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116 results for “Glossiphoniidae”
Figure 2 from: Moser B, T. Briggler J, J. Richardson D, D. Schuette C, I. Hammond C, A. Hopkins W, A. Lazo-Wasem E (2013) Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida). ZooKeys 338: 1-10. https://doi.org/10.3897/zookeys.338.5995
Figure 2 - Holotype specimen of Placobdella cryptobranchii, USNM 54365, pre-anal papillae (arrows). Scale bar equals 0.5 mm.
Figure 1 from: Moser B, T. Briggler J, J. Richardson D, D. Schuette C, I. Hammond C, A. Hopkins W, A. Lazo-Wasem E (2013) Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida). ZooKeys 338: 1-10. https://doi.org/10.3897/zookeys.338.5995
Figure 1 - Holotype specimen of Placobdella cryptobranchii, USNM 54365, dorsal surface. Scale bar equals 2 mm.
Figure 3 from: Moser B, T. Briggler J, J. Richardson D, D. Schuette C, I. Hammond C, A. Hopkins W, A. Lazo-Wasem E (2013) Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida). ZooKeys 338: 1-10. https://doi.org/10.3897/zookeys.338.5995
Figure 3 - Dorsal surface of Placobdella cryptobranchii. A Living, YPM IZ 06339 B Preserved, YPM IZ 06340. Scale bar equals 2 mm.
Figure 4 from: A. Hopkins W, Moser B, Garst D, J. Richardson D, I. Hammond C, A. Lazo-Wasem E (2014) Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis). ZooKeys 378: 83-101. https://doi.org/10.3897/zookeys.378.6545
Figure 4 - Internal anatomy of Placobdella appalachiensis sp. n., Paratype USNM 1232939 collected from an adult eastern hellbender (Cryptobranchus alleganiensis) from stream reach A3 in southwest Virginia, USA. Ventral view, atrial cornuae (AC), ejaculatory duct (ED), intestinal ceca (IC), proboscis (Pr), testisac (T). Scale bar equals 2 mm.
Figure 3 from: A. Hopkins W, Moser B, Garst D, J. Richardson D, I. Hammond C, A. Lazo-Wasem E (2014) Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis). ZooKeys 378: 83-101. https://doi.org/10.3897/zookeys.378.6545
Figure 3 - Ventral surface of Placobdella appalachiensis sp. n., Holotype USNM 1232924 collected from an adult eastern hellbender (Cryptobranchus alleganiensis) from stream reach A3 in southwest Virginia, USA. Scale bar equals 1 mm.
Figure 1 from: A. Hopkins W, Moser B, Garst D, J. Richardson D, I. Hammond C, A. Lazo-Wasem E (2014) Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis). ZooKeys 378: 83-101. https://doi.org/10.3897/zookeys.378.6545
Figure 1 - Map of two streams in southwest Virginia, USA where hellbenders were collected from 8 stream reaches over 3 consecutive years. Leeches were only detected in stream reach A3.
Figure 2 from: A. Hopkins W, Moser B, Garst D, J. Richardson D, I. Hammond C, A. Lazo-Wasem E (2014) Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis). ZooKeys 378: 83-101. https://doi.org/10.3897/zookeys.378.6545
Figure 2 - Dorsal surface of Placobdella appalachiensis sp. n., Holotype USNM 1232924 collected from an adult eastern hellbender (Cryptobranchus alleganiensis) from stream reach A3 in southwest Virginia, USA. Scale bar equals 1 mm.
Figure 5 from: A. Hopkins W, Moser B, Garst D, J. Richardson D, I. Hammond C, A. Lazo-Wasem E (2014) Morphological and molecular characterization of a new species of leech (Glossiphoniidae, Hirudinida): Implications for the health of its imperiled amphibian host (Cryptobranchus alleganiensis). ZooKeys 378: 83-101. https://doi.org/10.3897/zookeys.378.6545
Figure 5 - Relationship between total body length (cm) of eastern hellbenders (Cryptobranchus alleganiensis) and the number of leeches (Placobdella appalachiensis sp. n.) they harbored. All hellbenders were collected from stream reach A3 in southwest Virginia, USA.
Figure 3 from: Beresic-Perrins RK, Govedich FR, Banister K, Bain BA, Rose D, Shuster SM (2017) Helobdella blinni sp. n. (Hirudinida, Glossiphoniidae) a new species inhabiting Montezuma Well, Arizona, USA. ZooKeys 661: 137-155. https://doi.org/10.3897/zookeys.661.9728
Figure 3 - Diagram of the external and internal morphology of Helobdella blinni sp. n. (drawn by Rebecca Beresic-Perrins and Fredric Govedich).
