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The genus Vitreorana Guayasamin, Castroviejo-
Fisher, Trueb, Ayarzagüena, Rada, Vilà (2009) is
composed of ten species (Frost, 2016), commonly
known as glassfrogs. Five species occur in the Atlantic
Forest of Brazil and Argentina: Vitreorana eurygnatha
(Lutz, 1925), Vitreorana parvula (Boulenger, 1895),
Vitreorana uranoscopa (Muller, 1924), Vitreorana
baliomma Pontes, Caramaschi and Pombal Jr., 2014,
and Vitreorana franciscana (Pontes et al., 2014;
Santana et al., 2015). Vitreorana baliomma is a small
glassfrog (SVL 16.4–21.2 mm, N = 16) that occurs in
ombrophilous formations in the Northeastern portion of
the Brazilian Atlantic Rainforest, in the municipalities
of Areia Branca, state of Sergipe, and Itamaraju (type
locality) and Itapebi, state of Bahia (Gouveia et al.,
2012; Pontes et al., 2014; Frost, 2016). It differs from
the other Vitreorana species of the Atlantic Forest by
having a thin layer of iridophores covering the stomach
and intestines; rudimentary nuptial excrescences
formed by glands on the dorsomedial surface of finger
I (in males), with some accessorial glands along its
periphery; kidneys, urinary bladder, and testes lacking
iridophores layer; and iris pattern flecked by lavender
star-shape melanophores (Pontes et al., 2014).
During a review of Vitreorana specimens housed
at Coleção de Anfíbios of Museu de Zoologia João
Moojen, Universidade Federal de Viçosa, Viçosa,
Minas Gerais state, Brazil, we found a lot with three
specimens (MZUFV 5437, 5438, 5439; 18.07 mm,
17.43 mm, 16.76 mm, respectively) that conform to the
description of V. baliomma (Pontes et al., 2014) (Figure
1). The specimens were collected by R. N. Feio and
U. Caramaschi at Fazenda Limoeiro, municipality of
Almenara (-16.0555°S, -40.8359°W; Datum WGS 84;
620 m a.s.l.), Jequitinhonha River valley (Figure 2), on
13 to 16 January, 2004.
This record confirms the presence of Vitreorana
baliomma in the state of Minas Gerais, and extends the
distribution of the species about 129 km east from the
nearest known locality at municipality of Itapebi, Bahia
(Pontes et al., 2014). The historic presence of continuous
forests (currently fragmented) in the Jequitinhonha
River valley can explain the occurrence of this species
in inner areas of the north of Minas Gerais.
Acknowledgements. We thank Diego José Santana for helping
with the identification of the specimens. MAAP is grateful to
Coordenação de Aperfeiçoamento de Nível Superior (CAPES)
Herpetology Notes, volume 9: 285-286 (2016) (published online on 14 November 2016)
New state record of Vitreorana baliomma Pontes, Caramaschi
and Pombal Jr., 2014 (Anura: Centrolenidae)
Clodoaldo Lopes de Assis1,*, Marco Antônio Peixoto1, Emanuel Teixeira da Silva2 and Renato Neves Feio1
1 Museu de Zoologia João Moojen, Departamento de Biologia
Animal, Universidade Federal de Viçosa. Vila Gianette, 32,
CEP 36570-900. Viçosa, Minas Gerais, Brazil.
2 Laboratório de Herpetologia, Departamento de Zoologia,
Universidade Federal de Minas Gerais. Avenida Antônio
Carlos, 6627, Pampulha, CEP 31270-901. Belo Horizonte,
Minas Gerais, Brazil
* Corresponding author e-mail: clodoassis@yahoo.com.br
Figure 2. Geographic distribution of Vitreorana baliomma.
Clodoaldo Lopes de Assis et al.
286
for financial support. ETS thanks Conselho Nacional de
Desenvolvimento Científico e Tecnológico (CNPq) for financial
support. Financial support was given to RNF through a scientific
productivity fellowship (CNPq). Comments of anonymous
reviewers helped to improve an earlier version of this manuscript.
References
Feio, R.N., Caramaschi, U. (2002): Contribuição ao conhecimento
da herpetofauna do Nordeste do Estado de Minas Gerais, Brasil.
Phyllomedusa 1(2):105-111.
