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72 results for “Proteocephalidae”
Figure 9 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 9. Palaeogeographic map of the Middle Eocene, 40 Mya (C. Scotese, Palaeoatlas, v.3). Siluroid hosts of some major lineages of Gangesiinae are already present: Malapterurus in Africa, and Rita and Pangasius in Asia. Families of other siluroid hosts of Gangesiinae, such as Schilbeidae and Bagridae, have also originated by this time. Silurus is yet to appear. Gangesiinae have originated in the Indomalayan region by this time but are absent in Europe and Africa. Their presence in siluroids outside the Indomalayan region during this time is uncertain. Rectangular boxes with 'x' marks inside them indicate the absence of gangesiine tapeworms in catfish hosts. The '?' mark on catfishes indicates that the presence of Gangesiinae in these hosts is uncertain. Sigmoid marks indicate the presence of Gangesiinae in catfish hosts.
Figure 7 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 7. Present-day distribution of major lineages (genera) of Gangesiinae, showing varying levels of disjunct distribution in Electrotaenia, Gangesia, Postgangesia and Silurotaenia, and the endemic nature of other genera such as Pangasiocestus, Ritacestus and Vermaia.
Figure 6 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 6. Scanning electron micrographs of Gangesia mukutmanipurensis sp. nov. from Ompok bimaculatus. A, scolex, subapical view. B, scolex, dorsoventral view. C, detail of rostellum-like organ. D, sucker with coniform spinitriches on the outer rim. E, F, detail of outer rim of the sucker with coniform spinitriches. G, detail of capilliform filitriches on the rostellumlike organ. H, detail of coniform spinitriches on the rostellum-like organ. I, detail of gladiate spinitriches on the neck region.
Figure 5 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 5. Line drawings of Gangesia mukutmanipurensis sp. nov. from Ompok bimaculatus (specimen accession number in parentheses). A, scolex, subapical view (ZSI/W11086/1). B, C, scolex, dorsoventral view (ZSI/W11085/1 and ZSI/W11082/1/1). D, frontal section of the scolex (ZSI/W11087/1). E, mature proglottid, ventral view (ZSI/W11084/1). F, terminal genitalia (ZSI/W11083/1/2). G, egg drawn in distilled water. Abbreviations: cc, chromophil cell; cs, cirrus-sac; doc, dorsal osmoregulatory canal; eh, embryonic hook; em, embryophore; ga, genital atrium; mi, microtriches; oc, osmoregulatory canal; oe, outer envelope; on, oncosphere; ov, ovary; re, retractor muscles; ro, rostellum-like organ; su, sucker; te, testes; up, uterine pore; va, vagina; vf, vitelline follicles; voc, ventral osmoregulatory canal; vs, vaginal sphincter.
Figure 1 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 1. Phylogenetic interrelationships of basal groups of Onchoproteocephalidea with focus on the subfamilies Gangesiinae and Acanthotaeniinae based on the maximum likelihood analysis of the single gene lsrDNA (above) and COI (below) datasets. Nodal values depict SH-like approximated likelihood ratio test values (SH-aLRT) (10 000 replicates) followed by standard bootstrap values (1 000 replicates). Only values above 50 are shown. The subfamilies Acanthotaeniinae (green) and Gangesiinae (blue), along with the outgroups (grey), are set in colour.
Figure 2 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 2. Phylogenetic interrelationships of basal groups of Onchoproteocephalidea with focus on the subfamilies Gangesiinae and Acanthotaeniinae based on the maximum likelihood analysis of concatenated lsrDNA + COI data. Nodal values depict SH-like approximated likelihood ratio test values (SH-aLRT) (10 000 replicates) followed by standard bootstrap values (1000 replicates). Only values above 50 are shown. The subfamilies Acanthotaeniinae (green) and Gangesiinae (blue), along with the outgroups (grey), are set in colour.
Figure 3 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 3. Simplified relationships among the genera of the subfamilies Gangesiinae and Acanthotaeniinae after collapsing nodes with SH-aLRT ≤ 80% and BS ≤ 70–80% on the phylogenetic tree in Figure 2. This simplified tree, having essentially similar topology once the poorly supported nodes on the lsrDNA tree are collapsed, provides the basis for discussions of historical biogeography.
FIGURE 1 in Molecular data support monophyly of the recently erected Riggenbachiella (Cestoda: Proteocephalidae), parasites of Neotropical catfishes
FIGURE 1. Phylogram based on maximum likelihood (ML) analysis of partial (D1–D3 domains) of lsrDNA data for species of Riggenbachiella and other selected members of the Proteocephalidae. Taxon names are followed by their voucher accession number, host species, and GenBank accession numbers. Clades C and K (three representatives as outgroup) of de Chambrier et al. (2015) are shown at early nodes. Newly generated sequences are in bold.
