Iotabrycon praecox Roberts, 1973 sec. Eschmeyer 2004 Dataset Global Names Usage Bank Classification class Actinopterygii order Characiformes family Characidae Name Homonyms Iotabrycon praecox Roberts, 1973 sec. Eschmeyer 2004 Iotabrycon praecox Roberts, 1973 Iotabrycon praecox Roberts, 1973 sec. Roberts 1973 Iotabrycon praecox Roberts, 1973