A Guide to the Study of Fishes, Volume 1 (of 2)
CHAPTER XXXII.
THE CLASS OSTRACOPHORI.
Ostracophores.--Nature of Ostracophores.--Orders of Ostracophores.--Order Heterostraci.--Order Osteostraci.--Order Antiarcha.--Order Anaspida. 568
A Guide to the Study of Fishes, Volume 1 (of 2)
THE CLASS OSTRACOPHORI.
Ostracophores.--Nature of Ostracophores.--Orders of Ostracophores.--Order Heterostraci.--Order Osteostraci.--Order Antiarcha.--Order Anaspida. 568