Search Results - "Schargel, Walter E"

A new diurnal gecko in the genus Gonatodes (Squamata: Sphaerodactylidae) from Margarita Island, Venezuela by Rivero-Blanco, Carlos, Schargel, Walter E

“…We describe a new species of diurnal gecko, Gonatodes machelae sp. nov., from Cerro El Copey, Margarita Island, Venezuela. The new species is distinguished…”
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Neurodegeneration-related genes influence C. elegans pharyngeal activity by Selvarathinam, Hannah, Elkhalil, Aladin, Schargel, Walter E, Ghose, Piya

“…Pharyngeal pumping and its reduction following mechanical insult are well-studied behaviors. Here, we assessed new applications of pharyngeal pumping assays in…”
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The skull of the semi-aquatic neotropical lizard Echinosaura horrida (Gymnophthalmidae: Cercosaurinae) reveals new synapomorphies within Gymnophthalmoidea by Hernández-Morales, Cristian, Ngo, Alison, Abdelhadi, Leila, Schargel, Walter E, Daza, Juan D, Yánez-Muñoz, Mario H, Smith, Eric N

“…The rough teiid or water cork lizard (Echinosaura horrida) is a small reptile from Colombia and Ecuador placed in a genus that contains eight species and…”
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The phylogeny of Dendropsophini (Anura: Hylidae: Hylinae) by Orrico, Victor G.D., Grant, Taran, Faivovich, Julian, Rivera‐Correa, Mauricio, Rada, Marco A., Lyra, Mariana L., Cassini, Carla S., Valdujo, Paula H., Schargel, Walter E., Machado, Denis J., Wheeler, Ward C., Barrio‐Amorós, Cesar, Loebmann, Daniel, Moravec, Jiří, Zina, Juliana, Solé, Mirco, Sturaro, Marcelo J., Peloso, Pedro L.V., Suarez, Pablo, Haddad, Célio F.B.

“…The relationships of the hyline tribe Dendropsophini remain poorly studied, with most published analyses dealing with few of the species groups of…”
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Extended diagnosis of the type species of Pseudogonatodes Ruthven 1915 (Gekkota: Sphaerodactylidae) by Montes-Correa, Andrés Camilo, Saboyá-Acosta, Liliana P, Jiménez-Bolaño, Juan David, Angarita-Sierra, Teddy, Briceño-Pérez, Vladimir, Núñez, Samuel, Renjifo, Juan Manuel, Schargel, Walter E, Daza, Juan D, Hoogmoed, Marinus S

“…Pseudogonatodes furvus is an endemic gecko from the region of the Sierra Nevada de Santa Marta, an isolated massif located in the continental Caribbean region…”
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Rediscovery of Atractus microrhynchus and Reappraisal of the Taxonomic Status of A. emersoni and A. natans (Serpentes: Dipsadidae) by Passos, Paulo, Cisneros-Heredia, Diego, Rivera, Dani Enrique, Aguilar, Cesar, Schargel, Walter E

“…The species Rhabdosoma microrhynchum (now Atractus microrhynchus) was originally described based on a single specimen collected by the Orton Expedition at…”
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Cytogenetic studies on Gonatodes (Reptilia, Squamata, Sphaerodactylidae) by Schmid, Michael, Steinlein, Claus, Feichtinger, Wolfgang, Haaf, Thomas, Mijares-Urrutia, Abraham, Schargel, Walter E, Hedges, S Blair

“…Mitotic and meiotic chromosomes of 5 species of the reptile genus Gonatodes are described by means of conventional staining, banding analyses and in situ…”
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A new giant Atractus (Serpentes: Dipsadidae) from Ecuador, with notes on some other large Amazonian congeners by Schargel, Walter E, Lamar, William W, Passos, Paulo, Valencia, Jorge H, Cisneros, Diego F, Campbell, Jonathan A

“…We describe a new species of Atractus from Cordillera de los Guacamayos in the Andes of Ecuador. This new species is the largest known species of Atractus,…”
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Coding Meristic Characters for Phylogenetic Analysis: A Comparison of Step-Matrix Gap-Weighting and Generalized Frequency Coding by Lawing, A. Michelle, Meik, Jesse M., Schargel, Walter E.

