Autor(es)

Martins, Fernanda de Oliveira ^[1] ; Langeani, Francisco ^[1]

Afiliação do(s) autor(es)

^[1] UNESP Univ Estadual Paulista, Inst Biociencias Letras & Ciencia Exatas, Dept Zool & Bot, Lab Ictiol, BR-15054000 Sao Jose Do Rio Preto, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Neotropical Ichthyology; v. 9, n. 1, p. 65-78, JAN-MAR 2011.
• Citações Web of Science: 16

Resumo

Rhinolekos, new genus, and three new species, R. britskii, R. garavelloi, and R. schaeferi, are described from rio Paranaíba, upper rio Paraná drainage, central Brazil. Rhinolekos can be diagnosed by the following combination of characters: anterior portion of the compound supraneural-first dorsal-fin proximal radial contacting the neural spine of the 9th or 10th vertebrae; presence of the lateronasal plate; absence of the median rostral plate; presence of the pectoral-fin axillary slit just in juvenile specimens; ventral surface of pectoral girdle exposed only laterally; arrector fossae partially enclosed, with opening relatively large, extending laterally halfway towards pectoral-fin base; paired anterior process of the compound supraneural-first dorsalfin proximal radial bone absent; median plate series continuous to the caudal-fin origin; iris operculum present; pteroticsupracleithrum quadrangular in shape and not extending posteriorly; supraoccipital not contributing to the dorsal portion of the swimbladder capsule; subopercular plate present; dorsal and ventral margins of snout bearing odontodes roughly equivalent in size and shape to those on remainder of the head; caudal peduncle roughly rounded in cross section; longitudinal crests in supraoccipital absent; fourth infraorbital expanded ventrally. (AU)

• Processo FAPESP: 04/00545-8 - A ictiofauna da região do Alto Rio Paraná
• Beneficiário: Francisco Langeani Neto
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 05/02449-9 - Taxonomia das especies microlepidogaster eigenmann&eigenmann, 1889 (ostariophysi: siluriformes: loricariidae) do sistema do alto parana.
• Beneficiário: Filipi Cezaro Costa
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica
• Processo FAPESP: 08/00597-9 - Um novo gênero e duas novas espécies de Hypoptopomatinae (Siluriformes: Loricariidae) do Alto rio Paraná.
• Beneficiário: Fernanda de Oliveira Martins
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica