Description of a new species of microhylid frog, Chiasmocleis, from Ecuador

Walker, Charles F.; Duellman, William E.

doi:10.5962/bhl.part.4068

Cited by 13 publications

(23 citation statements)

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“…1F, H), being almost entirely absent in the specimen depicted in plate 1F. Detailed description of color in life was given by Walker and Duellman (1974).…”

Section: Species Accountsmentioning

confidence: 99%

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High resolution images for Phylogeny, taxonomic revision, and character evolution of the genera Chiasmocleis and Syncope (Anura, Microhylidae) in Amazonia, with descriptions of three new species.

Peloso¹,

Sturaró²,

Forlani³

et al. 2014

American Museum of Natural History Research Library

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“…1F, H), being almost entirely absent in the specimen depicted in plate 1F. Detailed description of color in life was given by Walker and Duellman (1974).…”

Section: Species Accountsmentioning

confidence: 99%

“…The species was diagnosed based mostly on the amount of toe webbing, extending ''to the bases of the terminal phalanges of each digit'' (Walker and Duellman, 1974). Females were unknown at that time.…”

Section: Species Accountsmentioning

confidence: 99%

High resolution images for Phylogeny, taxonomic revision, and character evolution of the genera Chiasmocleis and Syncope (Anura, Microhylidae) in Amazonia, with descriptions of three new species.

Peloso¹,

Sturaró²,

Forlani³

et al. 2014

American Museum of Natural History Research Library

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“…(Zweifel 1986). In Chiasmocleis albopunctata, C. anatipes, and Syncope tridactyla, the procoracoid cartilage is complete to the midcoracoid; note that in Figure 2 of Walker and Duellman (1974), the procoracoid cartilage is shown as not reaching the coraoid. However, because the epicoracoid cartilage is incomplete in Chiasmocleis and Syncope, the medial parts of the procoracoid and the clavicles are united only by undifferentiated connective tissue to the posterior parts of the girdle.…”

Section: Osteological Features Of the Adultsmentioning

confidence: 99%

“…The other accounts are, at best, anecdotal and incomplete. Carvalho (1948) figured ventral views of the crania, the pectoral girdles, and vertebral columns of Stereocyclops incrassatus and Dermatonotus muelleri [Hypopachus mülleri auctorum]; in a subsequent paper, Carvalho (1954) Walker and Duellman (1974) provided some osteological information in the descriptions of Syncope antenori and Chiasmocleis anatipes, respectively, and da Silva and Meinhardt (1999) described osteological features of Syncope tridactyla. The most recent application of osteological data in a phylogenetic study of New World microhylids is that of Wild (1995), who described Altigius alios.…”

Section: Osteological Features Of the Adultsmentioning

confidence: 99%

“…These genera have low species diversity and include Adelastes, Altigius, Arcovomer, Hyophryne, Mela nophryne, Myersiella, Stereocyclops, Syn aptu ranus, and Syncope. Although there are many brief treatments of skeletal morphology of American microhylids (Parker 1881, Carvalho 1948, 1954, Walker, 1973, Walker and Duellman 1974, Zweifel 1986, da Silva and Meinhardt 1999, there are few comprehensive studies. To date, there are thorough descriptions of the skeletal morphology in only four generaElachistocleis (Lavilla et al 2003), the monotypic Hamptophryne (de Sá and Trueb 1991), Melan ophryne, and Nelsonophryne (Lehr and Trueb 2007).…”

Section: Introductionmentioning

confidence: 99%

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Osteologia e morfologia do condrocrânio de Gastrophryne carolinensis (Anura: Microhylidae), com uma revisão da diversidade osteológica dos Microhylidae do Novo Mundo.

