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opencc-by-4.0Dec 2023View details →

Fig. 1. Icelanonchohaptor tropicalis n in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 1. Icelanonchohaptor tropicalis n. sp. on the Usumacinta buffalo Ictiobus meridionalis (Catostomidae) from the Usumacinta river basin (southern Mexico). A – whole mount (composite, dorsal view); B – vagina; C – copulatory complex (ventral view); D – egg; E – Haptor; F – Hook. Abbreviations: mco – male copulatory organ; ap – accessory piece; sv – seminal vesicle.

opencc-by-4.0Dec 2023View details →

Fig. 3 in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 3. Haptoral and copulatory complex sclerites of Heteropriapulus heterotylioides n. sp. on Pterygoplichthys pardalis (Loricariidae) from the Usumacinta river basin (southern Mexico). A, B, and C – copulatory complexes (A and C in dorsal view; B in ventral view); D – ventral anchor; E – hook; F, G and H – dorsal anchors; I and J – ventral bars; K and L – dorsal bars; M – vaginal tube.

opencc-by-4.0Dec 2023View details →

Fig. 2. Heteropriapulus simplexioides n in New and previously known ectoparasitic monogenoids (Platyhelminthes) on native and non-native fishes from tributaries of the Usumacinta River basin (southern Mexico), a Neotropical transition zone

Fig. 2. Heteropriapulus simplexioides n. sp. on Pterygoplichthys pardalis (Loricariidae) from the Usumacinta river basin (southern Mexico). A – whole mount (composite, ventral view); B, C, and E – copulatory complexes; D – ventral anchor; F – dorsal anchor; G – hook; H – dorsal bar; I – ventral bar.

Fig. 4 in Classification of pleurodire polystomes (Platyhelminthes, Monogenea, Polystomatidae) revisited with the description of two new genera from the Australian and Neotropical Realms

Fig. 4. Haptor of Polystomoides brasiliensis showing the deep incisions between suckers. Scale bar = 200 μm.

Fig. 3 in Classification of pleurodire polystomes (Platyhelminthes, Monogenea, Polystomatidae) revisited with the description of two new genera from the Australian and Neotropical Realms

Fig. 3. Violin plot of the genital spines number. A = Aussietrema infecting pleurodires; B = Neopolystoma infecting pleurodires; C = Polystomoides infecting pleurodires; D = Uropolystomoides infecting pleurodires of the Australian Realm; E = Uropolystomoides infecting pleurodires of the Ethiopian Realm; F = Fornixtrema infecting cryptodires; G = Neopolystoma infecting cryptodires; G = Polystomoides infecting cryptodires; I = Uropolystomoides infecting cryptodires; J = Apalonotrema moleri infecting a cryptodire host. K = Uteropolystomoides nelsoni infecting a cryptodire host.

Fig. 1 in Classification of pleurodire polystomes (Platyhelminthes, Monogenea, Polystomatidae) revisited with the description of two new genera from the Australian and Neotropical Realms

Fig. 1. Lateroventral vaginae as observed for Neopolystoma kreffti (A), Uropolystomoides scottae (B) and Polystomoides brasiliensis (C). Annotations: gb, genital bulb; ov, ovary; te, testis; vg, vaginae. Scale bar = 200 μm.

Fig. 6 in Classification of pleurodire polystomes (Platyhelminthes, Monogenea, Polystomatidae) revisited with the description of two new genera from the Australian and Neotropical Realms

Fig. 6. Hamuli of Polystomoides spp. A = Polystomoides japonicum Ozaki, 1935; B = Polystomoides magdalenensis Lenis and Garcia-Prieto, 2009; C = Polystomoides ocellatum (Rudolphi, 1819); D = Polystomoides pauli (Timmers and Lewis, 1979); E = Polystomoides platynotae Combes and Rohde, 1979; F = Polystomoides rohdei; G = Polystomoides brasiliensis; H = Polystomoides fuquesi Man´e-Garzon and Gil, 1962; I = Polystomoides uruguayensis Man´e-Garzon and Gil, 1961. Scale bar = 50 μm.

Fig. 2 in Classification of pleurodire polystomes (Platyhelminthes, Monogenea, Polystomatidae) revisited with the description of two new genera from the Australian and Neotropical Realms

Fig. 2. Violin plot of inter-vaginal distance as % of the body width at the level of the vagina. The plot visualises the probability density of the data at different values. Within each violin is a marker for the median of the data as well as marker indicating the interquartile range. A = Aussietrema infecting pleurodires; B = Neopolystoma infecting pleurodires; C = Polystomoides infecting pleurodires; D = Uropolystomoides infecting pleurodires of the Australian Realm; E = Uropolystomoides infecting pleurodires of the Ethiopian Realm; F = Fornixtrema infecting cryptodires; G = Neopolystoma infecting cryptodires; G = Polystomoides infecting cryptodires; I = Uropolystomoides infecting cryptodires; J = Apalonotrema moleri infecting a cryptodire host. K = Uteropolystomoides nelsoni infecting a cryptodire host.