Fig. 1 in Description of the first species of Pseudoendorchis (Cestoda: Proteocephalidae) with uniloculate suckers from the pimelodid catfish Megalonema platycephalum, with comments on the taxonomic importance of the terminal vagina
Fig. 1 Scanning electron micrographs of Pseudoendorchis megalonemi n. sp. from Megalonema platycephalum, Peru. (A) Scolex, frontal view. (B) Anterior (apical) part of scolex, latero-frontal view. (C) Strobila covered with numerous capilliform filitriches, interspersed with few gladiate spinitriches.
Fig. 3 in Description of the first species of Pseudoendorchis (Cestoda: Proteocephalidae) with uniloculate suckers from the pimelodid catfish Megalonema platycephalum, with comments on the taxonomic importance of the terminal vagina
Fig. 3 Line drawings of Pseudoendorchis megalonemi n. sp. from Megalonema platycephalum, Peru (A), and Pseudoendorchis auchenipteri (de Chambrier & Vaucher, 1999) from Auchenipterus osteomystax, Paraguay (B). (A) Gravid proglottid, holotype (MHNG-PLAT-0137399), ventral view. (B) Gravid proglottid, holotype (MHNG-PLAT-0024659), ventral view, modified from de Chambrier and Vaucher (1999). Abbreviations: Mg, Mehlis' gland; od, oviduct; oo, oocapt; ov, ovary; voc, ventral osmoregulatory canal.
b Fig. 4 Riggenbachiella amazonense n in Untangling convoluted taxonomy of Chambriella Rego, Chubb & Pavanelli, 1999 (Cestoda: Proteocephalidae), with erection of Riggenbachiella n. g. and the description of a new species from pimelodid catfishes in the Neotropical Region
b Fig. 4 Riggenbachiella amazonense n. sp. ex Phractocephalus hemioliopterus (A, C, E, H, I), Sorubimichthys planiceps (typehost; B, D, F, J) and Zungaro zungaro (G). A, Scolex, dorsoventral view (MHNH-PLAT 67054); B, Pregravid proglottis, ventral view (IPCAS C-749); C, Mature proglottis, ventral view (MHNH-PLAT 79199); D, Terminal genitalia, ventral view (IPCAS C-749); E, F, Cross-sections at level of cirrus-sac, detailed in F (MHNH-PLAT 22005, 94096); G, Cross-section, detail at posterior level of proglottis (MHNH-PLAT 19544); H, I, Cross-sections, detail at posterior and ovary levels of proglottides, respectively (MHNH-PLAT 22005); J, Eggs drawn from whole-mounted specimen (MHNH-PLAT 70835). Abbreviations: al, anterior sucker loculus; ci, cirrus; cs, cirrus-sac; do, dorsal osmoregulatory canal; em, bi-layered embryophore; gc, glandular cells; idc, internal sperm duct chambers; lm, internal longitudinal musculature; mg, Mehlis' gland; on, oncosphere; ov, ovary; pl, posterior sucker loculus; te, testes; ut, uterus; va, vas deferens; vi, vitelline follicles; vo, ventral osmoregulatory canal; vs, vaginal sphincter; vt, vitelloduct. Scale-bars: A, B, C, 500 lm; D, F, 100 lm; E, 250 lm; G, H, I, 50 lm; J, 20 lm
Figure 4 in The evolution of an ancient tapeworm lineage in its catfish hosts: vicariance, dispersal and diversification in Gangesiinae (Cestoda: Proteocephalidae)
Figure 4. Line drawings of Gangesia mukutmanipurensis sp. nov. from Ompok bimaculatus (specimen accession number in parentheses). A, gravid proglottid, ventral view (ZSI/W11083/1/2). B, gravid proglottid, dorsal view (ZSI/W11083/1/2). C, D, cross-sections at level of testicular field and ovary, respectively (ZSI/W11088/1 and ZSI/W11089/1). Abbreviations: doc, dorsal osmoregulatory canal; ilm, internal longitudinal muscles; lud, lateral uterine diverticula; Mg, Mehlis' gland; ov, ovary; sl, subtegumental layer; te, testes; ut, uterus; vf, vitelline follicles; voc, ventral osmoregulatory canal.
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International Brain Laboratory public data
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OpenNeuro
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