1. Bibliographic and faunal index of Palaeozoic pelmatozoan echinoderms;Moodey;Spec. Pap. geol. Soc. Am.,1943
2. A new Ordovician crinoid from Dolgellau, North Wales;Bates;Palaeontology,1965
3. The Lower Palaeozoic crinoids of Bohemia;Bather;Ann. Mag. nat. Hist. ser. 7,1900a