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Cytogenetic studies in the redtail catfish, Phractocephalus hemioliopterus (Bloch & Schneider, 1801) (Siluriformes, Pimelodidae) a giant fish from Amazon basin
(Pensoft, 2017-03-06)
The objective of this study was to cytogenetically analyze Phractocephalus hemioliopterus comparing the findings with other data to infer relationships among Pimelodidae species. The results revealed a diploid number of ...
A new diploid species belonging to the Odontophrynus americanus species group (Anura: Odontophrynidae) from the Espinhaço range, Brazil
(Magnolia Press, 2017-10-06)
The Odontophrynus americanus species group is a complex of diploid and tetraploid species hardly distinguished by morphological characters. It currently consists of three allopatric diploid species (i.e. O. cordobae, O. ...
Dimensión Cromosómica
(Asociación Argentina para el Progreso de las Ciencias, 2017-03-01)
Desde la segunda década del siglo pasado, Argentina ha sido el epicentro del inicio y desarrollo de la citogenética en América latina. La citogenética es una disciplina que se caracteriza por su capacidad de constante ...