.2 mm), Campos Basin, 11 March 2006, 1058 m, ECOPROF, MNRJ 21604. Paratype: female, Campos Basin, 11 March 2006, 1058 m, ECOPROF, MNRJ 21604. Paratype: adult male OCEANPROF II, BC-SUL, #59, 29 June 2003, 750 m, MNRJ 21225. Scale bars: 0.1 mm.
Figure 18 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 18. Myersius denticaudatus sp. nov. Paratype: female (3.2 mm), OCEANPROF I, BC-NORTE, #59, 12 December 2002, 750 m, MNRJ 21227.
Figure 19 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 19. Pseudischyrocerus caecus sp. nov. Paratype: male (2.5 mm), OCEANPROF II, BC-SUL, #59, 29 June 2003, 750 m, MNRJ 21225. lAF and rAF from holotype male (6.2 mm), Campos Basin, 11 March 2006, 1058 m, ECOPROF, MNRJ 21604. Scale bars: 0.1 mm.
Figure 5. Characters 34–40. Uropod 3 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 5. Characters 34–40. Uropod 3, peduncle parallel-sided (34.1); broad proximally and narrow distally (34.2). Uropod 3 biramous (35.1), uniramous (35.2), absent (35.3). Uropod 3 rami or ramus longer than peduncle (36.1), shorter than peduncle (36.2). Uropod 3, outer ramus 2-articulate, second one rudimentary (37.1), 1-articulate (37.2). Telson longer than wide (38.1), wider than long (38.2). Telson entire (39.1), cleft (39.2). Telson dorsal margin without recurved spines (40.1); with recurved spines in patches (40.2); with recurved spines in rows (40.3). Telson tip without distolateral spines (41.1); with two distolateral spines (41.2). Species: (34.1, 36.1) Gammaropsis sp.; (40.1, 41.1) Bonnierella laurensi sp. nov.; (39.2, 40.3) Notopoma teresae sp. nov.; (35.3) Caribboecetes barbadensis Just, 1983 (redrawn from Just, 1984); (35.38.2, 39.1, 40.3) Pseudericthonius bousfieldi sp. nov.; (40.1, 41.1) Bonnierella campensis sp. nov.; (34.2, 38.1, 41.2) Myersius spinicaudatus gen. et sp. nov.; (35.3, 37.1) Pseudischyrocerus caecus sp. nov.; (37.2) Photis sarae.
Figure 16 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 16. Myersius denticaudatus sp. nov. Holotype: male (2.5 mm), OCEANPROF II, BC-SUL, #59, 29 June 2003, 750 m, MNRJ 21424.
Figure 2. Characters 9–15. Gnathopod 2 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 2. Characters 9–15. Gnathopod 2 male subchelate (9.1), carpochelate (9.2), (simple 9.3). Gnathopod 2 male, carpus shorter than propodus (10.1), longer than propodus (10.2), subequal to propodus (10.3). Gnathopod 2 female, carpus shorter than propodus (11.1), longer than propodus (11.2), subequal to propodus (11.3). Coxae 1–7. Coxae 1–5 longer than wide and coxae 6 and 7 wider than long (12.1); coxae 1–7 wider than long (12.2), coxae 1–4 longer than wide and coxae 5–7 wider than long (12.3). Coxa 4 margin smooth (13.1), serrate (13.2). Coxa 4 posterior margin not excavated (14.1), excavated (14.2). Coxa 5 with posterodorsal lobe (15.1), without posterodorsal lobe (15.2). Species: (9.1, 12.2, 13.1, 14.1) Bonnierella laurensi sp. nov.; (9.2, 10.3) Notopoma teresae sp. nov.; (12.3) Caribboecetes barbadensis Just, 1983 (redrawn from Just, 1984); (11.3) Runanga coxalis J.L. Barnard, 1961 (redrawn from J.L. Barnard, 1962); (9.3, 10.2, 11.2, 12.1, 15.2) Pseudericthonius bousfieldi sp. nov.; (10.1, 11.1, 14.2) Myersius spinicaudatus gen. et sp. nov. (12.1, 15.1) Pseudischyrocerus caecus sp. nov.
Figure 4. Characters 21–33. Pereopod 5 in On the phylogeny of Ischyroceridae (Amphipoda, Senticaudata, Corophiida), with the description of a new genus and eight new species from deep-sea Brazilian waters
Figure 4. Characters 21–33. Pereopod 5 carpus without denticles or robust setae on posteroventral margin (21.1); with denticles on posteroventral margin (21.2); with denticles and short robust setae on posteroventral margin (21.3). Pereopod 5 distal part (at least the propodus and dactylus) directed anteriorly (22.1); distal part directed posteriorly (22.2). Pereopod 6 distal part (at least the propodus and dactylus) directed anteriorly (23.1); distal part directed posteriorly (23.2). Pereopod 7 distal part (at least the propodus and dactylus) directed anteriorly (24.1); distal part directed posteriorly (24.2). Pleosomite without lateral ridges (25.1); with lateral ridges (25.2). Pleopods peduncle slender, not expanded (26.1); broad, expanded (26.2). Pleopod 2 inner ramus present, as long as outer ramus (27.1); reduced or absent (27.2). Urosomite 1 without dorsal spines (28.1); with dorsal spines (28.2). Uropod 1 peduncle with interamal process (29.1); with distoventral corona (29.2); without distoventral corona or process (29.3). Uropod 1 outer margin of outer ramus smooth (30.1); dentate (30.2). Uropod 2 biramous (31.1); uniramous (31.2); rami absent (31.3). Uropod 2, outer margin of rami smooth and with robust setae (32.1); dentate and without robust setae (32.2). Uropod 3, tip of outer ramus without spines (33.1); with spines (33.2); with plate bearing spines (33.3). Species: (27.1, 33.1) Gammaropsis sp.; (22.1, 23.1, 24.1, 25.1, 29.1, 30.2) Bonnierella laurensi sp. nov.; (21.2, 25.2, 26.1, 27.2, 30.1, 31.2, 32.2) Notopoma teresae sp. nov.; (21.3, 22.2, 23.2, 24.2, 26.2, 29.3, 31.3) Caribboecetes barbadensis Just, 1983 (redrawn from Just, 1984); (29.2, 31.1, 32.2, 33.2) Pseudericthonius bousfieldi sp. nov.; (21.1) Bonnierella campensis sp. nov.; (28.1) Myersius spinicaudatus gen. et sp. nov.; (33.3) Pseudischyrocerus caecus sp. nov.; (28.2) Bathyphotis tridentata.
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