A redescription of Isoctenus coxalis (F.O.P. Cambridge, 1902) comb. nov. and description of I. corymbus, a new species of cave dwelling spider (Araneae, Ctenidae, Cteninae) from the State of Goias, Brazil. Revista Iberica de Aracnologia, 11, 30 Junio 2005: 37-42. 40 [Zoological Record Volume 142]