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Molecular systematics of Caribbean skinks of the genus Mabuya (Reptilia, Scincidae), with descriptions of two new species from Venezuela by MIRALLES, AURÉLIEN, FUENMAYOR, GILSON RIVAS, BONILLO, CÉLINE, SCHARGEL, WALTER E., BARROS, TITO, GARCÍA-PEREZ, JUAN E., BARRIO-AMORÓS, CÉSAR L.

“…Phylogenetic relationships among the species of Mabuya present around the Caribbean Sea (Antilles, Central America, and northern South America) are proposed…”
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Phylogenetic systematics of the genus Gonatodes (Squamata: Sphaerodactylidae) in the Guayana region, with description of a new species from Venezuela by Schargel, Walter E., Rivas, Gilson A., Makowsky, Robert, Señaris, J. Celsa, Natera, Marco A., Barros, Tito R., Molina, César R., Barrio-Amorós, César L.

“…The phylogenetic relationships and species boundaries of the diurnal geckos of the genus Gonatodes in the Guayana region are examined. Seven species of…”
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A Distinctive New Species of Gonatodes (Squamata: Sphaerodactylidae) from Isla La Blanquilla, Venezuela, with Remarks on the Distribution of Some Other Caribbean Sphaerodactylid Lizards by Rivas, Gilson A., Ugueto, Gabriel N., Schargel, Walter E., Barros, Tito R., Velozo, Pablo, Sánchez, Luz Esther

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Taxonomy, Hemipenial Morphology, and Natural History of Two Poorly Known Species of Anadia (Gymnophthalmidae) from Northern South America by Rivas, Gilson A, Nunes, Pedro M. Sales, Dixon, James R, Schargel, Walter E, Caicedo, José R, Barros, Tito R, Camargo, Edward G, Barrio-Amorós, César L

“…Anadia pariaensis Rivas, La Marca, and Oliveros, 1999, and Anadia steyeriNieden, 1914, are two particularly rare and poorly known lizards described from single…”
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The Hemipenes of Some Snakes of the Semifossorial Genus Atractus, with Comments on Variation in the Genus by Schargel, Walter E, Castoe, Todd A

“…The hemipenes of seven species of Atractus (Atractus emigdioi, Atractus major, Atractus mariselae, Atractus poeppigi, Atractus torquatus, Atractus univittatus,…”
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A New Species and a New Record of Atractus (Serpentes: Colubridae) from the Andes of Venezuela by Schargel, Walter E, García-Pérez, Juan E

“…A new species of Atractus is described from the Cordillera de Mérida, Venezuela. The new species can be distinguished from all other congeners by the…”
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BRIDGING THE GAP IN PROCTOPORUS DISTRIBUTION: A NEW SPECIES (SQUAMATA: GYMNOPHTHALMIDAE) FROM THE ANDES OF VENEZUELA by Doan, Tiffany M., Schargel, Walter E.

“…We describe a new species of Proctoporus from the Cordillera de Mérida, Venezuela. The new species is the first Proctoporus recorded from this mountain range…”
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A NEW SPECIES OF RIAMA (SQUAMATA: GYMNOPHTHALMIDAE), ENDEMIC TO THE PENÍNSULA DE PARIA, VENEZUELA by Rivas, Gilson, Schargel, Walter E., Meik, Jesse M.

“…A new species of gymnophthalmid lizard is described from the montane forests of the Península de Paria in northeastern Venezuela. The new species is one of…”
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Species limits and phylogenetic systematic of the diurnal geckos of the genus Gonatodes (Squamata: Sphaerodactylidae) by Schargel, Walter E

“…The genus Gonatodes (family Sphaerodactylidae) is a diverse of group of about 20 species currently recognized of mostly diurnal geckos that are collectively…”
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A NEW AQUATIC SNAKE (COLUBRIDAE: PSEUDOERYX) FROM THE LAKE MARACAIBO BASIN, NORTHWESTERN VENEZUELA: A RELIC OF THE PAST COURSE OF THE ORINOCO RIVER by Schargel, Walter E., Rivas Fuenmayor, Gilson, Barros, Tito R., Péfaur, Jaime E., Navarrete, Luis F.

“…A new species of aquatic snake in the genus Pseudoeryx is described from the Lake Maracaibo Basin in northwestern Venezuela. The new species differs from P…”
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