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.
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J. Jin, 2008 - A new genus of Late Ordovician-Early Silurian pentameride brachiopods and its phylogenetic relationships - Acta Palaeontologica Polonica (53), 221-236 (journal article, English)
L. E. Popov, 2005 - Ordovician (Arenig-Caradoc) syntrophiidine brachiopods from the east Baltic region - Palaeontology (48), 739-761 (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)
A. Williams, 2002 - Part H Brachiopoda (revised): Volume 4, Rhynchonelliformea (part) - Treatise on Invertebrate Paleontology (), 921-1688 (serial monograph, English)
J. Jin, 2001 - Late Ordovician Articulate Brachiopods from the Red River and Stony Mountain Formations, Southern Manitoba - (), 1-117 (book, English)
J. Jin, 2000 - Late Ordovician and Early Silurian pentamerid brachiopods from Anticosti Island, Québec, Canada - Palaeontographica Canadiana (18), 1-140 (serial monograph, English)
R.-b. Zhan, 1998 - Late Ordovician brachiopods from the South China Plate, and their palaeogeographical significance - Special Papers in Palaeontology (59), 1-70 (journal article, English)
L.R.M. Cocks, 1997 - Late Ordovician brachiopods from Taimyr, Arctic Russia, and their palaeogeographical significance - Palaeontology (40), 1061-1093 (journal article, )
W. I. Mitchell, 1977 - The Ordovician Brachiopoda from Pomeroy, Co. Tyrone - The Palaeontographical Society Monographs (130), 1-138 (serial monograph, English)
M. G. Bassett, 1974 - A review of Silurian brachiopods from Gotland - Fossils and Strata (), 1-56 (serial monograph, )
A. D. Wright, 1974 - A revision of the Upper Ordovician brachiopod "Pentamerus angulosus Törnquist" - Geologiska Föreningens Förhandlingar (96), 237-246 (journal article, English)
J. G. Johnson, 1970 - Great Basin Lower Devonian Brachiopoda - Geological Society of America Special Paper (), 1-421 (journal article, English)
A. Williams, 1962 - The Barr and lower Ardmillan series (Caradoc) of the Girvan District, south-west Ayrshire, with descriptions of the Brachiopoda - Memoir - Geological Society of London (3), 1-267 (journal article, English)
T. W. Amsden, 1958 - Stratigraphy and paleontology of the Hunton Group in the Arbuckle Mountain Region. Part II - Haragan articulate brachiopods - Oklahoma Geological Survey Bulletin (78), 1-144 (serial monograph, English)
C. Schuchert, 1929 - New names for brachiopod homonyms - American Journal of Science, Series 5 (17), 119-122 (journal article, English)
F. R. C. Reed, 1917 - The Ordovician and Silurian Brachiopoda of the Girvan District - Transactions of the Royal Society of Edinburgh (51), 795-998 (journal article, English)
J. Hall, 1847 - Containing descriptions of the organic remains of the lower division of the New York system (equivalent of the Lower Silurian rocks of Europe) - Paleontology of New York (1), 1-338 (serial monograph, )