Results 11 to 20 of about 66 (49)
Cariosistemática y evolución cromosómica en cricétidos akodontinos (Rodentia, Muroidea) [PDF]
, 1991 En la presente tesis se investigaron las relaciones de parentescoentre las especies de roedores akodontinos. Dichas relaciones fueronestablecidas a traves de la comparación de los cromosomas, llevando acabo sucesivas aproximaciones que incluyeron el ...
Liascovich, Rosa Clara
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Evolução cariotípica de roedores sigmodontinae na América do Sul [PDF]
, 2019 Studies on the evolution of the 2n character were made in mammals and the presence of certain tendencies in the trait is noticed. Some articles suggest that the character evolves under selective force acting for the reduction of its value and others show
Mesquita, Higor Luiz Araújo de
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, 1991 Como parte do Projeto Maraca, foram efetuadas quatro coletas da Lepidopterofauna (Rhopalocera) da Ilha de Maraca, RR.Foram coletados 2724 exemplares de 453 especies distribuidas nas seguintes familia e subfamilias:PapilionidaePapilionidae - 8 ...
O. H. H. Mielke, M. M. Casagrande
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History of American akodont rodents [PDF]
, 1932 32 p. ; 24 cm.Includes bibliographical references (p. 30-32)
Tate, G. H. H. (George Henry Hamilton), 1894-1953.
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, 2007 Typifications and new combinations are provided for Boraginaceae from the Mesoamerica region in advance of the treatment for Flora Mesoamericana. In addition, the recognition of the genus Varronia P. Browne as separate from Cordia L.
J. Miller
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The accelerating influence of humans on mammalian macroecological patterns over the late Quaternary [PDF]
, 2019 The transition of hominins to a largely meat-based diet ~1.8 million years ago led to the exploitation of other mammals for food and resources. As hominins, particularly archaic and modern humans, became increasingly abundant and dispersed across the ...
Elliott Smith, Rosemary E. +4 more
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, 1955 A study of the Suriname species of the genus Drosera revealed the existence of a few problems and led to some new points of view with regard to the taxonomy of the tropical American species of this genus. A discussion of these problems (and an exposition
G. H. Brummer-Dinger
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Evolução morfológica na radiação dos roedores sigmodontíneos : ecologia e história evolutiva [PDF]
, 2017 Radiações evolutivas estão entre os eventos mais fascinantes da evolução. Grande parte da diversidade da vida, tanto de espécies como ecológica, surgiu nos breves intervalos temporais de rápida especiação que configuram as radiações. As causas ecológicas
Maestri, Renan
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Two new species of social wasps (Hymenoptera, Vespidae) from Roraima, Northern Brazil
, 1999 The females and nests are described of two new species of social wasps (Hymenoptera, Vespidae) from dry evergreen forest on the Ilha de Maraca, Roraima, Brazil. Mischocyttarus (Monocyttarus) maracaensis sp.n. closely resembles M.
A. Raw
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Taxonomic changes in Ixonanthaceae from the Venezuelan Guayana
, 1995 Cyrillopsis micrantha (Steyermark) P. E. Berry & N. Ramfrez is a new combination based on Ochthocosmus micranthus Steyermark and constitutes only the second known species of Cyrillopsis (Ixonanthaceae).
P. Berry, N. Ramírez
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