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597 results for “Planarian”
Figure 2 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 2. Summary of sister-group relationships within Geoplaninae based on the simultaneous analysis of COI and EF-1-α partial sequences for all-terminals dataset using parsimony as the optimality criteria with 5469 steps in length. Support values for selected nodes are above branches [Goodman–Bremer (GBS)/log-likelihood difference (LLD)]. Absence of values for LLD indicated that the node was not recovered by the maximum likelihood (ML) analyses.
Figure 10 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 10. Geoplana piratininga sp. nov. A, dorsal view of the live specimen MZUSP PL 2060; anterior to the left, ~32 mm in length. B, photomicrograph of a sagittal section of the pharynx of specimen MZUSP PL 2071. C, photomicrograph of the three muscle layers of the internal musculature of the pharynx in sagittal section of specimen MZUSP PL 2071. D, photomicrograph of dorsal epithelium of penis papilla and erythrophil glands located immediately beneath the epithelium of specimen MZUP PL 2071 in sagittal section.
Figure 9 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 9. Geoplana mogi sp. nov. A, diagrammatic representation of the copulatory apparatus of the specimen MZUSP PL 2089 from sagittal sections. B, photomicrograph of the ejaculatory duct and its surrounding musculature of specimen MZUSP PL 2089 in sagittal section. C, photomicrograph of dorsal epithelium of penis papilla and erythrophil glands located immediately beneath epithelium of the unlabelled specimen studied by Marcus (1951) in sagittal section.
Figure 11 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 11. Geoplana piratininga sp. nov. A, photomicrograph of a sagittal section of the copulatory apparatus of specimen MZUSP PL 2071. B, diagrammatic representation of the copulatory apparatus of specimen MZUSP PL 2071 from sagittal sections.
Figure 20 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 20. Geoplana iporanga Almeida & Carbayo sp. nov. Specimen MZUSP PL 2065. A, dorsal view of the live specimen, ~53 mm in length. B, photomicrograph of a sagittal section of the pharynx. C, mid-portion of penis papilla, with the ejaculatory duct and its surrounding muscle.
Figure 18 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 18. Geoplana cambara Almeida & Carbayo sp. nov. A, dorsal view of the living specimen MZUSP PL 2062, ~43 mm in length. B, photomicrograph of a sagittal section of the pharynx of specimen MZUSP PL 2063. C, photomicrograph of a sagittal section of the inner pharyngeal epithelium showing its two muscle layers (each indicated with an arrowhead) of specimen MZUSP PL 2063. D, photomicrograph of a sagittal section of the copulatory apparatus of specimen MZUSP PL 2062. D, diagrammatic representation of the copulatory apparatus of specimen MZUSP PL 2062.
Figure 14 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 14. Geoplana caraguatatuba Almeida & Carbayo sp. nov. A, dorsal view of the living specimen MZUSP PL 2080, ~42 mm in length. B, photomicrograph of a sagittal section of the pharynx of specimen MZUSP PL 2080. C, photomicrograph of the three muscle layers of the internal musculature pharynx in sagittal section of specimen MZUSP PL 2080.
Figure 6 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 6. Geoplana apua sp. nov. A, dorsal view of the MZUSP PL 2072 preserved specimen on millimetre graph paper after cutting off a piece of the body. B, photomicrograph of longitudinal and transverse muscles of the subintestinal parenchymatic layer in a horizontal section of specimen MZUSP PL 2072. C, diagramatic reconstruction of half of a transverse section of the pre-pharyngeal region of the holotype; dots represent longitudinal parenchymatic muscle fibres. D, photomicrograph of the two muscle layers of the internal musculature of the pharynx in sagittal section. E, photomicrograph of a sagittal section of the pharynx of specimen MZUSP PL 2072. F, photomicrograph of the ejaculatory duct and its surrounding muscle of specimen MZUSP PL 2072 in sagittal section.
