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FIGURE 2 in A new phreatic catfish of the genus Phreatobius Goeldi 1905 from groundwaters of the Iténez River, Bolivia (Siluriformes: Heptapteridae)
No full textFIGURE 2. Phreatobius sanguijuela, new species, holotype, UMSS 1785, 42.1 mm SL. (A) lateral view; (B) dorsal view of head; (C) ventral view of head; scale bar is 5 mm.Published as part of Fernandez, Luis, Saucedo, Lisandro J., Carvajal-Vallejos, Fernando M. & Schaefer, Scott A., 2007, A new phreatic catfish of the genus Phreatobius Goeldi 1905 from groundwaters of the Iténez River, Bolivia (Siluriformes: Heptapteridae), pp. 51-58 in Zootaxa 1626 on page 55, DOI: 10.5281/zenodo.17927
FIGURE 3 in A new phreatic catfish of the genus Phreatobius Goeldi 1905 from groundwaters of the Iténez River, Bolivia (Siluriformes: Heptapteridae)
No full textFIGURE 3. Phreatobius cisternarum, syntype, FMNH 58580, 32.2 mm SL, dorsal view showing presence of eyes. Photograph by Mike Littmann, image courtesy of ACSI and FMNH Division of Fishes.Published as part of Fernandez, Luis, Saucedo, Lisandro J., Carvajal-Vallejos, Fernando M. & Schaefer, Scott A., 2007, A new phreatic catfish of the genus Phreatobius Goeldi 1905 from groundwaters of the Iténez River, Bolivia (Siluriformes: Heptapteridae), pp. 51-58 in Zootaxa 1626 on page 56, DOI: 10.5281/zenodo.17927
Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae)
No full textZawadzki, Cláudio Henrique, Carvajal-Vallejos, Fernando M., Silva, Hugmar Pains Da, Lechner, Walter, Penido, Iago De Souza (2021): Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae). Zootaxa 5067 (3): 401-416, DOI: https://doi.org/10.11646/zootaxa.5067.3.
FIGURE 2. Hypostomus pantherinus, MNNH 99-12-0-18, 143.0 in Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae)
No full textFIGURE 2. Hypostomus pantherinus, MNNH 99-12-0-18, 143.0 mm SL, in dorsal, lateral, and ventral views, rio Iténez-Guaporé, Boca Machupo, Bolivia.Published as part of Zawadzki, Cláudio Henrique, Carvajal-Vallejos, Fernando M., Silva, Hugmar Pains Da, Lechner, Walter & Penido, Iago De Souza, 2021, Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae), pp. 401-416 in Zootaxa 5067 (3) on page 405, DOI: 10.11646/zootaxa.5067.3.4, http://zenodo.org/record/568197
FIGURE 6 in Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae)
No full textFIGURE 6. Typical habitats of Hypostomus pantherinus: a and b) upper rio Iténez-Guaporé near municipality of Pontes e Lacerda, Mato Grosso State, Brazil and; c and d) medium stretches of the rio Iténez-Guaporé at municipality of Costa Marques, Rondônia State, Brazil.Published as part of Zawadzki, Cláudio Henrique, Carvajal-Vallejos, Fernando M., Silva, Hugmar Pains Da, Lechner, Walter & Penido, Iago De Souza, 2021, Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae), pp. 401-416 in Zootaxa 5067 (3) on page 410, DOI: 10.11646/zootaxa.5067.3.4, http://zenodo.org/record/568197
FIGURE 3. Hypostomus pantherinus, AMNH 39946, 128.9 in Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae)
No full textFIGURE 3. Hypostomus pantherinus, AMNH 39946, 128.9 mm SL, in dorsal, lateral, and ventral views, rio Iténez-Guaporé, above mouth of rio Baures, near Costa Marques, Brazil in the divide with Bolivia.Published as part of Zawadzki, Cláudio Henrique, Carvajal-Vallejos, Fernando M., Silva, Hugmar Pains Da, Lechner, Walter & Penido, Iago De Souza, 2021, Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae), pp. 401-416 in Zootaxa 5067 (3) on page 407, DOI: 10.11646/zootaxa.5067.3.4, http://zenodo.org/record/568197
FIGURE 4 in Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae)
No full textFIGURE 4. Live specimens of Hypostomus pantherinus; a) uncatalogued juvenile specimen in lateral view from the medium stretches of the rio Iténez-Guaporé, with approximately 30 mm SL, upstream municipality of Costa Marques, Rondônia State, Brazil; b) NUP 17760, 107.4 mm SL, in dorsolateral view, rio Barbado, tributary of the upper rio Iténez-Guaporé, municipality of Vila Bela da Santíssima Trindade, Mato Grosso State, Brazil in the divide with Bolivia.Published as part of Zawadzki, Cláudio Henrique, Carvajal-Vallejos, Fernando M., Silva, Hugmar Pains Da, Lechner, Walter & Penido, Iago De Souza, 2021, Assessing twohundredyearsoftaxonomicdoubt withtherediscoveryandtaxonomic establishment of the Amazonian armored catfish Hypostomus pantherinus Kner 1854 (Siluriformes: Loricariidae), pp. 401-416 in Zootaxa 5067 (3) on page 408, DOI: 10.11646/zootaxa.5067.3.4, http://zenodo.org/record/568197
Contribución al conocimiento de los peces del género Trichomycterus (Siluriformes: Trichomycteridae) en los Andes de Bolivia
No full textDistribución del género Trichomycterus en los Andes de Bolivia. Conservación y biodiversidad de bagres endémicos.El género Trichomycterus Valenciennes 1832 posee más de cien especies válidas distribuidas en América del Sur, constituyéndose como el mayor representante de la familia Trichomycteridae. Según Alencar y Costa (2004), cerca de 60 especies son endémicas de las vertientes de drenaje de los Andes y alrededor de 30 son endémicas del Escudo Brasilero (De Pinna, 1998). Las especies de Trichomycterus descritas y citadas para Bolivia llegan a diez: T. tiraquae (Fowler 1940); T. chaberti Durand 1968, T. barbouri (Eigenmann 1910) y T. fassli (Steindachner 1915) para la cuenca del Amazonas; T. duellmani Arratiay Menu-Marque 1984; T. aguarague Fernández y Osinaga 2006; T. roigi Arratia y Menu-Marque 1984 yT. therma Fernández y Miranda 2007 para la cuenca del Plata; Trichomycterus rivulatus (Valenciennes 1846) y T. dispar' (Tschudi 1846) para la cuenca del Altiplano. Los registros de estas especies para Bolivia se encuentran en Eigenmann (1918), Arratia (1983) Fernández y Osinaga (2006) y Fernández y Miranda (2007). El género Trichomycterus ha sido muy poco estudiado en los Andes bolivianos y no existe un trabajo que sintetice el inventario y distribución de las especies. Por lo tanto, el presente trabajo tiene por objetivo aportar una lista actualizada de especies y establecer su distribución en los Andes de Bolivia a partir de información existente y material obtenido en diferentes cuencas.Fil: Arraya, Mariana. Universidad Mayor de San Simón; BoliviaFil: Maldonado, Mabel. Universidad Mayor de San Simón; BoliviaFil: Carvajal Vallejos, Fernando M.. Universidad Mayor de San Simón; BoliviaFil: Fernandez, Luis Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucuman. Instituto de Biodiversidad Neotropical. Universidad Nacional de Tucuman. Facultad de Ciencias Naturales e Instituto Miguel Lillo. Instituto de Biodiversidad Neotropical. Instituto de Biodiversidad Neotropical; Argentin
Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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