66170 Micracanthicus vandragti Lujan & Armbruster, 2011 Loricariidae Armored catfishes Hypostominae Siluriformes Teleostei South America: Venezuela, Amazonas State. Known only from the lower Ventuari River and the Orinoco River near its confluence with the Ventuari (Ref. 87303). MBUCV-V-32953 4 n 66 w 1991 Micracanthicus vandragti