Microcambeva draco, a new species from northeastern Brazil (Siluriformes: Trichomycteridae)

被引：0

作者：

Mattos, Jose L. O. ^{[1
]}

Lima, Sergio M. Q. ^{[2
]}

机构：

[1] Univ Fed Rio de Janeiro, Lab Ictiol Geral & Aplicada, Dept Zool, BR-21944970 Rio De Janeiro, Brazil

[2] Univ Fed Rio de Janeiro, Lab Biodiversidade Mol, Inst Biol, Dept Genet, BR-21941470 Rio De Janeiro, Brazil

来源：

ICHTHYOLOGICAL EXPLORATION OF FRESHWATERS | 2010年 / 21卷 / 03期

关键词：

BAHIA COASTAL RIVERS; SUBFAMILIAL PHYLOGENY; AMAZON BASIN; GENUS; SARCOGLANIDINAE; TELEOSTEI; CATFISH;

D O I：

暂无

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Microcambeva draco, new species, is described from the Rio Jucurucu basin, Bahia State, northeastern Brazil, which constitutes the northernmost record for the genus. It is distinguished from M. barbata by having a short nasal barbel, reaching the anterior margin of second nostril, posterior process of the palatine long, the supraorbital bone about two times the length of the lachrymal. It is distinguished from M. ribeirae by having the anterior portion of the palatine ossified, the pair of posteriormost supraorbital pores separated, the lateral process of the sphenotic short, 10 dorsal-fin rays, and the origin of the anal fin in a vertical line through 21st vertebrae.

引用

页码：233 / 238

页数：6

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