Figure 17 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 17. Geoplana cananeia Almeida & Carbayo sp. nov. Specimen MZUSP PL 2067. A, dorsal view of the living specimen, ~65 mm in length. B, photomicrograph of a sagittal section of the pharynx. C, photomicrograph of a transverse section of ejaculatory duct. D, photomicrograph of an oblique section of the distal portion of the penis papilla; note the gland necks gathered into dense bundles. E, diagrammatic representation of the copulatory apparatus from sagittal sections.
Figure 13 in 'Endless forms most beautiful': taxonomic revision of the planarian Geoplana vaginuloides (Darwin, 1844) and discovery of numerous congeners (Platyhelminthes: Tricladida)
Figure 13. Geoplana paranapiacaba Almeida & Carbayo sp. nov. A, diagrammatic representation of the copulatory apparatus of specimen MZUSP PL 2079 from sagittal sections. B, photomicrograph of a sagittal section of the copulatory apparatus of specimen MZUSP PL 2079. C, photomicrograph of a sagittal section of the penis papilla tip of specimen MZUSP PL 2079. D, photomicrograph of posterior section of female atrium of specimen MZUSP PL 2079.
FIGURE 2 in 80 years of research on planarians (Platyhelminthes, Tricladida) from Sardinia, Italy: an annotated checklist
FIGURE 2. Geographic distribution of species of the genus Schmidtea and Girardia recorded from Sardinia. 1, Rio Fiume Santo; 2, Rio Mannu di Portotorres; 3, Rio S. Miali; 4, Fiume Silis; 5, Rio Pedrasdefogu; 6, Rio Lu Bagnu; 7, Fiume Coghinas; 8, Rio S. Stefano, Caprera Island National Park; 9, Rio Cuga; 10, Rio Calvia; 11, Fiume Temo; 12, unnamed temporary rivulet near Su Peltusu Cave; 13, Rio Fraigada; 14, Fiume Tirso; 15, Rio di Siniscola; 16, Rio Berchida; 17, unnamed rivulet affluent of Rio Mannu di Milis; 18, temporary pond of Giara di Tuili; 19, Pauli Perdosu temporary pond of Giara di Gesturi; 20, Rio Mannu di Cagliari; 21, Rio Flumentepido. New records are indicated by asterisks.
FIGURE 1 in 80 years of research on planarians (Platyhelminthes, Tricladida) from Sardinia, Italy: an annotated checklist
FIGURE 1. Geographic distribution of species of the genus Dugesia recorded from Sardinia. 1, Rio d'Auteri reservoir, Asinara Island National Park; 2, Rio Mannu di Portotorres; 3, Fiume Silis; 4, Rio Lu Bagnu; 5, Fiume Coghinas; 6, Fiume Liscia; 7, spring and wells on the Tavolara Island Protected Area; 8, springs and unnamed rivulets on the Molara Island Protected Area; 9, Rio Su Lernu; 10, Rio Cuga; 11, Rio de sa Pazzosa; 12, Rio Torre Argentina; 13, Fiume Temo; 14, Sa Ucca 'e su Peltusu Cave; 15, Rio S'Abba Mala; 16, Rio Mannu di Scano di Montiferro; 17, Rio Santa Caterina; 18, Fiume Tirso; 19, Su Cantaru Spring, Rio di Siniscola basin; 20, Fiume Cedrino; 21, Rio Osalla; 22, Rio Mannu di Milis; 23, Rio di Monte Arci; 24, Fiume Flumendosa; 25, Rio Mannu di Cagliari; 26, Fiume Quirra; 27, Rio Acqua 'e sa Murta, S. Antioco Island; 28, Rio Triga, S. Antioco Island; 29, Rio 'e sa Canna, S. Antioco Island; 30, Rio Flumentepido; 31, Rio Gutturu Mannu; 32, Rio Geremeas. New records are indicated by asterisks.
