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Astraspis
THE CLASSIFICATION and EVOLUTION of the HETEROSTRACI Since 1858, When Huxley Demonstrated That in the Histological Struc
The Need for Sedimentary Geology in Paleontology
Fins, Limbs, and Tails: Outgrowths and Axial Patterning in Vertebrate Evolution Michael I
University of Michigan University Library
Paleontology 6: Paleozoic Era
NOTES on the ORIGIN of BONY ARMOR" D ARWIN's Eager Search
Fishes of the World
An Upper Silurian Vertebrate Horizon
A Redescription of Tesseraspis Mosaica Karatajūtė-Talimaa, 1983
Sacabambaspis Janvieri, Un Heterostraceo Del Ordovicico Superior De Bolivia P.-Y
On Sacabambaspisjanvieri and the Vertebrate Diversity in Ordovician Seas P.-Y
Proceedings of the United States National Museum
Histology and Affinity of the Earliest Armoured Vertebrate
16. Chordate Affinities of the Conodonts
Ordovician Fossils from Wells in the . Williston Basin Eastern Montana
The Spatial and Temporal Diversification of Early Palaeozoic Vertebrates
Chordata - Michel Laurin
Cambrian Chordates and Vetulicolians
Top View
Paleontological Resource Overview of the Royal Gorge Field Office Planning Area
Skeletal Histology of Bothriolepis Canadensis (Placodermi, Antiarchi) and Evolution of the Skeleton at the Origin of Jawed Vertebrates
On the Evolution of the Skulls of Vertebrates with Special Reference
Paleontological Contributions