Trueb¹,

Díaz²,

Blackburn³

2011

Phyllomedusa

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Osteology and chondrocranial morphology of Gastrophryne carolinensis (Anura: Microhylidae), with a review of the osteological diversity of New World microhylids. Microhylidae is a large, cosmopolitan anuran family. Recent molecular analyses have demonstrated the monophyly of the family-a conclusion that is supported by the larval morphology, coupled with the unique mode of tongue protrusion in adults, and a suite of osteological and myological characters seemingly associated with this innovation in feeding. Despite this functional constraint, osteological diversity probably exceeds that of any other anuran family, and this diversity is especially evident in the New World microhylids that comprise two clades, Gastrophryninae and Otophryninae. To facilitate comparisons among these clades, we describe the larval chondrocranium, skeletal development, and adult osteology of Gastrophryne carolinensis. We provide a phylogenetic context for these comparisons through a novel phylogenetic analysis of 45 microhylid genera based on data for one mitochondrial and three nuclear loci from previously published studies. Nearly all relationships within the monophyletic Gastrophryninae are resolved with robust support. Based on these results, we found that the larval chondrocrania of gastrophrynines share morphological features that distinguish them from Otophryne and other anurans. Among the adults, all gastrophrynines show evidence of an anterior shift of the jaws that is correlated with specializations in the otic region, and with the alignment of the planum antorbitale, the cartilage wall separating the nasal capsule from the orbits. The 100 Phyllomedusa -10(2), December 2011 larval infrarostral and the adult mandibles lack a typical anuran mandibular symphysis, and the mentomeckelian bone of the adult is modified with a special process. The most variable part of the skull is the palate in which a neopalatine usually is absent and the vomer may be single or divided. The posteromedial processes of the hyoids of gastrophynines tend to be elaborated, and some taxa bear a peculiar transverse slit in the posterior part of the hyoid corpus. The anterior zonal elements of the pectoral girdle are reduced or absent, and the posterior parts enlarged and shifted posteriorly. Most taxa have eight presacral vertebrae; depending on the taxon the last presacral is amphicoelous or procoelous.Keywords: Adult osteology, Gastrophryninae, larval chondrocranium, osteological diversity, phylogeny, skeletogenesis.Resumo Osteologia e morfologia do condrocrânio de Gastrophryne carolinensis (Anura: Microhylidae), com uma revisão da diversidade osteológica dos Microhylidae do Novo Mundo. A família Microhylidae é muito diversificada e cosmopolita. Análises moleculares recentes demonstraram seu monofiletismo-uma conclusão sustentada pela morfologia larval, ao lado do modo único de protrusão da língua nos adultos e de um conjunto de características osteológicas e miológicas aparentemente associadas à essa inovação na alimentação. Apesar dessa restr...

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Diversity among New World microhylid frogs (Anura: Microhylidae): morphological and osteological comparisons betweenNelsonophryne(Günther 1901) and a new genus from Peru

Lehr

Trueb

2007

Zoological Journal of the Linnean Society

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A new genus and species of microhylid frogs are described from localities at elevations of 2500-2960 m on the eastern slopes of the Andes in central Peru. These are the first microhylids recorded from the Peruvian Andes and they differ from all other neotropical microhylids by their lack of a tympanum, tympanic annulus and stapes. Phrynopus carpish is removed from Leptodactylidae and placed in Microhylidae. Several novel morphological characters for microhylids are described, among them dermal body spines, expanded nuptial pads in males and heterotopic cartilages. Osteological descriptions and comparison of the new genus with Nelsonophryne revealed a number of intriguing characters that may prove to be useful in phylogenetic studies. Among these are the presence of a double, rather than single, wall between the olfactory capsules in one genus and the presence of a pair of previously undescribed bones in the nasal capsules of one species in each genus. In addition, some of these taxa have spinous projections on the ventral surface of the hyoid plates, and one species has only seven presacral vertebrae, owing to the fusion of Presacrals I and II.

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Description of a new species of microhylid frog, Chiasmocleis, from Ecuador

Cited by 13 publications

References 0 publications

High resolution images for Phylogeny, taxonomic revision, and character evolution of the genera Chiasmocleis and Syncope (Anura, Microhylidae) in Amazonia, with descriptions of three new species.

High resolution images for Phylogeny, taxonomic revision, and character evolution of the genera Chiasmocleis and Syncope (Anura, Microhylidae) in Amazonia, with descriptions of three new species.

Osteologia e morfologia do condrocrânio de Gastrophryne carolinensis (Anura: Microhylidae), com uma revisão da diversidade osteológica dos Microhylidae do Novo Mundo.

Diversity among New World microhylid frogs (Anura: Microhylidae): morphological and osteological comparisons betweenNelsonophryne(Günther 1901) and a new genus from Peru

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