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160 results for “Osteoglossomorpha”
Supplementary material 1 from: Lavoué S, Zafirah Ghazali S, Amirul Firdaus Jamaluddin J, Azizah Mohd Nor S, Zain KMd (2020) Genetic evidence for the recognition of two allopatric species of Asian bronze featherback Notopterus (Teleostei, Osteoglossomorpha, Notopteridae). Zoosystematics and Evolution 96(2): 449-454. https://doi.org/10.3897/zse.96.51350
Table S1
Figure 39 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 39. Lateral line scales of osteoglossomorph fishes, taken from mid-body. A, Hiodon tergisus (UMA F10610, 100 mm SL). B, Chitala sp. (MCZ 156815, 420 mm SL). C, Petrocephalus simus (MCZ 50113, 70 mm SL). D, Pantodon buchholzi (MCZ 156814, 60 mm SL). E, Osteoglossum bicirrhosum (FMNH 109232a, 270 mm SL). F, Arapaima gigas (MCZ 156812, 160 mm SL). Anterior facing left. Scale bars = 1 mm.
Figure 27 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 27. Skulls of †Phareodus in lateral view. A, †Phareodus encaustus (UMA F10155; 480 mm SL). B, †Phareodus testis (UMA F11332, 260 mm SL). Note that there is not much difference in the shape of the preopercle between these two species (see Characters Not Used in Analysis). Also note that the subopercle, although not quite as reduced as in other taxa (e.g. Osteoglossum), is relatively small and is positioned along the anteroventral margin of the opercle. The specimen of †P. encaustus (UMA F10155) is the same as the one labelled as LG 6.1 by Grande (1984: fig. II.31). Anterior facing left.
Figure 16 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 16. Parasphenoid and vomer in ventral view. A, Elops saurus (UMA F10255, 425 mm SL). B, Alosa sapidissima (UMA F10359, 390 mm SL). C, Hiodon alosoides (UMA F10586, 273 mm SL). D, Osteoglossum bicirrhosum (UMA F10160, 365 mm SL). E, Pantodon buchholzi (UMA F11265, approx. 50 mm SL). F, Gnathonemus petersii (UMA F11267, approx. 140 mm SL). G, Heterotis niloticus (MCZ 50959, adult, unknown SL). H, Chitala chitala (UMA F10349, 437 mm SL). Note that the mesethmoid is fused to the vomer in Chitala and Heterotis. Anterior facing left. Illustration of Hiodon modified from Hilton (2002: fig. 31).
Figure 14 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 14. Skull roof of a juvenile specimen of Heterotis niloticus (UMA F10653, 75 mm SL) in dorsal view. A, photograph. B, line drawing. Note that some skull elements are not included in line drawing (e.g. posterior flanges of the parietals, see Fig. 13). The course of the sensory canals is outlined on the left side. At this stage, the frontals are still tapered slightly anteriorly, so that the anterior margin is narrower than the posterior margin (although this is not as extreme as in the 62 mm SL specimen illustrated by Taverne, 1977: fig. 95).
Figure 28 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 28. Maxilla and supramaxilla in lateral and ventral (= oral) views. A, Elops saurus (UMA F10255, 425 mm SL). B, Coregonus hoyi (FMNH 94848, 115 mm SL). C, Hiodon alosoides (UMA F10587, 272 mm SL). Anterior facing left. Illustrations of Hiodon modified from Hilton (2002: figs 38, 39).
