2005
DOI: 10.1590/s1679-62252005000400008
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Abstract: Two new species of loricariid catfishes, Parotocinclus bidentatus and P. muriaensis, are described from the rio Paraíba do Sul basin. They possess accessory unicuspid teeth located internally to the series of bicuspid teeth in premaxillary and dentary bones. According to a parsimony analysis of phylogenetic relationships among the Hypoptopomatinae, the new taxa are members of the genus Parotocinclus, even though they lack a fully developed adipose fin. They differ from most species of Parotocinclus because the… Show more

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Cited by 38 publications
(67 citation statements)
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“…The paraphyletic nature of Parotocinclus was initially presented by Gauger & Buckup (2005) who reanalyzed the phylogenetic relationships of the Hypoptopomatinae including 31 terminal taxa and based on 45 characters of and 11 additional characters. In their study nine Parotocinclus species were analyzed, with the following seven recovered as a monophyletic group: P. cearensis, P. cesarpintoi, P. haroldoi, P. bidentatus, P. muriaensis, P. doceanus, and P. maculicauda.…”
Section: Discussionmentioning
confidence: 99%
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“…The paraphyletic nature of Parotocinclus was initially presented by Gauger & Buckup (2005) who reanalyzed the phylogenetic relationships of the Hypoptopomatinae including 31 terminal taxa and based on 45 characters of and 11 additional characters. In their study nine Parotocinclus species were analyzed, with the following seven recovered as a monophyletic group: P. cearensis, P. cesarpintoi, P. haroldoi, P. bidentatus, P. muriaensis, P. doceanus, and P. maculicauda.…”
Section: Discussionmentioning
confidence: 99%
“…Tooth counts were performed separately for left and right Garavello, 1977 rio Almada basin and coastal rivers near Ilhéus, southern Bahia State 10 P. doceanus (Miranda Ribeiro, 1918) rio Doce basin, Espírito Santo State 11 P. eppleyi Schaefer & Provenzano, 1993 upper and middle rio Orinoco basin 12 P. haroldoi Garavello, 1988 rio Sanharó, Piauí State 13 P. jimi Garavello, 1977 rio de Contas basin, southern Bahia State 14 P. jumbo Britski & Garavello, 2002 rio Paraíba do norte basin and coastal rivers in Alagoas, Ceará, Paraíba and Pernambuco States 15 P. longirostris Garavello, 1988 rio Amazonas basin 16 P. maculicauda (Steindachner, 1877) coastal rivers at Rio de Janeiro and Espírito Santo States 17 P. minutus Garavello, 1977 rio Vasa-Barris basin, northern Bahia State 18 P. muriaensis Gauger & Buckup, 2005 rio Paraíba do Sul basin, Rio de Janeiro State 19 P. planicauda Garavello & Britski, 2003 rio Doce basin, Espírito Santo State 20 P. polyochrus Schaefer, 1988 rio Negro drainage, Amazon basin 21 P. prata Ribeiro, Melo & Pereira, 2002upper rio São Francisco 22 P. spilosoma (Fowler, 1941 rio Paraíba do Norte basin, Paraíba State 23 P. spilurus (Fowler, 1941) rio Salgado, Ceará State dentaries and premaxillae. Bilateral average counts were determined as the mean between the left and the right side for each specimen.…”
Section: Methodsmentioning
confidence: 99%
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“…Currently, Parotocinclus comprises 29 valid nominal species (Ramos et al, 2013;Lehmann et al, 2013Lehmann et al, , 2014Lehmann et al, , 2015, but it is recognized as a polyphyletic assemblage (Gauger & Buckup, 2005;Lehmann, 2006;Lehmann et al, 2013;Martins et al, 2014). The genus Parotocinclus has a high species richness in northeastern Brazil, being represented by twelve species (Ramos et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…In fact, recognition of H. notatus has not been an easy task mainly because the original description does not provide enough information for an unambiguous identification in the current diverse scenario of Hisonotus. An evidence of this difficulty is that among the four published papers on phylogenetic relationships of the Hypoptopomatinae based on morphological data including H. notatus, this identification is confirmed only in Gauger & Buckup (2005) and Martins et al (2014). On the other hand, although Schaefer (1991Schaefer ( , 1998) has recorded the examination of H. notatus, the material from rio Ribeira de Iguape quite possibly belongs to Hisonotus leucofrenatus (MirandaRibeiro, 1908).…”
Section: Introductionmentioning
confidence: 99%