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.
A. Kroh, 2010 - The phylogeny and classification of post-Palaeozoic echinoids - Journal of Systematic Palaeontology (8), 147-212 (journal article, English)
S. Schneider, 2009 - A parautochthonous shallow marine fauna from the Late Burdigalian (early Ottnangian) of Gurlarn (Lower Bavaria, SE Germany): Macrofaunal inventory and paleoecology - Neues Jahrbuch für Geologie und Paläontologie (254), 63-103 (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)
P. M. Kier, 1997 - Oligocene echinoids of North Carolina - Smithsonian Contributions to Paleobiology (83), 1-37 (journal article, English)
J.O. Chiesa, 1995 - Observaciones estratigraficas en el Paleogeno del noroeste de la Provincia de Santa Cruz (Republica Argentina). Parte II: Invertebrados marinos de la Formacion El Chacy (Eoceno), Provincia de Santa Cruz, Argentina. Systematica y bioestratigrafia - Monografias de la Acadamia Nacional de Ciencias Exactas, Fisicas Y Naturales (11), 17-68 (journal article, Spanish)
J. Geys, 1989 - On the presence of Gracilechinus (Echinoidea, Echinidae) in the Late Miocene of the Antwerp Area (Belgium) - Meded. Werkgr. Tert. Kwart. Geol (26), 3-10 (journal article, English)
P. M. Kier, 1972 - Upper Miocene Echinoids from the Yorktown Formation of Virginia and their environmental significance - Smithsonian Contributions to Paleobiology (13), - (serial monograph, English)
H. B. Fell, 1966 - Echinacea - Treatise on Invertebrate Paleontology,Part U Echinodermata 3. The Geological Society of America and The University of Kansas Press (2), U367-U440 (book/book chapter, English)
C. W. Cooke, 1941 - Cenozoic Regular Echinoids of Eastern United States - Journal of Paleontology (15), 1-20 (journal article, English)
U. S. Grant, 1938 - The West American Cenozoic Echinoidea - Publications of the University of California at Los Angeles in Mathematical and Physical Sciences (2), 1-225 (journal article, English)
W. B. Clark, 1915 - The Mesozoic and Cenozoic Echinodermata of the United States - United States Geological Survey Bulletin (54), 1-341 (serial monograph, English)
T. Mortensen, 1903 - - The Danish Ingolf-Expedition 1895–1896. Vol. 4, No. 2. Echinoidea, pt. 1. Bianco Luno, Copenhagen (), 1-198 (book/book chapter, English)
F. S. Holmes, 1860 - Post-Pleiocene Fossils of South Carolina - (), 1-122 (book, English)
T. Wright, 1851 - On the Cidaridae of the Oolites, with a description of some new species of that family - The Annals and Magazine of Natural History, Second Series (8), 241-280 (journal article, English)
J. E. Gray, 1825 - An attempt to divide the Echinida, or Sea Eggs, into natural families - Annals of Philosophy, new series (10), 423-431 (journal article, English)
C. Linnaeus, 1758 - - Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima (1), 1-824 (book, other)