Figure 7. A in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 7. A hypothesis of the interrelationships of the osteoglossomorph fishes based on the results of this analysis (see Figs 4 and 5). In this figure, I collapsed all nodes of the strict consensus tree shown in Fig. 5 that have no synapomorphies or are not supported by observed data (see Character Optimization and Node Support). Some more prominent characters (although not necessarily uniquely derived) supporting the various nodes are provided here. Osteoglossomorpha: parasphenoid teeth large and found along the length of the parasphenoid; supraorbital bone absent; four bones in the infraorbital series; supramaxillae absent. Hiodontidae: nasal bones tubular and strongly curved; posterodorsal spine on the opercle. Osteoglossiformes: bony process on the second hypobranchial; one ossified pair of hypohyals; six or fewer hypurals. Osteoglossoidei (= Osteoglossidae + Notopteridae): nasal bones meet each other in the midline; supratemporal commissure passing through the parietals; 15 or fewer branched caudal fin rays; one neural spine on ural centrum 1. Osteoglossidae: nasal bones flat and broad; palatoquadrate area behind and below the orbit completely covered by infraorbitals; scales with reticulate furrows over the entire scale. Heterotinae: enlarged first infraorbital; posterior bones of the lower jaw all separate; infrapharyngobranchial 3 divided into two elements. Osteoglossinae: opercle depth to width ratio about two or greater than two; first pectoral fin ray greatly enlarged and extremely long. Notopteridae: autogenous bony elements associated with the second ventral gill arch; abdominal scutes present as paired structures; posterior end of anal fin continuous with caudal fin. Mormyridae: proximal tip of infrapharyngobranchial 1 posteriorly directed; cleithrum with a broad medial lamina; scales with both radial and reticulate furrows. Mormyrinae: hypohyal greatly reduced in size; basihyal toothplate absent.
Figure 22 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 22. Hyomandibula in medial view. A, Albula vulpes (AMNH 93356SD, approx. 390 mm SL). B, Hiodon alosoides (UMA F10177, 267 mm SL). C, Scleropages formosus (UMA F11266, approx. 320 mm SL). Anterior facing left. Illustration of Hiodon modified from Hilton (2002: fig. 48), is of the right side, and is reversed so that anterior is facing left.
Figure 25 in Comparative osteology and phylogenetic systematics of fossil and living bony-tongue fishes (Actinopterygii, Teleostei, Osteoglossomorpha)
Figure 25. Suspensorium and opercular bones of Heterotis niloticus (MCZ 50959, adult, unknown SL) in lateral view. A, photograph. B, line drawing. Note the large pores for the preopercular sensory canal and the ossified autopalatine. The element labelled 'dpl + ecp' has been suggested in the past to be a fusion of the dermopalatine and the ectopterygoid, although no ontogenetic evidence supports this (see Character 30). Anterior facing left.
Figure 7 in Description of a new Eocene osteoglossid fish and additional information on †Singida jacksonoides Greenwood and Patterson, 1967 (Osteoglossomorpha), with an assessment of their phylogenetic relationships
Figure 7. Cladogram of relationships for the Osteoglossomorpha. A, Li et al. (1997b fig. 7). B, Hilton (2003: fig. 5). C, 50% majority rule consensus of five cladograms from the data matrix of Li et al. (1997b) with changes made to data for †Singida, and addition of the new genus. D, 50% majority rule consensus of 24 cladograms from the data matrix of Hilton (2003) with changes made to data for †Singida, and addition of data for the new genus. The branches of cladograms in C and D are supported in 100% of the trees except where otherwise noted. All the data in the original matrices were analysed, but in all the figures the species have been grouped by genera (e.g. those of Eohiodon and Hiodon) or families (e.g. Notopteridae, Mormyridae). † fossil taxa.
Figure 6 in Description of a new Eocene osteoglossid fish and additional information on †Singida jacksonoides Greenwood and Patterson, 1967 (Osteoglossomorpha), with an assessment of their phylogenetic relationships
Figure 6. Reconstruction of the caudal skeleton of †Singida jacksonoides, based predominantly on WM 314/96. Scale bar = 5 mm. Arrows indicate the unbranched principal rays.
Figure 4 in Ontogeny and homology of the basipterygoid articulation in Pantodon buchholzi (Teleostei: Osteoglossomorpha)
Figure 4. Neurocranium and left hyopalatine arch of Pantodon buchholzi, lateral view. A, 5.3 mm. B, 7.0 mm. C, 11.5 mm. D, 13.5 mm. E, 17.5 mm. F, 57.0 mm.
Figure 3 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 3 - Photographs of the holotype of Petrocephalus boboto sp. n. from Yangambi, Congo River, Democratic Republic of Congo. Top photograph, the holotype specimen (56.9 mm standard length) before preservation showing appearance in life (CUMV 96774); middle and bottom photographs represent the left and right sides of the preserved holotype. Scale bar equals one centimeter.
