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.
R. Van Der Laan, 2019 - Family-group names of fossil fishes - European Journal of Taxonomy (466), 1-167 (journal article, English)
J. A. Long, 2011 - - The Rise of Fishes: 500 Million Years of Evolution (Second Edition) (), 1-287 (book, English)
D. K. Elliott, 2010 - A new species of Ariaspis (Agnatha, Heterostraci) from the Late Silurian of the Canadian Arctic - Journal of Vertebrate Paleontology (30), 1874-1878 (journal article, English)
S. V. Moloshnikov, 2009 - Oredezhosteus, a New Psammosteid Genus (Heterostraci, Psammosteiformes) from the Lower Frasnian (Upper Devonian) of the Main Devonian Field - Paleontological Journal (43), 197-200 (journal article, English)
L. I. Novitskaya, 2008 - Evolution of Taxonomic Diversity in Amphiaspids (Agnatha, Heterostraci: Amphiaspidiformes) and the Causes of Extinction in Ecologically Favorable Conditions - Paleontological Journal (42), 181-191 (journal article, English)
S. V. Moloshnikov, 2007 - Psammosteiforms (Agnatha, Heterostraci) from the Lower Frasnian of the Mikhailovskii Mine, Kursk Region, Russia - Paleontological Journal (41), 84-88 (journal article, English)
M. Dumbrava, 2005 - Review of the Pteraspidiform heterostracans (Vertebrata, Agnatha) from the Devonian of Podolia, Ukraine, in the Theodor Vascautanu Collection, Bucharest, Romania - Acta Palaeontologica Romanniae (5), 163-171 (journal article, English)
I. J. Sansom, 2005 - Late Ordovician vertebrates from the Bighorn Mountains of Wyoming - Palaeontology (48), 31-48 (journal article, English)
V. Karatajute-Talimaa, 2004 - Tesakoviaspis concentrica: microskeletal remains of a new order of vertebrate from the Upper Ordovician and Lower Silurian of Siberia - Recent Advances in the Origin and Early Radiation of Vertebrates (), 53-64 (book/book chapter, English)
J. J. Sepkoski, Jr., 2002 - A compendium of fossil marine animal genera - Bulletins of American Paleontology (363), 1-560 (serial monograph, English)
A. R. M. Blieck, 2002 - Upper Silurian and Devonian heterostracan pteraspidomorphs (Vertebrata) from Severnaya Zemlya (Russia): a preliminary report with biogeographical and biostratigraphical implications - Geodiversitas (24), 805-820 (journal article, English)
T. M. Marss, 2002 - New thelodont (Agnatha) and possible chondrichthyan (Gnathostomata) taxa established in the Silurian and Lower Devonian of the Canadian Arctic Archipelago - Proceedings of the Estonian Academy of Sciences, Geology (51), 88-120 (journal article, English)
T. Marss, 2002 - Ordovician and Lower Silurian thelodonts from Severnaya Zemlya Archipelago (Russia) - Geodiversitas (24), 381-404 (journal article, English)
D. L. Dineley, 1999 - Chapter 4. Early Devonian fossil fishes sites of the Welsh Borders - Fossil Fishes of Great Britain (), 2731- (book/book chapter, English)
D. L. Clark, 1999 - Probable Microvertebrates, Vertebrate-like Fossils, and Weird Things from the Wisconsin Ordovician - Journal of Paleontology (73), 1201-1209 (journal article, English)
I. J. Sansom, 1997 - Astraspis, the anatomy and histology of an Ordovician fish - Palaeontology (40), 625-643 (journal article, English)
D. K. Elliot, 1997 - Use of vertebrates to solve biostratigraphic problems: Examples from the Lower and Middle Devonian of western North America - Paleozoic Sequence Stratigraphy, Biostratigraphy, and Biogeography: Studies in Honor of J. Granville ("Jess") Johnson (321), 179-188 (book chapter, English)
D. K. Elliott, 1996 - New Early Devonian pteraspidids (Agnatha, Heterostraci) from Death Valley National Monument, southeastern California - Journal of Paleontology (70), 152-161 (journal article, English)