Figure 5 from: Beresic-Perrins RK, Govedich FR, Banister K, Bain BA, Rose D, Shuster SM (2017) Helobdella blinni sp. n. (Hirudinida, Glossiphoniidae) a new species inhabiting Montezuma Well, Arizona, USA. ZooKeys 661: 137-155. https://doi.org/10.3897/zookeys.661.9728
Figure 5 - Bayesian Inference phylogenetic tree with 25% burn-in and support was assessed based on clade posterior probabilities tree. We included COI sequences from 31 species of Helobdella (family Glossiphoniidae). The Arizona populations are from Oak Creek (OC), Rio de Flag (RDF), and Montezuma Well (MW). Our outgroup included Cystobranchus salmositicus (Meyer, 1946), Gonimosobdella klemmi (Williams & Burreson, 2005), Myzobdella lugubris (Leidy, 1851), and Ozobranchus margoi (Davies, 1978). The shaded branches are the Arizona sample sequences. Branch labels include the Bayesian / ML probability. The blue nodes are supported by Bayesian Inference, Maximum-Likelihood, and parsimony analyses. The yellow nodes are supported by Bayesian Inference and Maximum-Likelihood analyses. The green nodes are supported by Bayesian Inference and parsimony analyses. The red nodes are supported by Bayesian Inference analysis only.
Figure 2 from: Beresic-Perrins RK, Govedich FR, Banister K, Bain BA, Rose D, Shuster SM (2017) Helobdella blinni sp. n. (Hirudinida, Glossiphoniidae) a new species inhabiting Montezuma Well, Arizona, USA. ZooKeys 661: 137-155. https://doi.org/10.3897/zookeys.661.9728
Figure 2 - Internal and external morphology of Helobdella blinni sp. n. A dorsal view of the eyes and extended proboscis B crop and post caecae C testisacs D ventral view of internal eggs which have not been oviposited yet E ventral view of white eggs that have been oviposited F ventral view of attached and detached offspring.
Figure 1 from: Beresic-Perrins RK, Govedich FR, Banister K, Bain BA, Rose D, Shuster SM (2017) Helobdella blinni sp. n. (Hirudinida, Glossiphoniidae) a new species inhabiting Montezuma Well, Arizona, USA. ZooKeys 661: 137-155. https://doi.org/10.3897/zookeys.661.9728
Figure 1 - Location of Helobdella blinni sp. n. A The northeast side of Montezuma Well; and B The swallet where the leeches were collected.
Figures 5–9 in Testisacs microanatomy and spermatogenesis of Helobdella simplex (Hirudinida: Glossiphoniidae)
Figures 5–9. Helobdella simplex, cross section of the testisac in stages IV and V of spermatogenesis: (5–7) Stage IV, mature spermatozoa attached to the cytophore and free in the testisac lumen; initiation of reabsorption processes. (8) Reacting and direct (autolysis) reabsorption. (9) Stage V, nuclei of germinal cells with piknosis and hyperchromatosis. (C) Cytophore, (ca) cytophore in autolysis, (ep) primary spermatocytes, (et) spermatids, (ez) spermatozoa, (fa) phagocytes, (p) piknosis. Scale bars: 50 µm.
Figure 4 from: Moser B, T. Briggler J, J. Richardson D, D. Schuette C, I. Hammond C, A. Hopkins W, A. Lazo-Wasem E (2013) Redescription and molecular characterization of Placobdella cryptobranchii (Johnson & Klemm, 1977) (Glossiphoniidae, Hirudinida). ZooKeys 338: 1-10. https://doi.org/10.3897/zookeys.338.5995
Figure 4 - Pre-anal papillae of Placobdella cryptobranchii (USNM 1223081). Scale bar equals 0.5 mm.
Figure 4 from: Beresic-Perrins RK, Govedich FR, Banister K, Bain BA, Rose D, Shuster SM (2017) Helobdella blinni sp. n. (Hirudinida, Glossiphoniidae) a new species inhabiting Montezuma Well, Arizona, USA. ZooKeys 661: 137-155. https://doi.org/10.3897/zookeys.661.9728
Figure 4 - Typical pigmentation of Helobdella blinni sp. n.
FIGURE 4 in Biology, morphology and taxonomy of a snail-feeding leech from North Carolina, USA, provisionally identified as Helobdella lineata (Verrill, 1874) (Glossiphoniidae): First evidence for extra-oral digestion in the Hirudinea
FIGURE 4. The archetype or reference specimen (HL-5A) on which the description of H. lineata is based. This specimen has faded and become translucent following preservation with 5% formalin. The type locality is in Pasquotank County, NC [36.191176, -76.228516] A, dorsal view. B, ventral view. Abbreviations: a, atrium; cs, caudal sucker; ic, intestinal caecum; pc, post caecum; pr, proboscis; r, rectum; rb, rectal bladder; sv, seminal vesicle; tp, tip of proboscis. Scale bar: 1.0 mm.
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International Brain Laboratory public data
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OpenNeuro
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