Figure 5 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 5 - Photographs of type specimens of Petrocephalus arnegardi sp. n. from Odzala-Kokua National Park, Congo River, Republic of the Congo. Top photograph, a paratype specimen (CUMV 92390, 72.0 mm standard length) before preservation showing appearance in life; middle and bottom photographs represent the left and right sides of the preserved holotype (CUMV 88074, 71.6 mm standard length). Scale bar equals one centimeter.
Figure 6 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 6 - Top photograph, the preserved holotype of Petrocephalus binotatus (MRAC 15191; 83.2 mm standard length) collected at Ikengo near the modern locality of Mbandaka, Equateur Province, in the Central Congo basin of Democratic Republic of Congo (Photo by Wilhelm Harder, reproduced courtesy of ETI Bioinformatics); bottom photograph, a specimen of Petrocephalus arnegardi (BMNH 2013.8.29.34) before preservation showing appearance in life, from Yangambi, Congo River, Democratic Republic of Congo.
Figure 2 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 2 - A EOD waveform of the holotype of Petrocephalus boboto sp. n. from Yangambi (CUMV 96774) B EOD waveform of the specimen JPS-511 of Petrocephalus arnegardi from Yangambi (BMNH 2013.8.29.125). Waveform plotted with head-positivity upwards.
Figure 1 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 1 - Hydrographic system of the Congo River basin and the type localities of Petrocephalus boboto sp. n. (black-filled star) at Yangambi, Democratic Republic of Congo, Petrocephalus arnegardi sp. n. (gray-filled star) at Odzala-Kokua National Park, Republic of the Congo and Petrocephalus binotatus (white-filled star) at Ikengo, near Mbandaka, Democratic Republic of Congo.
Figure 4 from: Lavoue S, Sullivan J (2014) Petrocephalus boboto and Petrocephalus arnegardi, two new species of African electric fish (Osteoglossomorpha, Mormyridae) from the Congo River basin. ZooKeys 400: 43-65. https://doi.org/10.3897/zookeys.400.6743
Figure 4 - Phylogeny of Petrocephalus (23 species, 52 specimens) estimated by maximum likelihood analysis of cytochrome b nucleotide sequences. Mormyrin Gnathonemus petersii, Mormyrops nigricans and Myomyrus macrops were used as outgroups to root the tree. Numbers at internal branches are bootstrap proportions (in %) shown only for interspecific relationships and when they exceed 50%. Black-filled vertical bars to the right of the tree indicate the river basin origins of the specimens. The scale bar corresponds to 0.04 substitutions per site. Petrocephalus boboto sp. n. and Petrocephalus arnegardi sp. n. are highlighted in gray.
Figure 9 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 9 - Non-type specimen of Cryptomyrus ona CUMV 98647, male, 98 mm SL, Mabounié River, tributary of Ngounié River, Ogooué River basin, Ngounié Province, Gabon. Left and right views of preserved specimen above radiograph. Scale bar = 1 centimeter.
Figure 6 from: Sullivan JP, Lavoué S, Hopkins CD (2016) Cryptomyrus: a new genus of Mormyridae (Teleostei, Osteoglossomorpha) with two new species from Gabon, West-Central Africa. ZooKeys 561: 117-150. https://doi.org/10.3897/zookeys.561.7137
Figure 6 - Mouth and dentary teeth in A Cryptomyrus ogoouensis holotype CUMV 98155 B Cryptomyrus ona holotype MNHN 2003-0425 C Cryptomyrus ona non-type CUMV 9864; dentary teeth in D Boulengeromyrus knoepffleri CUMV 81643 tag no. 2254 E Ivindomyrus marchei CUMV 96827 tag no. JPS-1043 F Ivindomyrus opdenboschi CUMV 89324 tag no. 5654 G Hippopotamyrus castor CUMV 89955 tag no. 6033 H Paramormyrops sp. "SN4" CUMV 81322. Scale bars = 1 millimeter.
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