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dc.contributor.author
Bockmann, Flávio  
dc.contributor.author
Miquelarena, Amalia Maria  
dc.date.available
2017-05-30T20:02:30Z  
dc.date.issued
2008-05-30  
dc.identifier.citation
Bockmann, Flávio; Miquelarena, Amalia Maria; Anatomy and phylogenetic relationships of a new catfish species from northeastern Argentina with comments on the phylogenetic relationships of the genus Rhamdella Eigenmann and Eigenmann 1888 (Siluriformes, Heptapteridae); Magnolia Press; Zootaxa; 1780; 30-5-2008; 1-54  
dc.identifier.issn
1175-5326  
dc.identifier.uri
http://hdl.handle.net/11336/17125  
dc.description.abstract
Rhamdella cainguae, a new species of the family Heptapteridae is described from the Arroyo Cuña-Pirú, a tributary of the Río Paraná, in the subtropical forest of Misiones, northeastern Argentina. The presence of a large differentiated ovoid area on the supraorbital laterosensory canal along the frontal-sphenotic boundary, delimited by the slender dorsal walls of the bones, and with no foramen for a laterosensory branch, is an autapomorphy for R. cainguae. A detailed description of the skeleton and laterosensory system of R. cainguae is provided. The genus Rhamdella is rediagnosed on the basis of three autapomorphies: a very large opening in the frontal for the exit of the s6 (epiphyseal) branch of the supraorbital laterosensory canal (reversed in R. rusbyi), a large optic foramen, and a dark stripe along the lateral surface of the body (reversed in R. rusbyi). Rhamdella is considered to be the sister group of a large heptapterid clade composed of the Nemuroglanis sub-clade plus the genera Brachyglanis, Gladioglanis, Leptorhamdia, and Myoglanis. Rhamdella is herein restricted to five valid species: R. aymarae, R. cainguae, R. eriarcha, R. longiuscula, and R. rusbyi. A sister group relationship between R. aymarae and R. rusbyi is supported by three synapomorphies. Rhamdella cainguae shares 12 apomorphic features with R. eriarcha and R. longiuscula.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Magnolia Press  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
Hetapteridae  
dc.subject
Phylogeny  
dc.subject
Taxonomy  
dc.subject
Biogeography  
dc.subject.classification
Otras Ciencias Biológicas  
dc.subject.classification
Ciencias Biológicas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
Anatomy and phylogenetic relationships of a new catfish species from northeastern Argentina with comments on the phylogenetic relationships of the genus Rhamdella Eigenmann and Eigenmann 1888 (Siluriformes, Heptapteridae)  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-05-17T13:53:48Z  
dc.journal.volume
1780  
dc.journal.pagination
1-54  
dc.journal.pais
Nueva Zelanda  
dc.journal.ciudad
Auckland  
dc.description.fil
Fil: Bockmann, Flávio. Universidade de Sao Paulo; Brasil  
dc.description.fil
Fil: Miquelarena, Amalia Maria. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - la Plata. Instituto de Limnología "dr. Raul A. Ringuelet". Universidad Nacional de la Plata. Facultad de Cs.naturales y Museo. Instituto de Limnología; Argentina  
dc.journal.title
Zootaxa  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.mapress.com/j/zt/article/view/4839