Designation of a neotype for mazama americana (Artiodactyla, cervidae) reveals a cryptic new complex of brocket deer species

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Cifuentes-Rincón, Analorena [UNESP]
Morales-Donoso, Jorge Alfonso [UNESP]
Sandoval, Eluzai Dinai Pinto [UNESP]
Tomazella, Iara Maluf [UNESP]
Mantellatto, Aline Meira Bonfim
de Thoisy, Benoit
Duarte, José Maurício Barbanti [UNESP]

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Mazama americana (red brocket deer) is the genus-type species (first species described for this genus) and the basis for the identity of other Mazama species. Mazama americana is one of the most abundant and widely distributed deer species in the neotropical forest. However, recent studies suggest that this taxon belongs to a species complex. Our goal was to collect an animal at the type locality (topotype) in French Guiana with the aim of characterizing the morphological (biometric, craniometric), cytogenetic (Giemsa, C-banding, G-banding and NOR) and molecular (mitochondrial DNA) features. The compari-sons showed that the collected specimen was very similar morphologically to specimens from other South American populations, but it was cytogenetically and molecularly very different from any of the cytotypes already described for this species, corroborating the existence of a complex of cryptic species. The data suggest that the M. americana topotype is a different species from all the cytotypes already described in the literature and which occupy the southern region of the Amazon River. The characterization and designation of the M. americana neotype is the first step toward a taxonomic reorganization of the genus Mazama, with the potential identification of new species.



Biodiversity, Chromosomes, Cytogenetics, French Guiana, Mitochondrial DNA, Morphology, Red brocket deer, Topotype

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ZooKeys, v. 2020, n. 958, p. 143-164, 2020.