This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
G. D. Webster, 2009 - Devonian (Eifelian) disparid crinoids from the Zeravshan Range, southern Tien Shan, Uzbekistan - Palaeoworld (18), 235-240 (journal article, English)
F.E Fearnhead, 2008 - Towards a systematic standard approach to describing fossil crinoids, illustrated by the redescription of a Scottish Pisocrinus de Koninck - Scripta Geologica (136), 39-61 (journal article, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
W. H. C. Ramsbottom, 1958 - British Upper Silurian crinoids from the Ludlovian - Palaeontology (1), 106-115 (journal article, English)