Pamphlet Series

Devonian and Silurian Fossils (click on the image or the name below for a detailed view)
	Devonian
	Figs. 1, 2. Eatonia singularis (Vanuxem).
	Fig. 3. Eatonia peculiaris (Conrad).
	Figs. 4, 5. Eatonia sinuata Hall.
	Fig. 6. Spirifer macropleura (Conrad).
	Fig. 7. Rhipidomella assimilis (Hall).
	Fig. 8. Spirifer murchisoni Castelnau.
	Fig. 9. Phacops rana (Green).
	Fig. 10. Grammysia arcuata (Conrad).
	Fig, 11. Spirorbis gyrus Clarke.
	Fig. 12. Bellerophon (Bucanopsis) leda Hall.
	Fig. 13. Pterinea nodocosta Clarke.
	Fig. 14. Orthoceras constrictum Vanuxem.
	Fig. 15. Spirifer mesastrialis Hall.
	Fig. 16. Spirifer disjunctus Sowerby.
	Fig. 17. Palaeaster clarki Clarke.
	Fig. 18. Turbo coronula Clarke.
	Fig. 19. Buchiola retrostriata v. Buch.
	Silurian
	Figs. 20-23. Whitfieldella intermedia Hall.
	Fig. 24. Arthrophycus harlani Conrad (greatly reduced).
	Figs. 25-27. Spirifer octocostatus Hall.
	Fig. 28. Hyatella congesta Conrad.
	Fig. 29. Tentaculites niagarensis var cumberlandiae Hall
	Figs. 30, 31. Sphaerocystites multifasciatus Hall.
	Fig. 32. Palaeaspis americana Claypole (Restored).

Clark, W.B., et al., 1906, Volume VI, Maryland Geological Survey, Baltimore, MD