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.
X. Chen, 2016 - Systematic Palaeontology - Darriwilian to Katian (Ordovician) Graptolites from Northwest China (), 95-348 (book chapter, English)
W.-H. Wang, 2015 - Taxonomic and biostratigraphic reappraisal of some early Tremadocian (Ordovician) graptolites from Changde, South China - Palaeoworld (24), 86-99 (journal article, English)
A. W. A. Rushton, 2011 - Deflexed didymograptids from the Lower Ordovician Skiddaw Group of northern England - Proceedings of the Yorkshire Geological Society (58), 319-327 (journal article, English)
J. Maletz, 2006 - Middle Devonian dendroid graptolites from the Brilon Reef area (Rheinisches Schiefergebirge, Germany) - Paläontologische Zeitschrift (80), 221-229 (journal article, English)
D. E. Jackson, 2003 - Taxonomic and biostratigraphical significance of the Tremadoc graptolite fauna from northern Yukon Territory, Canada - Geological Magazine (140), 131-156 (journal article, English)
W. Kiessling, 2003 - Personal data - (), - (unpublished, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
C. Pålsson, 2002 - Upper Ordovician graptolites and biostratigraphy of the Röstånga 1 core,Scania, S. Sweden - Bulletin of the Geological Society of Denmark (49), 9-23 (journal article, English)
R. A. Cooper, 1998 - Taxonomy and evolution of earliest Ordovician graptoloids - Norsk Geologisk Tidsskrift (78), 3-32 (journal article, English)
R. B. Rickards, 1990 - An Upper Cambrian (Idamean) dendroid assemblage from near Smithton, northwestern Tasmania - Alcheringa (14), 207-232 (journal article, English)
R. A. Cooper, 1979 - The Tremadoc graptolite sequence of Lancefield, Victoria - Palaeontology (22), 767-797 (journal article, English)
R. A. Cooper, 1979 - Ordovician Geology and Graptolite faunas of the Aorangi Mine area, North-west Nelson, New Zealand - New Zealand Geological Survey Paleontological Bulletin (47), - (serial monograph, English)
D. E. Jackson, 1962 - Zonation of Ordovician and Silurian graptolites of northern Yukon, Canada - AAPG Bulletin (46), 30-45 (journal article, English)
C. Lochman, 1938 - Middle and upper Cambrian Faunas from western Newfoundland - Journal of Paleontology (12), 461-477 (journal article, English)
R. Ruedemann, 1925 - The Utica and Lorraine formations of New York. Part 2. Systematic paleontology No. 1. Plants, sponges, corals, graptolites, crinoids, worms, bryozoans, brachiopods - New York State Museum Bulletin (262), 5-171 (journal article, English)
R. Ruedemann, 1908 - Graptolites of New York: Pt. II, Graptolites of the Higher Beds - New York State Museum Memoir (11), 457-583 (journal article, English)
E. Emmons, 1855 - - American geology (1), 1-251 (book/book chapter, French)