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Karyotype description of two Neotropical Psittacidae species: the endangered Hyacinth Macaw, Anodorhynchus hyacinthinus, and the Hawk-headed Parrot, Deroptyus accipitrinus (Psittaciformes: Aves), and its significance for conservation plans
(Sociedade Brasileira de Genética, 2003-01-01)
Neotropical parrots are among the most threatened groups of birds in the world, and many species are facing extinction in a near future. At the same time, the taxonomic position of many species remains unclear. Karyotype ...
Karyotype differentiation patterns in species of the subfamily Scarabaeinae (Scarabaeidae, Coleoptera)
(Pergamon-Elsevier B.V. Ltd, 2008-12-01)
The aim of this study was to describe the karyotype of species belonging to the subfamily Scarabaeinae (Coleoptera, Scarabaeidae) and to compile the conventional cytogenetic data available in the literature for this group. ...
Karyotypic diversity and evolutionary trends in the neotropical catfish genus Hypostomus lacépède, 1803 (Teleostei, Siluriformes, Loricariidae)
(2012-12-01)
The family Loricariidae with 813 nominal species is one of the largest fish families of the world. Hypostominae, its more complex subfamily, was recently divided into five tribes. The tribe Hypostomini is composed of a ...
Karyotype differentiation patterns in species of the subfamily Scarabaeinae (Scarabaeidae, Coleoptera)
(Pergamon-Elsevier B.V. Ltd, 2008-12-01)
The aim of this study was to describe the karyotype of species belonging to the subfamily Scarabaeinae (Coleoptera, Scarabaeidae) and to compile the conventional cytogenetic data available in the literature for this group. ...
Karyotypic divergence of two co-occurring species of andean climbing catfishes (Siluriformes: Loricarioidei: Astroblepidae)
(2019-02-01)
The monotypic Astroblepidae fish family includes 81 species distributed along Central and Northern Andes in South America and Panamá in Central America; most aspects regarding its biology, taxonomy, and chromosomal features ...
Karyotypic diversity and evolutionary trends in the Neotropical catfish genus Hypostomus Lacepede, 1803 ( Teleostei, Siluriformes, Loricariidae)
(Pensoft Publishers, 2012-01-01)
The family Loricariidae with 813 nominal species is one of the largest fish families of the world. Hypostominae, its more complex subfamily, was recently divided into five tribes. The tribe Hypostomini is composed of a ...
Comparative karyotypic analysis and cytotaxonomy in the Alstroemeria ligtu L. (Alstroemeriaceae) complex of Chile
(Soc Botanica Sao Paulo, 2016)
Due to the variability in morphology and color of the flowers as well as the excellent post-harvest durability of Alstroemeria, many species are cultivated as ornamental and cut flowers. Alstroemeria ligtu L., endemic to ...
Karyotype description of two Neotropical Psittacidae species: the endangered Hyacinth Macaw, Anodorhynchus hyacinthinus, and the Hawk-headed Parrot, Deroptyus accipitrinus (Psittaciformes: Aves), and its significance for conservation plans
(Sociedade Brasileira de Genética, 2003-01-01)
Neotropical parrots are among the most threatened groups of birds in the world, and many species are facing extinction in a near future. At the same time, the taxonomic position of many species remains unclear. Karyotype ...
Karyotype analysis in eight species of Vernonia (Vernonieae, Asteraceae) from South America
(Univ Florence Botany Inst, 2009-01)
The somatic chromosome number and karyotype of eight species of Vernonia were analyzed. The results include the first chromosome count for Vernonia hexantha Sch. Bip. (2n=30), wich is diploid with a base number x=15. The ...