Frost, D.R. (2016): Vitreorana baliomma, Amphibian Species of
the World. Available at: http://research.amnh.org/herpetology/
amphibia/index.html. Acessed on 08 May 2016.
Gouveia, S.F., Faria, R.G., Rocha, P.A. (2012): Local distribution
and notes on reproduction of Vitreorana aff. eurygnatha
(Anura: Centrolenidae) from Sergipe, Northeastern Brazil.
Herpetological Bulletin 120:16–21.
Pontes, R.C., Caramaschi, U., Pombal, Jr., J.P. (2014): A remarkable
new glass frog (Centrolenidae: Vitreorana) from the northeast
Atlantic forest, Brazil. Herpetologica 70:298–308.
Santana, D.J., Barros, A.B., Pontes, R., Feio, R.N. (2015) A New
Species of Glassfrog Genus Vitreorana (Anura, Centrolenidae)
from the Cerrado Domain, Southeastern Brazil. Herpetologica
71:289–298.
Figure 1. Vitreorana baliomma (MZUFV 5439) collected in the Fazenda Limoeiro, Municipality of Almenara, state of Minas
Gerais, Brazil. (A) Dorsal and (B) ventral views. (C) Detail of iris by showing periphery cream and area flecked of lavender starred
melanophores. (D) Dorsomedial surface of finger I by showing the rudimentary nuptial excrescences formed by glands.
Accepted by Mirco Solé
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ABSTRACT: We describe a new species of glass frog (Vitreorana) from Fazenda Novo Pau Brasil, in the Atlantic Forest habitat of northeastern Brazil. Previous to this work, Vitreorana baliomma sp. nov. was misidentified as V. eurygnatha, from which it can be distinguished by the iris pattern flecked with star-shape melanophores; rudimentary nuptial excrescences formed by glands on the dorsomedial surface of Finger I, with some accessorial glands along its periphery; parietal, urinary bladder, kidneys, and testes peritonea translucent; visceral peritoneum with iridophores covering the pericardium, liver, and gastrointestinal tract. We also provide a brief discussion on its morphological similarities with other Vitreorana species.
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Species of the family Centrolenidae are poorly known, especially concerning the basic features of their natural history, especially those distributed at eastern Brazil. During the rainy season of 2006, we studied the local-scale pattern of spatial distribution and some aspects of reproduction, including behaviour, of a population of Vitreorana aff. eurygnatha from Sergipe State, Brazil. Individuals were clumped-distributed and reproduced on vegetation overhanging streams, between 0.30 and 4.00m height. The species exhibits sexual dimorphism in size, with females slightly larger than males. Their egg clutches consisted of about 18 eggs and were laid mostly on the upper side of leaves. We also describe the overall calling pattern and present the first record of chorus leadership in Centrolenidae. Additional ecological traits plus some notes of a male-female and a male-male encounter are presented and compared to other Hyalinobatrachinae glass-frogs.
  • R N Feio
  • U Caramaschi
Feio, R.N., Caramaschi, U. (2002): Contribuição ao conhecimento da herpetofauna do Nordeste do Estado de Minas Gerais, Brasil. Phyllomedusa 1(2):105-111.
Vitreorana baliomma, Amphibian Species of the World Available at: http://research.amnh.org/herpetology/ amphibia/index
  • D R Frost
Frost, D.R. (2016): Vitreorana baliomma, Amphibian Species of the World. Available at: http://research.amnh.org/herpetology/ amphibia/index.html. Acessed on 08 May 2016.
  • D R Frost
Frost, D.R. (2016): Vitreorana baliomma, Amphibian Species of the World. Available at: http://research.amnh.org/herpetology/ amphibia/index.html. Acessed on 08 May 2016.
  • S F Gouveia
  • R G Faria
  • P A Rocha
Gouveia, S.F., Faria, R.G., Rocha, P.A. (2012): Local distribution and notes on reproduction of Vitreorana aff. eurygnatha (Anura: Centrolenidae) from Sergipe, Northeastern Brazil. Herpetological Bulletin 120:16-21.
  • R C Pontes
  • U Caramaschi
  • J P Pombal
Pontes, R.C., Caramaschi, U., Pombal, Jr., J.P. (2014): A remarkable new glass frog (Centrolenidae: Vitreorana) from the northeast Atlantic forest, Brazil. Herpetologica 70:298-308.