A virtual museum of crinoids from all over the world
Condon (1967): The Geology of the Carnarvon Basin, Western Australia (download)
Wanner (1916): Die Permischen Echinodermen von Timor, XI., 1. Teil
Wanner (1921/1923): Die Permischen Krinoiden von Timor
Charlton et al. (2002): The Permian of Timor: stratigraphy, palaeontology and palaeogeography
Hess (1999): Permian (download)