Manni & Nicosia 1999. The oldest cyrtocrinid, Nerocrinus petri n. gen. n. sp., and the Nerocrinidae n. fam. Echinoderm Research 1998. Proceedings of the Fifth European Conference on Echinoderms, Milan, Italy, 7-12 September 1998., A.A. Balkema, Rotterdam & Brookfield, 1999: i-xvi, 1-550. Chapter pagination: 327-331