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.
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
P. A. Jell, 2002 - Available generic names for trilobites - Memoirs of the Queensland Museum (48), 331-553 (journal article, English)
W. T. Dean, 1967 - The correlation and trilobite fauna of the Bedinan Formation (Ordovician) in southeastern Turkey - Bulletin of the British Museum (Natural History), Geology Series (15), 81-123 (journal article, English)
H. B. Whittington, 1962 - The Ordovician trilobites of the Bala Area, Merioneth. Part I - Monograph of the Palaeontographical Society (116), 1-32 (serial monograph, English)
D. M. Delo, 1935 - A revision of the phacopid trilobites - Journal of Paleontology (9), 402-420 (journal article, English)