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9 results for “Allocreadiidae”
FIGURE 2 in A new species of Auriculostoma (Trematoda: Allocreadiidae) from the intestine of Brycon guatemalensis (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28 S rDNA sequences, with a key to species of the genus
FIGURE 2. Scanning electron micrographs of Auriculostoma lobata n. sp. (A) Anterior end with oral sucker bearing muscular lobe on either side, genital atrium and ventral sucker. (B) Pair of muscular lobes with a short posterior ‘‘ free’ ’ end, and 4 apical dome-like papillae (white arrows). (C) Lateral view of muscular lobe. (D) Distribution of dome-like papillae over oral sucker, 6 anterior (white arrows), 4 on the inner surface (white triangle), and 5 on the outer surface (white arrows).
FIGURE 4 in A new species of Auriculostoma (Trematoda: Allocreadiidae) from the intestine of Brycon guatemalensis (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28 S rDNA sequences, with a key to species of the genus
FIGURE 4. Testes shape of the three species of Auriculostoma in Middle-American characiforms: A) A. totonacapanensis (holotype) from Astyanax mexicanus: testes oblique, with entire (smooth) margins. B) A. astyanace (holotype) from A. aeneus: testes in tandem, with entire (smooth) margins. C) A. lobata n. sp. from Brycon guatemalensis, Usumacinta River, Chiapas, Mexico, and D) A. lobata n. sp. from B. guatemalensis, Tenosique, Tabasco, Mexico: testes in tanden, with deeply lobated testes.
FIGURE 3. Phylogram representing a in A new species of Auriculostoma (Trematoda: Allocreadiidae) from the intestine of Brycon guatemalensis (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28 S rDNA sequences, with a key to species of the genus
FIGURE 3. Phylogram representing a hypothesis for the relationships of Auriculostoma lobata n. sp. with other allocreadiids. The tree represents the single best tree obtained from maximum likelihood analysis based on 28S rDNA sequences from allocreadiids and rooted using species of Prosthenhystera (Callodistomidae). Numbers near internal nodes indicate bootstrap support values (*= values 100%).
FIGURE 1. Auriculostoma lobata n in A new species of Auriculostoma (Trematoda: Allocreadiidae) from the intestine of Brycon guatemalensis (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28 S rDNA sequences, with a key to species of the genus
FIGURE 1. Auriculostoma lobata n. sp. (A) Ventral view of holotype. Scale bar = 500 µm. (B) Ventral view of ovarian complex of paratype. Scale bar = 100 µm. (C) Ventral view of terminal genitalia showing that the ejaculatory duct and the uterus open to the genital atrium (reconstruction made from the observation of several specimens). Scale bar = 500 µm. (D) Detail of the anterior and posterior testes of paratype. Scale bar = 500 µm. Abbreviations: AT= anterior testis, CS= cirrus sac, ED= ejaculatory duct, Eg= eggs, ES= esophagus, GA= genital atrium, GP= genital pore, MG= Mehlis´gland, OS= oral sucker, OU= opening of the uterus into genital atrium, Ov= ovary, PH= pharynx, PP= pars prostatica, PT= posterior testis, SR= seminal receptacle, SV= seminal vesicle, Ut= uterus, VF= vitelline follicles, VS= ventral sucker, VR= vitelline reservoir.
FIGURES 2–5 in The discovery of progenetic Allocreadium neotenicum Peters, 1957 (Digenea: Allocreadiidae) in water beetles (Coleoptera: Dytiscidae) in Great Britain
FIGURES 2–5. Allocreadium neotenicum (Peters, 1957) 2, 3. ex Hydroporus rufifrons. 2. Ventral view, uterus in outline. 3. Terminal genitalia. Abbreviations: cs, cirrus-sac; ed, ejaculatory duct; ga, genital atrium; gp, genital pore; os, outline of oral sucker; mt, metraterm; pgc, prostatic gland cell; sv, seminal vesicle; vs, outline of ventral sucker. 4, 5. ex Agabus melanarius. 4. Proximal female genitalia. Abbreviations: at, outline of anterior testis; ca, caecum, Lc, opening of Laurer's canal; ov, ovary; sr, seminal receptacle; vs, outline of ventral sucker. 5. Ventral view of immature specimen showing extent of excretory vesicle. Abbreviations: cs, outline of cirrus-sac; es, eyespot; ev, excretory vesicle; ov, ovary; ca, caecum; tt, testes. Scale bars: 2, 500μm; 3, 100 μm, 4, 5, 200μm.
FIGURE 1 in The discovery of progenetic Allocreadium neotenicum Peters, 1957 (Digenea: Allocreadiidae) in water beetles (Coleoptera: Dytiscidae) in Great Britain
FIGURE 1. PhyML analysis tree of 28S rDNA, including bootstrap results (% values) from the maximum likelihood (ML) and maximum parsimony (MP) analyses. The topology of the ML and MP trees was identical.
FIGURE 1. Margotrema resolanae n in A new species of Margotrema (Digenea, Allocreadiidae) from the leopard splitfin Xenotaenia resolanae (Cyprinodontiformes, Goodeidae) from west-central Mexico
FIGURE 1. Margotrema resolanae n. sp., A. Line drawing of Holotype, ventral view. Scale Bar 200µm. B. Scanning Electron Microscopy micrograph of body. Scale Bar 50 µm, and C. Detail of the oral sucker showing the distribution of 11 dome-like papillae. Scale Bar 50 µm.
FIGURE 2 in A new species of Auriculostoma (Trematoda: Allocreadiidae) from the intestine of Brycon guatemalensis (Characiformes: Bryconidae) from the Usumacinta River Basin, Mexico, based on morphology and 28 S rDNA sequences, with a key to species of the genus
FIGURE 2. Scanning electron micrographs of Auriculostoma lobata n. sp. (A) Anterior end with oral sucker bearing muscular lobe on either side, genital atrium and ventral sucker. (B) Pair of muscular lobes with a short posterior ''free'' end, and 4 apical dome-like papillae (white arrows). (C) Lateral view of muscular lobe. (D) Distribution of dome-like papillae over oral sucker, 6 anterior (white arrows), 4 on the inner surface (white triangle), and 5 on the outer surface (white arrows).
Figure 1 from: Bautista-Hernández CE, Monks S, Pulido-Flores G, Miranda R (2015) A new species of Paracreptotrema (Digenea, Plagiorchiformes, Allocreadiidae) infecting two species of poeciliids in Río Malila of the Río Pánuco basin, Hidalgo, México, with a key to the species of the genus. ZooKeys 482: 55-66. https://doi.org/10.3897/zookeys.482.8144
Figure 1 - Paracreptotrema rosenthali sp. n. A Ventral view of holotype; arrows indicate fragments of eyespot pigment B Cirrus sac; arrow indicates anteriormost margin of acetabulum. Scale bars: A = 250 µm; B = 25 µm.
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