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Protaspis
THE CLASSIFICATION and EVOLUTION of the HETEROSTRACI Since 1858, When Huxley Demonstrated That in the Histological Struc
Devonian Jawless Vertebrates
Revision of Psammosteus Livonicus Obruchev (Agnatha, Heterostraci) from the Devonian Amata Regional Stage of the NW of the East European Platform
Family-Group Names of Fossil Fishes
NOTES on the ORIGIN of BONY ARMOR" D ARWIN's Eager Search
Family-Group Names of Fossil Fishes
Family-Group Names of Fossil Fishes
Morphospace Saturation in the Stem-Gnathostomes Pteraspidiformes Heterostracans: an Early Radiation of a ‘Bottom’ Heavy Clade
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