Fig. 3 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 3. Callioplana marianae sp. nov. A–B. Paratype, ⚥ (UMAR PLAT–047). C. Holotype, ⚥ (UMAR PLAT–046). D. Paratype, ⚥ (UMAR PLAT–048).A. Diagrammatic representation of complete specimen. B. Diagrammatic representation of nuchal tentacle and eyes. C. Diagrammatic representation of the male and female reproductive systems, in frontal histological sections. D. Diagrammatic representation of the male and female reproductive systems, in sagittal section. Abbreviations: b = brain; ce = cerebral eyes; cg = cement gland; dlv = duct of Lang's vesicle; fg = female gonopore; gcm = globuli cell masses; lv = Lang's vesicle; ma = male atrium; mg = male gonopore; nt = nuchal tentacle; p = pharynx; pv = prostatic vesicle; spv = spermiducal vesicle; st = stylet; sv = seminal vesicle; te = tentacular eyes; u = uterus; va = vagina.

Fig. 2 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 2. Callioplana marianae sp. nov. A, D–G. Paratype, ⚥ (UMAR-PLAT–048). B–C, H. Holotype, ⚥ (UMAR-PLAT–046). A, D–G. Male and female reproductive system, in frontal histological sections. B–C, H. Male and female reproductive system, in sagittal sections. Abbreviations: cg = cement gland; fg = female gonopore; lv = Lang's vesicle; ma = male atrium; mg = male gonopore; pp = penis papilla; pv = prostatic vesicle; spv = spermiducal vesicle; sv = seminal vesicle; st = stylet; u = uterus; va = vagina.

Fig. 5 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 5. State of knowledge of the polyclads described and recorded in the Tropical Eastern Pacific; species accumulation curve by decade.

Fig. 4 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 4. State of knowledge of the polyclads and frequency of described and recorded species by decade in the Tropical Eastern Pacific.

Fig. 1 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 1. Callioplana marianae sp. nov., paratype, ⚥ (UMAR PLAT–047). A. Specimen in vivo. B. Specimen preserved in ethanol. C–D. Specimen stained in Mayer's carmalum and cleared in methyl salicylate. E–I. Details of C, in whole mount. E–F, H. Anterior region of the body. E. Brain. F. Nuchal tentacle. G. Pharynx. H. Tentacular and cerebral eyes. I. Male and female reproductive system. Abbreviations: b = brain; ce = cerebral eyes; gcm = globuli cell masses; lv = Lang's vesicle; nt = nuchal tentacle; p = pharynx; pp = penis papilla; pv = prostatic vesicle; sv = seminal vesicle; te = tentacular eyes; u = uterus.

Fig. 6 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Fig. 6. Historical records of polyclads species distribution in the Tropical Eastern Pacific. The number outside the parentheses indicates the total number of described and recorded species, while the number inside the parentheses indicates those with a type locality in the area.

opencc-zeroJan 2024View details →

Linked collectors and determiners for: ' Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida).

Natural history specimen data linked to collectors and determiners held within, "' Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9dd11965-9958-4665-aef8-d4b9d8d458f0">https://bionomia.net/dataset/9dd11965-9958-4665-aef8-d4b9d8d458f0</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9dd11965-9958-4665-aef8-d4b9d8d458f0">https://gbif.org/dataset/9dd11965-9958-4665-aef8-d4b9d8d458f0</a>. Formatted as a Frictionless Data package.

opencc-zeroJan 2024View details →

Linked collectors and determiners for: Parasitic Platyhelminthes Collections.

Natural history specimen data linked to collectors and determiners held within, "Parasitic Platyhelminthes Collections". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/82bb6da8-f762-11e1-a439-00145eb45e9a">https://bionomia.net/dataset/82bb6da8-f762-11e1-a439-00145eb45e9a</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/82bb6da8-f762-11e1-a439-00145eb45e9a">https://gbif.org/dataset/82bb6da8-f762-11e1-a439-00145eb45e9a</a>. Formatted as a Frictionless Data package.

