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54 results for “Eucestoda”
FIG. 1. — Orygmatobothrium schmittii n in A new Orygmatobothrium Diesing, 1863 (Eucestoda, Tetraphyllidea) parasite of Mustelus schmitti Springer, 1939 (Carcharhiniformes, Triakidae) from the southwestern Atlantic Ocean
FIG. 1. — Orygmatobothrium schmittii n. sp.; A, scolex; B, gravid proglottid (ventral view); C, cross section throught proglottid at level of ovary; D, detail of terminal genitalia with everted cirrus (lateral view); E, egg. Abbreviations: d, dorsal; v, ventral; o, ovary; od, oviduct; dod, dorsal osmorregulatory duct; vod, ventral osmoregulatory duct; mg, mehlis glands; va, vagin; vf, vitelline follicles; u, uterus. Scale bars: A-C, 0.2 mm; B, 1 mm; D, 0.05 mm; E, 0.01 mm.
Fig. 5 in Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon
Fig. 5. Scanning electron micrographs of Ophiotaenia karipuna n. sp. A, subapical view of the scolex (arrows indicate apical organ). B, scolex latero–ventral view. C, detail of the apex of scolex (arrows indicate apical organ). D, tegument surface on the upper edge of the sucker. E, tegument surface of luminal region of suckers. F, tegument surface between suckers and neck. Scale–bars: A, B, 100 μm; C, E, 5 μm; D, 10 μm; F, 30 μm.
Figura 1 in Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon
Figura 1. Line drawings of Ophiotaenia arandasi. A, scolex, frontal view. B, mature proglottid. C, gravid proglottid. D, terminal genitalia, ventro–dorsal. E, fully formed egg with fully developed embryonic hooks in the oncosphere. F–G, sections at the level of the cirrus–sac and the ovary, respectively. Scale–bars: A, C 200 μm; B 100 μm; D 100 μm; E 25 μm; F, G 100 μm.
Fig. 4 in Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon
Fig. 4. Line drawings of Ophiotaenia karipuna n. sp. from Brazilian Amazon. A, section at the level of cirrus–sac. B, section at level of testes. C, section at level of ovary. D, terminal genitalia, ventro–dorsal. E, fully formed egg with fully developed embryonic hooks in the oncosphere. Scale–bars: A, B, C, D, 50 μm; E, 25 μm.
Fig. 3 in Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon
Fig. 3. Line drawings of Ophiotaenia karipuna n. sp. from Brazilian Amazon. A, scolex, frontal view. B, mature proglottid, ventral view. C, gravid proglottid, ventro–dorsal view. Scale–bars: A, B, C, 200 μm. Abbreviations: Apical organ, AO.
Figura 2 in Ophiotaenia karipuna n. sp. (Eucestoda: Proteocephalidae), a parasite of Erythrolamprus miliaris (Linnaeus, 1758), with redescription of Ophiotaenia arandasi (Santos and Rolas, 1973) from the Brazilian Amazon
Figura 2. Scanning electron micrographs of Ophiotaenia arandasi. A, dorso-ventral view of the scolex. B, sub-lateral view of the scolex. C, microtriches at the apex of the scolex. D, luminal surface of the sucker. E, upper surface of the neck. F, posterior surface of the neck. Scale–bars: A 100 μm; B 50 μm; C, E 5 μm; F 10 μm.
Fig. 5 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 5. Maximum likelihood phylogenetic tree of Kontrimavichusia Makarikov & Binkienė, 2022 and Hymenolepis Weinland, 1858 based on analysis of partial sequences of the 28S rRNA gene. Bootstrap support given for maximum likelihood analysis based on 1000 replicates. Bootstrap support values lower than 70% are not shown.
Fig. 4 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 4. Kontrimavichusia hobergi sp. nov. A. Paratype (ISEA AM17-236#1), cirrus and vagina, ventral view. B. Holotype (ISEA AM17-236#3), pregravid proglottis, showing appearance of uterine diverticula, dorsal view. C. Holotype, gravid proglottis, showing labyrinthine uterus, dorsal view. D. Holotype, egg. E. Holotype, embryonic hooks. Abbreviations: al = anterolateral; m = median; pl = postero-lateral. Scale bars: A = 50 µm; B–C = 300 µm; D = 20 µm; E = 10 µm.