FIGURE 4 in 80 years of research on planarians (Platyhelminthes, Tricladida) from Sardinia, Italy: an annotated checklist
FIGURE 4. Geographic distribution of Geoplanidae recorded from Sardinia. 1, Su Guanu Cave. Black diamond refers to unspecified locality of Bipalium kewense.
FIGURE 3 in 80 years of research on planarians (Platyhelminthes, Tricladida) from Sardinia, Italy: an annotated checklist
FIGURE 3. Geographic distribution of species of the genera Dendrocoelum, Atrioplanaria, Phagocata and Crenobia recorded from Sardinia. 1, Punta della Scomunica Spring, Asinara Island National Park; 2, Elighe Mannu Spring, Asinara Island National Park; 3, Sassari surroundings; 4, Su Coloru Cave; 5, Rio S. Stefano and Rio Stagnali, Caprera Island, La Maddalena Archipelago National Park; 6, Monte Majore Cave; 7, Sa Ucca 'e su Peltusu Cave; 8, unnamed spring at Alà dei Sardi; 9, Gennargentu Massif; 10, Cuccuru Tiria Cave; 11, Baccu Arrosu Mine.
FIGURE 7. Kawakatsua pumila. Holotype, ZMA V in A new genus and species of a terrestrial cavernicolan planarian from Barro Colorado Island, Panama (Platyhelminthes, Tricladida, Cavernicola)
FIGURE 7. Kawakatsua pumila. Holotype, ZMA V.Pl. 7282.1. Sagittal reconstruction of the copulatory apparatus; anterior to the right.
FIGURES 8–9 in A new genus and species of a terrestrial cavernicolan planarian from Barro Colorado Island, Panama (Platyhelminthes, Tricladida, Cavernicola)
FIGURES 8–9. Kawakatsua pumila. (8) MCZ: IZ:149898. Sagittal section through the copulatory apparatus; anterior to the right. (9) Holotype, ZMA V.Pl. 7282.1. Sagittal section through the copulatory apparatus, showing the syncytial copulatory bursa; anterior to the right.
FIGURES 1–3 in A new genus and species of a terrestrial cavernicolan planarian from Barro Colorado Island, Panama (Platyhelminthes, Tricladida, Cavernicola)
FIGURES 1–3. Kawakatsua pumila. (1) Dorsal view of live specimen; anterior end at the top. Scale bar not available. (2) ZMA V.Pl. 7282.3. Sagittal section of anterior end, showing adhesive secretion being discharged through the epidermis. (3) Holotype, ZMA V.Pl. 7282.1. Sagittal section through the pharynx; anterior to the right.
FIGURES 4–6 in A new genus and species of a terrestrial cavernicolan planarian from Barro Colorado Island, Panama (Platyhelminthes, Tricladida, Cavernicola)
FIGURES 4–6. Kawakatsua pumila.(4) Holotype, ZMA V.Pl. 7282.1. Sagittal section through pharynx and pharyngeal pocket, showing the mouth opening. (5) ZMA V.Pl. 7282.3. Sagittal section through a testis follicle. (6) ZMA V.Pl. 7282.3. Sagittal section through the ovary.
FIGURE 2. A in First record of freshwater planarian Girardia igrina (Platyhelminthes, Tricladida, Continenticola) in Eastern Europe
FIGURE 2. A preserved specimen of Girardia tigrina (Girard, 1850) collected from Desna River near Pushkari village (Ukraine). A. Ventral view. B. Anterior part in dorsal view, posterior part in ventral view. C. Dorsal view. ph—pharynx, m—mouth, e—eye.
FIGURE 1 in First record of freshwater planarian Girardia igrina (Platyhelminthes, Tricladida, Continenticola) in Eastern Europe
FIGURE 1. Maximum-Likelihood tree of COI gene, the scale indicates the branch length in substitutions per site. Numbers at nodes indicate bootstrap supports.
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