A New Species of Miniaturized Toadlet, Genus Brachycephalus (Anura: Brachycephalidae), from the Atlantic Forest of Southeastern Brazil

A new species of miniaturized froglet (genus Brachycephalus) is described from Morro Prumirim in the municipality of Ubatuba, São Paulo, southeastern Brazil. Specimens were collected from the leaf litter at approximately 800 m above sea level. The new species is distinguished from all its congeners...

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Bibliographic Details
Published in:Herpetologica 2012-09, Vol.68 (3), p.365-374
Main Authors: Clemente-Carvalho, Rute B. G, Giaretta, Ariovaldo A, Condez, Thais H, Haddad, Célio F. B, Reis, Sergio F. dos
Format: Article
Language:English
Subjects:
Amphibia
Anura
Atlantic Rain Forest
Biological taxonomies
Brachycephalus
Brazil
Frogs
Herpetology
Leaf litter
Miniaturization
New species
Scanning electron microscopy
Skin
Small mammals
Spine
Taxonomy
Tropical rain forests
Vertebrae
Zoology
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Description
Summary:A new species of miniaturized froglet (genus Brachycephalus) is described from Morro Prumirim in the municipality of Ubatuba, São Paulo, southeastern Brazil. Specimens were collected from the leaf litter at approximately 800 m above sea level. The new species is distinguished from all its congeners by the combination of the following characters: snout–vent length 8.7–13.4 mm; skin on head and dorsum with dermal ossification; general color orange, with a narrow brownish vertebral stripe and belly without spots; and skull, spinal processes of sacral and pre-sacral vertebrae, and process of the fourth vertebra hyperossified. Canonical variates analysis of linear body measurement demonstrates that the new species is easily discriminated from other Brachycephalus species with which it shares an intermediate condition of hyperossification.
ISSN:0018-0831
1938-5099
1938-5099
DOI:10.1655/HERPETOLOGICA-D-11-00085.1