Citation: Rickards Barrie et Wright Anthony, Enigmagraptus n.gen., a new graptoloid (Pridoli, Silurian, New South Wales, Australia), Palaontologische Zeitschrift Palaontologische Zeitschrift (Print);Journal of Palaontologische Gesellschaft Scientific contributions to palaeontology, 78(1), 2004, pp. 189-194