D. K. Elliot, 1989 - A new agnathan from the lower Devonian of Arctic Canada, and a review of the tessellated heterostracans - Palaeontology (32), 883-891 (journal article, English)
A. Blieck, 1984 - Les Hétérostracés Ptéraspidiformes, Agnathes du Silurien-Dévonien du Continent nord-atlantique et des blocs avoisinants: révision systématique, phylogénie, biostratigraphie, biogéographie - Cahiers de Paleontologie (), 1-190 (serial monograph, French)
T. Brockelie, 1976 - An early Ordovician vertebrate - Nature (260), 36-38 (journal article, English)
E. J. Loeffler, 1976 - A new species of Corvaspis (Agnatha, Heterostraci) from the upper Silurian to lower or middle Devonian of the North-west Territories, Canada - Palaeontology (19), 757-766 (journal article, English)
R. H. Denison, 1970 - A revised classificiation of Pteraspididae with description of new forms from Wyoming - Fieldiana: Geology (20), 1-41 (serial monograph, English)
R. H. Denison, 1966 - Cardipeltis: an early Devonian agnathan of the order Heterostraci - Fieldiana, Geology (16), 89-116 (journal article, English)
D. V. Obruchev, 1964 - Branch Agnatha - In D. V. Obruchev (ed.), Fundamentals of Paleontology. Vol. XI. Agnatha, Pisces. Izdatel'stvo "Nauka", Moscow (), 36-167 (book/book chapter, English)
D. S. Jordan, 1963 - The Genera of Fishes and a Classification of Fishes - Stanford University Press (), 1-816 (book, English)
R. H. Denison, 1963 - New Silurian Heterostraci from Southeastern Yukon - Fieldiana Geology (14), 105-141 (journal article, English)
T. Orvig, 1958 - Pycnaspis splendens, new genus, new species, a new ostracoderm from the upper Ordovician of North America - Proceedings of the United States National Museum (108), 1-23 (journal article, English)
E. I. White, 1941 - Notes on the nomenclature of fossil fishes. III. Homonyms M-Z - The Annals and Magazine of Natural History, Eleventh Series (7), 395-400 (journal article, English)
J. Kiaer, 1935 - The Downtonian and Devonian vertebrates of Spitsbergen. V. Suborder Cyathaspida. Part I. Tribe Poraspidei, Family Poraspidae Kiaer - Skrifter om Svalbard og Ishavet (40), 1-138 (serial monograph, English)
W. L. Bryant, 1933 - The Fish Fauna of Beartooth Butte, Wyoming - Proceedings of the American Philosophical Society (72), 285-314 (journal article, English)
W. L. Bryant, 1932 - Lower Devonian Fishes of Bear Tooth Butte, Wyoming - Proceedings of the American Philosophical Society (71), 225-254 (journal article, English)
E. B. Branson, 1931 - The Journal of Geology - (39), 509-531 (journal article, English)
O. Jaekel, 1911 - - Die Wirbeltiere. Eine Übersicht über die Fossilen und Lebenden Formen [The Vertebrates. An Overview of the Fossil and Living Forms] (), viii-252 (book, German)
L. Dollo, 1909 - The fossil vertebrates of Belgium - Annals of the New York Academy of Science (19), 99-119 (journal article, English)
O. P. Hay, 1902 - - Bibliography and Catalogue of the Fossil Vertebrata of North America. Bulletin of the United States Geological Survey (179), 1-868 (serial monograph, English)
C. D. Walcott, 1892 - Preliminary notes on the discovery of a vertebrate fauna in Silurian (Ordovician) strata - Geological Society of America Bulletin (3), 153-172 (journal article, English)
A. S. Woodward, 1891 - Catalogue of the Fossil Fishes in the British Museum (Natural History). Part II - Catalogue of the Fossil Fishes in the British Museum (Natural History) (2), - (book/book chapter, English)
F. M'Coy, 1848 - On some new Fossil Fish of the Carboniferous Period - The Annals and Magazine of Natural History, Second Series (2), 1-10 (journal article, English)
L. Agassiz, 1843 - - Recherches Sur Les Poissons Fossiles. Tome I (livr. 18). Imprimerie de Petitpierre, Neuchatel (), xxxii-188 (book, English)
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