It is considered monotypic within the genus Siptornopsis by the IOC but this classification is not followed by all authorities .
The great spinetail ( Siptornopsis hypochondriaca ) is a species of bird in the Furnariidae family .
great spinetail is considered monotypic within the species species by the IOC but this classification is not followed by all authorities .
The great spinetail ( Siptornopsis hypochondriaca ) is a species of bird in the Furnariidae family .