New Percichthyidae (Teleostei, Percoidei) from the early Pliocene of the Buenos Aires province (Argentina) and its biogeographical implications
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چکیده
منابع مشابه
Pollen morphology of Oxalis species from Buenos Aires province (Argentina).
Pollen morphology and the degree of pollen variability within nine species and two varieties of Oxalis species from Buenos Aires Province (Argentina) were studied using light microscopy (LM), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Oxalis pollen grain is generally 3-colpate and the shape is prolate spheroidal, oblate spheroidal or spheroidal. The exine is ...
متن کاملOrbicules diversity in Oxalis species from the province of Buenos Aires (Argentina).
Eleven Oxalis L. species from the province of Buenos Aires (Argentina) were investigated with scanning and transmission electron microscopes. We identified four different types and two subtypes of orbicules. We conclude that the close morphological similarity between these species is also reflected in their orbicules, and we suggest that the orbicules morphology may be a useful character in sys...
متن کاملInterrelationship between ectoparasites and wild rodents from northeastern Buenos Aires Province, Argentina.
Infestation parameters and indices of mites, ticks and fleas associated with wild rodents from northeastern Buenos Aires Province, Argentina, were studied. Host species similarity was also analyzed in relation to their ectoparasites. Fifty-five rodents were captured from January 2000 to March 2001. In total, 1,022 ectoparasites were collected and three ectoparasite-host associations were new re...
متن کاملPediatric hydatidosis in the south-east of the Buenos Aires province, Argentina.
Hydatidosis is a zoonosis produced by the metacestode Echinococcus spp. The aims of this research are: to contribute to the knowledge of pediatric hydatidosis in the south-east of Buenos Aires province, to study its evolution from 1993 to 2002 at the Regional Maternity and Pediatric Hospital "Dr. Victorio Tetamanti", to determine the strains involved and to discuss the importance of the disease...
متن کاملPrevalence of cholelithiasis in Buenos Aires, Argentina.
BACKGROUND Cholelithiasis is an important cause of morbidity in the world and it varies significantly depending on the region of study. OBJECTIVE To assess the prevalence of cholelithiasis in Buenos Aires. MATERIAL AND METHODS This is a cross-sectional, descriptive, observational study performed in a public hospital with tertiary care in Gastrointestinal Surgery. From July 2010 to December ...
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ژورنال
عنوان ژورنال: Revista del Museo Argentino de Ciencias Naturales
سال: 2014
ISSN: 1514-5158
DOI: 10.22179/revmacn.16.159