Fig. 1 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 1. Kontrimavichusia testiculata sp. nov. A. Holotype (ISEA AM14-134#1), scolex, dorso-ventral view. B. Paratype (ISEA AM14-147#2), scolex, sub-lateral view. C. Paratype (ISEA AM14-142#2), rostellar hooks in profile and frontal view (note narrow hook guard). D. Holotype, male mature proglottides, dorsal view. E. Holotype, hermaphroditic mature proglottis, dorsal view. F. Paratype (ISEA AM14-147#2), genital ducts, dorsal view. Scale bars: A–B, F = 100 µm; C = 10 µm; D–E = 300 µm.
Fig. 6 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 6. Maximum likelihood phylogenetic tree of species of Kontrimavichusia Makarikov & Binkienė, 2022 based on analysis of partial sequences of the nad1 gen. Bootstrap support given for maximum likelihood analysis based on 1000 replicates. Bootstrap support values lower than 70% are not shown.
Fig. 3 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 3. Kontrimavichusia hobergi sp. nov. A. Paratype (ISEA AM17-242), scolex, dorso-ventral view. B. Paratype (ISEA AM1 17-243#3), scolex, sub-lateral view. C. Holotype (ISEA AM17-236#3) (left) and paratype (ISEA AM 17-236#2) (centre, right), rostellar hooks in profile and frontal view (note narrow hook guard). D. Holotype, male mature proglottides, dorsal view. E. Holotype, hermaphroditic mature proglottis, dorsal view. F. Holotype, genital ducts, dorsal view. Scale bars: A–B, F = 100 µm; C = 10 µm; D–E = 300 µm.
Fig. 2 in New species of Kontrimavichusia Makarikov & Binkienė, 2022 (Eucestoda: Hymenolepididae) from arvicoline rodents (Rodentia: Cricetidae) from the North Caucasus
Fig. 2. Kontrimavichusia testiculata sp. nov. A. Paratype (ISEA AM14-147#2), cirrus and vagina, ventral view. B. Holotype (ISEA AM14-134#1), pregravid proglottis, showing appearance of uterine diverticula, dorsal view. C. Holotype, gravid proglottis, showing labyrinthine uterus, dorsal view. D. Holotype, egg. E. Holotype, embryonic hooks. Abbreviations: al = anterolateral; m = median; pl = postero-lateral. Scale bars: A = 50 µm; B–C = 300 µm; D = 20 µm; E = 10 µm.
Figure 1 in Cryptic genetic diversity and host specificity of Bothriocephalus acheilognathi Yamaguti, 1934 (Eucestoda: Bothriocephalidea)
Figure 1. Sample localities of Bothriocephalus acheilognathi studied in China. The code number is corresponding to the locality in Table 1.
Figiure 3 in Cryptic genetic diversity and host specificity of Bothriocephalus acheilognathi Yamaguti, 1934 (Eucestoda: Bothriocephalidea)
Figiure 3. Phylogenetic relationships of Bothriocephalus based on the ribosoml internal transcribed spacer sequences (ITS1+ITS2) using maximum likelihood (ML) method. Numbers near branch node are the bootstrap support value for ML, maximum parsimoy (MP), and posterior probability for Bayesian inference (BI).
Data from: Systematics and diversification of Anindobothrium Marques, Brooks & Lasso, 2001 (Eucestoda: Rhinebothriidea)
Tapeworms of the genus Anindobothrium Marques, Brooks & Lasso, 2001 are found in both marine and Neotropical freshwater stingrays of the family Potamotrygonidae. The patterns of host association within the genus support the most recent hypothesis about the history of diversification of potamotrygonids, which suggests that the ancestor of freshwater lineages of the Potamotrygonidae colonized South American river systems through marine incursion events. Despite the relevance of the genus Anindobothrium to understand the history of colonization and diversification of potamotrygonids, no additional efforts were done to better investigate the phylogenetic relationship of this taxon with other lineages of cestodes since its erection. This study is a result of recent collecting efforts to sample members of the genus in marine and freshwater potamotrygonids that enabled the most extensive documentation of the fauna of Anindobothrium parasitizing species of Styracura de Carvalho, Loboda & da Silva, Potamotrygon schroederi Fernández-Yépez, P. orbignyi (Castelnau) and P. yepezi Castex & Castello from six different countries, representing the eastern Pacific Ocean, Caribbean Sea, and river basins in South America (Rio Negro, Orinoco, and Maracaibo). The newly collected material provided additional specimens for morphological studies and molecular samples for subsequent phylogenetic analyses that allowed us to address the phylogenetic position of Anindobothrium and provide molecular and morphological evidence to recognize two additional species for the genus. The taxonomic actions that followed our analyses included the proposition of a new family, Anindobothriidae fam. n., to accommodate the genus Anindobothrium in the order Rhinebothriidea Healy, Caira, Jensen, Webster & Littlewood, 2009 and the description of two new species — one from the eastern Pacific Ocean, A. carrioni sp. n., and the other from the Caribbean Sea, A. inexpectatum sp. n. In addition, we also present a redescription of the type species of the genus, A. anacolum (Brooks, 1977) Marques, Brooks & Lasso, 2001, and of A. lisae Marques, Brooks & Lasso, 2001. We also discuss the paleogeographical events mostly linked with the diversification of the genus and the protocols adopted to uncover cryptic diversity in Anindobothrium.
