2014
DOI: 10.1590/1982-0224-20130233
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Miniature catfishes of the genus Gelanoglanis (Siluriformes: Auchenipteridae): monophyly and the description of a new species from the upper rio Tapajós basin, Brazil

Abstract: Previously proposed synapomorphies for the genus Gelanoglanis of the catfish family Auchenipteridae are evaluated and four additional features involving the relationship between the mesethmoid and premaxilla, the very fleshy anterior portion of the snout, the lack of ossification of the second through fourth infraorbitals, and the incomplete poring of the lateral line are hypothesized as synapomorphic for the members of the genus. A new species of Gelanoglanis is described based on a series of specimens collec… Show more

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Cited by 10 publications
(8 citation statements)
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References 8 publications
(14 reference statements)
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“…The new species shares with congeners all synapomorphies previously proposed for the genus (Böhlke, 1980;Soares-Porto et al, 1999;Calegari et al, 2014), except for the absence of serrae on the anterior margin of the pectoral-fin spine. Gelanoglanis varii also shares with congeners the presence of a series of soft and rounded papillae along the maxillary barbel, corroborating that feature as a potential additional synapomorphy for the genus [a complete description of this structure was given by Calegari et al (2014)]. Additionally, a new putative synapomorphy for Gelanoglanis is the very elongate dorsal process of the cleithrum, with approximately the same length as the first unbranched pectoral-fin ray, as observed in G. varii (Fig.…”
Section: Discussionmentioning
confidence: 99%
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“…The new species shares with congeners all synapomorphies previously proposed for the genus (Böhlke, 1980;Soares-Porto et al, 1999;Calegari et al, 2014), except for the absence of serrae on the anterior margin of the pectoral-fin spine. Gelanoglanis varii also shares with congeners the presence of a series of soft and rounded papillae along the maxillary barbel, corroborating that feature as a potential additional synapomorphy for the genus [a complete description of this structure was given by Calegari et al (2014)]. Additionally, a new putative synapomorphy for Gelanoglanis is the very elongate dorsal process of the cleithrum, with approximately the same length as the first unbranched pectoral-fin ray, as observed in G. varii (Fig.…”
Section: Discussionmentioning
confidence: 99%
“…The Auchenipteridae, known as driftwood catfishes, is a monophyletic group with 116 valid species known to date, arranged in 22 genera (updated from Ferraris, ). Gelanoglanis Böhlke 1980 is a very distinctive genus and currently known as a monophyletic taxonomic unit of the subfamily Centromochlinae, diagnosed by 15 morphological synapomorphies (Böhlke, ; Soares‐Porto et al , ; Calegari et al , ). Gelanoglanis has four valid species distributed in the Orinoco River ( Gelanoglanis stroudi Böhlke 1980), middle Negro River and upper Orinoco River ( Gelanoglanis nanonocticolus Soares‐Porto, Walsh, Nico & Netto 1999), upper Amazon River basin ( Gelanoglanis travieso Rengifo & Lujan 2008) and upper Tapajós River basin ( Gelanoglanis pan Calegari, Reis & Vari 2014).…”
Section: Introductionmentioning
confidence: 99%
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“…Spinipterus Akama & Ferraris, 2011 is a monotypic genus of Auchenipteridae, an inseminating family of Siluriformes known as driftwood catfishes. The auchenipterids represent a monophyletic family recognized by several features related to sexual dimorphism, such as the possession of an intromittent organ in mature males and modifications on the fins and maxillary barbel during reproductive season (Ferraris and Vari 1999, Birindelli 2014, Calegari et al 2014. The family currently comprises 120 species arranged in 22 genera (Eschmeyer et al 2018, updated), Spinipterus being the most recently described.…”
Section: Introductionmentioning
confidence: 99%
“…Auchenipterids are exclusively Neotropical Siluriformes that are widely distributed in all major South American drainages (Ferraris, 2003). Currently, the Auchenipteridae includes 23 genera and c. 118 valid species (Ferraris, 2003(Ferraris, , 2007Rengifo et al, 2008;Sarmento-Soares & Martins-Pinheiro, 2008;Pavanelli & Bifi, 2009;Peixoto & Wosiacki, 2010;Ribeiro & Rapp Py-Daniel, 2010;Akama & Ferraris, 2011;Britski & Akama, 2011;Calegari et al, 2014;Walsh et al, 2015;Eschmeyer et al, 2016). Some species, particularly those of Ageneiosus Lacépède 1803, are commercially important.…”
Section: Introductionmentioning
confidence: 99%