by Gibling, M.R., Davies, N.S., Falcon-Lang, H.J., Bashforth, A.R., DiMichele, W.A., Rygel, M.C., Ielpi, A.
Published in Proceedings of the Geologists' Association (01.12.2014)

by SANSOM, IVAN J., MILLER, C. GILES, HEWARD, ALAN, DAVIES, NEIL S., BOOTH, GRAHAM A., FORTEY, RICHARD A., PARIS, FLORENTIN
Published in Palaeontology (01.03.2009)