FIGURE 13 in Parasite diversity at the Holarctic nexus: species of Arostrilepis (Eucestoda: Hymenolepididae) in voles and lemmings (Cricetidae: Arvicolinae) from greater Beringia
FIGURE 13. Bayesian phylogeny for Arostrilepis spp. based on cytochrome b. Circles on branches indicate nodes with Bayesian posterior probabilities of 0.95 or greater. Numbers inside circles or on branches indicate maximum likelihood bootstrap values greater than 60. Four letter host identification codes in parentheses following Arostrilepis species names indicate all primary hosts from which each parasite species has been reported. Underlined host codes denote hosts from which parasites were sampled to build this phylogeny. Host identifications are as follows: Aram—Arvicola amphibius, Arsc—A. scherman, Chni - Chionomys nivalis, Lesi - Lemmus sibiricus, Letr—L. trimucronatus, Mysc - Myopus schisticolor, Sybo—Synaptomys borealis, Miag - Microtus agrestis, Miar—M. arvalis, Milo—M. longicaudus, Mima—M. maximowiczii, Mimi—M. miurus, Mimu—M. multiplex, Mioe—M. oeconomus, Mipe—M. pennsylvanicus, Mixa—M. xanthognathus, Myga —Myodes gapperi, Mygl—M. glareolus, Myre—M. rex, Myrf—M. rufocanus, Myrt—M. rutilus.
FIGURE 8 in Parasite diversity at the Holarctic nexus: species of Arostrilepis (Eucestoda: Hymenolepididae) in voles and lemmings (Cricetidae: Arvicolinae) from greater Beringia
FIGURE 8. Arostrilepis beringiensis (Kontrimavichus & Smirnova, 1991) based on voucher specimens from the Nearctic. A. Dorsoventral view of scolex (MSB 1234); B. Cirrus (MSB 1233); C. Hermaphroditic mature proglottis (MSB 1234); D. Egg (MSB 1228). Scale bars: A = 200 µm; B, D = 20 µm; C = 500 µm.
FIGURE 7 in Parasite diversity at the Holarctic nexus: species of Arostrilepis (Eucestoda: Hymenolepididae) in voles and lemmings (Cricetidae: Arvicolinae) from greater Beringia
FIGURE 7. Arostrilepis rauschorum sp. n. A. Paratype (MSB 1363), cirrus; B. Egg (MSB 1216); C. Holotype, distal part of the vagina (MSB 1208); D. Holotype, gravid proglottis. Scale bars: A, B = 20 µm; C = 100 µm; D = 500 µm.
FIGURE 5 in Parasite diversity at the Holarctic nexus: species of Arostrilepis (Eucestoda: Hymenolepididae) in voles and lemmings (Cricetidae: Arvicolinae) from greater Beringia
FIGURE 5. Arostrilepis cooki sp. n. A. Paratype (MSB 1250), cirrus; B. Holotype, egg; C. Holotype, distal part of the vagina; D. Holotype, gravid proglottis. Scale bars: A, B = 20 µm; C = 100 µm; D = 500 µm.
FIGURE 4 in Parasite diversity at the Holarctic nexus: species of Arostrilepis (Eucestoda: Hymenolepididae) in voles and lemmings (Cricetidae: Arvicolinae) from greater Beringia
FIGURE 4. Arostrilepis cooki sp. n. A. Paratype (MSB 1245), dorsoventral view of scolex; B. Paratype (MSB 1217), dorsoventral view of scolex; C. Holotype, male mature proglottides (MSB 1244); D. Holotype, hermaphroditic mature proglottides. Scale bars: A, B = 200 µm; C, D = 500 µm.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.