Table 1 in The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species

Table 1. Comparison of the morphological characters of Callioplana marianae sp. nov. with other two species of the genus.<table><tbody><tr><th>Taxa</th><th>Callioplana marginata</th><th>Callioplana evelinae</th><th>Callioplana marianae sp. nov.</th></tr></tbody><tbody><tr><th>References</th><td>Stimpson 1857: 4, 11; Yeri & Kaburaki 1918: 31–34, pl. 1 fig. 1, text figs 35–37</td><td>Marcus 1954: 476–479, 485, figs 71–76</td><td>This study</td></tr><tr><th>Type locality</th><td>? Oshima Island, Japan</td><td>San Sebastian Island, Brazil</td><td>Camarón Beach, Oaxaca, Mexico</td></tr><tr><th>Distribution</th><td>Referred by Stimpson as Ousima Island, Sunosaki and Osaka, Japan</td><td>San Sebastian Island, Brazil</td><td>Only known from Oaxaca, Mexico</td></tr><tr><th></th><td></td><td>Intertidal, breakwater zone; between woods, coarse sand and rocks;</td><td></td></tr><tr><th>Habitat</th><td>Under rocks; depth 1.25 m</td><td>sharing habitat with algae of the genus Padina, polychaetes as Polygordius and cephalochordates</td><td>Intertidal, breakwater zone; under rocks</td></tr><tr><th>Body (Long × wide mm)</th><td>Oval (50–30 × 15–7)</td><td>Oval (10 × 4)</td><td>Elliptical (15–20 × 10–12) (Figs 1A–D, 3A)</td></tr><tr><th></th><td></td><td>Color ivory, with small brownish spots condensed into three fine</td><td></td></tr><tr><th>Dorsal coloration and colour pattern</th><td>Black-brown with a reddish-orange margin (Stimpson 1857); velvety black, reddish-brown margin (Yeri & Kaburaki 1918)</td><td>longitudinal grooves; transverse red stripes (juveniles) or black (adults) in front of tentacles; black spots on the anterior margin giving the appearance of marginal eyes</td><td>Beige background coloration, with light brown and white pigmentation that produce a reticulated appearance (Fig. 1A–B)</td></tr><tr><th>Nuchal tentacles</th><td>Conical, orange in the apical region (Yeri & Kaburaki 1918)</td><td>Pointed, brown colored in the apical region</td><td>Rudimentary nipple-shaped (Figs 1F, 3B)</td></tr><tr><th>Prostatic vesicle morphology and position</th><td>Oval, located anterior and dorsal to the seminal vesicle (Yeri & Kaburaki 1918)</td><td>Oval, located ventral to the seminal vesicle</td><td>Oval, anterior to the seminal vesicle (Figs 1I, 2D, 3C–D)</td></tr><tr><th>Penis papilla</th><td>Elongated and slender cylindrical, covered by a sheath (Yeri & Kaburaki 1918)</td><td>Elongate</td><td>Short (Fig. 2F)</td></tr><tr><th>Stylet</th><td>Absent</td><td>Absent</td><td>Present (Figs 2B, G, 3C–D)</td></tr><tr><th>Lang’s vesicle</th><td>Double or bifurcated, anterior to the male gonopore</td><td>Double or bifurcated, anterior to the male gonopore</td><td>Tripartite, posterior to the male gonopore (Figs 1I, 2A, 3C–D)</td></tr></tbody></table>

opencc-zeroJan 2024View details →

Linked collectors and determiners for: Colección de Policládidos (Platyhelminthes: Polycladida) de la zona intermareal de la región de Santa Marta.

Natural history specimen data linked to collectors and determiners held within, "Colección de Policládidos (Platyhelminthes: Polycladida) de la zona intermareal de la región de Santa Marta". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/c9287046-fe89-4e91-a8c5-536f36e1d3c6">https://bionomia.net/dataset/c9287046-fe89-4e91-a8c5-536f36e1d3c6</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/c9287046-fe89-4e91-a8c5-536f36e1d3c6">https://gbif.org/dataset/c9287046-fe89-4e91-a8c5-536f36e1d3c6</a>. Formatted as a Frictionless Data package.

opencc-zeroNov 2024View details →

FIG. 3. — Gieysztoria reta n in A new species of Gieysztoria Ruebush & Hayes, 1939 (Platyhelminthes, Rhabdocoela, Dalyelliidae) from Argentina with comments on geographical distribution of the genus in the Neotropical region

FIG. 3. — Gieysztoria reta n. sp. CLSM images of whole-mounts labeled with rhodamine-phalloidin showing the muscle arrangement: A, B, caudal body section from dorsal to ventral plane; C-F, caudal body section viewed from the right side toward the left side to sagittal plane. Images A, B and C-F correspond to two different specimens. Numbers 1-4 indicate circular fibers of gonopore sphincter; dashed lines outline the vitellaria area. Continuous arrow indicates strong muscle fiber of bursa cavity. Dashed arrow indicates muscle fiber that associates the uterus bend with the copulatory bursa. Abbreviations: b1, copulatory bursa cavity 1; b2, copulatory bursa cavity 2; c, cilia; cb, copulatory bursa; cga, common genital atrium; cm, circular muscle fibers of the body wall; cma, circular muscle fibers of common genital atrium; cmb1, circular muscles of the bursa cavity 1; cmb2, circular muscles of bursa cavity 2; dm, diagonal muscle fibers of the body wall; e, egg; ed, ejaculatory duct; ep, epidermis; gp, gonopore; i, intestine; ic, insertion cavity of s1 spine; ov, ovary; ph, pharynx; pv, prostate vesicle; s, septum; sv, seminal vesicle; svm, muscular wall of seminal vesicle; s4, group of dorsal hollow spines; t, testes; ub, uterus bend; vd, vasa deferentia; vi, vitellaria. Scale bars: A, B, 50 μm; C, D, E, F 40 μm.