Golden orb weavers all construct large, asymmetrical orb-webs with at least some if not mostly yellow silk. The females are much bigger than the males. Five species of Nephilaare found in the Australasian region. The Australasian representatraves of the genus were revised in 2003 by Mark Harvey, Andrew Austin and Mark Adams in 2003. (Harvey et al 2003)
References
- Harvey et al 2003 - Article is $40AU
Nephila Edulis (Golden Orb Weaver)
A large spider in a large web of golden silk strung between tree branches or other structures; Males tend to occupy the edge of the female's web. The... 
Nephila pilipes (Northern or Giant Golden Orb Weaver)
A colourful Nephila species, with legs relatively longer and more slender than those of the other two species. Other distinguishing features are...
Nephila plumipes (Golden Orb Weaver)
Golden Orb Weavers are among the largest spiders found in Australia. Females can measure up to 45 mm ( N. maculata) - the smaller males measure up to...