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| Registros recuperados: 91 | |
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| De Moraes Leme,Juliana; Guimarães Simões,Marcello; Van Iten,Heyo. |
| The holotype of Malvinoconularia cahuanotensis (Brania and Vanek) (Devonian, Bolivia), the type species of the monospecific genus Malvinoconularia Babcock et al., is redescribed and refigured. M. cahuanotensis exhibits several gross morphological features that together are uniquely shared with Reticulaconularia baini (Babcock and Feldmann). In both taxa, the transverse ribs are nodose, the interspaces bear longitudinal ridges (bars or crests) that are collinear (line up) across the transverse ribs, and the longitudinal centerline (midline) of the faces is marked by a subdued ridge. Additionally, the two species may also be similar in the anatomy and external ornament of the corner sulcus. The slightly undulose geometry of the transverse ribs of M.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bolivia; Devonian; Conulariids; Cnidaria; Systematics. |
| Ano: 2006 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142006000200003 |
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| De Iuliis,Gerardo. |
| Remains of a medium-sized megathere from Pleistocene deposits near Ulloma, Bolivia, suggest that the commonly accepted synonymy of Megatherium sundti Philippi, 1893 with Megatherium medinae Philippi, 1893 (Mammalia: Xenarthra: Megatheriidae) is unjustified. The strongest evidence supporting the distinction of these species is provided by their femora. In M. medinae the femur is plesiomorphic, bearing nearly parallel lateral and medial margins and an unreduced patellar trochlea. In M. sundti the femur bears strongly concave lateral and medial margins and a somewhat reduced patellar trochlea, resembling the derived condition in Megatherium americanum Cuvier, 1796. Less marked morphological differences in the skull, mandible, and tibia are apparently... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mammalia; Megatheriidae; Megatherium sundti; Megatherium medinae; Taxonomy; Pleistocene; Bolivia. |
| Ano: 2006 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142006000100013 |
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| Sánchez,Teresa M.; Babin,Claude. |
| Bivalves from the Sella Formation (middle Arenig, Tarija, Bolivia) are described and illustrated. The taxa recognized are Hemiprionodonta lusitanica (Sharpe), known from southern Europe (Spain, Armorican Massif, Montagne Noire), Redonia riojana Sánchez from the west-Argentina Famatina basin, and the new species Coxiconchia sellaensis . These species support the paleobiogeographic affinities between the south European (Armorica), Bolivian and west Argentine basins and corroborate the development of an extensive and continuous shelf throughout the northwest margin of Gondwana during the Arenig. Additionally, specimens at different stages of dental development of Natasia boliviensis (Babin and Branisa) are reported. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bivalves; Arenig; Bolivia. |
| Ano: 2005 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0002-70142005000300004 |
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| Apesteguía,Sebastián; Gallina,Pablo A.. |
| Here we report a superbly preserved and profusely represented five-ichnotaxa dinosaur track assemblage near Icla village, 100 km southeast of Sucre, Bolivia. As preserved in reddish Jurassic-Cretaceous boundary aeolian sandstones, this rich and uncommon assemblage is, additionally, the oldest dinosaur tracksite for Bolivia. Four trackmakers were identified in the area: three quadrupedal and one bipedal, all of them with tracks of around 35 cm in lenght. One of the quadrupedals is represented by no less than five adult individuals (ichnotaxon A), and four purported juveniles (ichnotaxon B) walking in association. The other two quadrupedals (ichnotaxa C and D) involve four trackways, and the last, the bipedal trackmaker (ichnotaxon E), is represented by one... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bolivia; Chuquisaca; Dinosaur prints; Ichnology. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000100015 |
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| Mee,Allan; Denny,Rebecca; Fairclough,Keith; Pullan,Dave M.; Boyd-Wallis,Will. |
| Geophagy, or soil ingestion, is known from a wide range of animal taxa but is particularly common among macaws and parrots in the family Psittacidae. Current theory suggests that Neotropical parrots ingest soil to neutralize toxins in food such as seeds and unripe fruit and as a mineral supplement. Here, we document the occurrence of geophagy at a site in lowland forest in Bolivia. We recorded six species of parrot with a maximum of 1,044 birds on any one day. Aratinga weddellii, Pionus menstruus and Ara severa (maxima of 654, 337 and 108 birds respectively) were the most numerous species visiting the site. We recommend that the Valle de la Luna be afforded formal protection by incorporating the site into the nearby Parque Nacional Carrasco. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Geophagy; Parrots; Psittacidae; Lowland forest; Bolivia. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300023 |
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| Jimenez,Soledad; Suárez,Guillermo M. |
| Philonotis pomangium is a neotropical species recorded from Argentina, Bolivia and Brazil. It is characterized by the ovate-lanceolate leaves, laminal cell quadrate at the base, papillose at the distal angles, and propagules present (brood branches). During the revision of the genus Philonotis in southern South America some samples collected in Peru agreed with P. pomangium, a species not recorded for the country. In addition, the study of the type specimens of Philonotis boliviensis was performed, and it is proposed as a new synonym of P. pomangium. A description, photomicrographs on OM and SEM, comments on the species, and a comparative table for related Philonotis species of Peru are here presented. The Neotropical distribution of P. pomangium is... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bartramia pomangium; Bolivia; Cusco; Philonotis boliviensis. |
| Ano: 2017 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1851-23722017000200014 |
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| Rodas,Claudia; Mamani,Rosalía; Blanco,Jorge; Blanco,Jesus Eulogio; Wiklund,Gudrun; Svennerholm,Ann-Mari; Sjöling,Åsa; Iniguez,Volga. |
| Enterotoxigenic Escherichia coli (ETEC) is recognized as the main cause of bacterial diarrhoea among children in Asia, Africa and Latin America but less investigated in Bolivia. OBJECTIVE: To determine the relation between enterotoxins, CFs and serotypes as well as the antimicrobial resistance patterns in a set of ETEC isolates collected from hospitalized children with acute diarrhea. In the present study we characterized 43 ETEC strains isolated from 2002 to 2006 from hospitalized children (0-5 years) with acute diarrhea in Bolivia. The strains were analyzed for heat-labile (LT) and heat-stable (ST) enterotoxins and colonization factor (CF) profiles, as well as for serogroups and antimicrobial resistance using phenotypic (ELISA, dot blot, slide... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Enterotoxigenic Escherichia coli; Enterotoxins; Drug resistance; Bolivia. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702011000200007 |
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| Registros recuperados: 91 | |
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