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27.672  Articles
1 of 2.768 pages  |  10  records  |  more records»
Reithrodontomys sumichrasti is distributed from central México to Panama.  Previous studies using DNA sequences suggest the existence of distinct clades that may deserve species-level recognition.  Here, we use multiple methods of species delimi... see more

The integrative taxonomy approach has recently been widely suggested in systematic studies.  Lines of evidence such as the geometric morphometrics and ecological analyses have been useful for discriminating between genetically well-differentiated spe... see more

Reithrodontomys sumichrasti is distributed from central México to Panama.  Previous studies using DNA sequences suggest the existence of distinct clades that may deserve species-level recognition.  Here, we use multiple methods of species delimi... see more

The integrative taxonomy approach has recently been widely suggested in systematic studies.  Lines of evidence such as the geometric morphometrics and ecological analyses have been useful for discriminating between genetically well-differentiated spe... see more

We describe Dinacoma sanfelipe sp. nov. from southern California, the first new species belonging to the melolonthine scarab beetle genus Dinacoma Casey, 1889 (Scarabaeidae: Melolonthinae: Melolonthini) to be described in 90 years, based upon examination ... see more

Potamotrygon tatianae sp. nov., is described from Río Madre de Díos, Peru, upper Rio Madeira basin. The new species is distinguished from all congeners by a unique combination of characters, including its dorsal color pattern formed by a relatively slende... see more

Xiphinema japonicum n. sp., isolated in Ningbo, China, from the rhizosphere of Podocarpus macrophyllus (Thunb.) imported from Japan is described. The new species belongs to Xiphinema non- americanum group 7 and is characterized by medium body length (3.0–... see more

A new cryptic species of ground-dwelling Hemidactylus (Squamata: Gekkonidae) from southern India. Recently collected specimens of a gecko resembling Hemidactylus reticulatus from northern Karnataka State in southwestern India led me to investigate variati... see more

Cytogenetic analyses were performed in four species of the Hypostominae subfamily, three from Hypostomus (Hypostomini) genus and Rhinelepis aspera (Rhinelepini). Three populations of Hypostomus ancistroides were analyzed, which had 2n=68 chromosomes, but ... see more

1 of 2.768 pages  |  10  records  |  more records»