Pamphlet Series
	contact: Jim Reger (jreger@mgs.md.gov)

Cambro-Ordovician Fossils (click on the image or the name below for a detailed view)
	Ordovician
	Fig. 1. Isotelus maximus Locke (greatly reduced).
	Fig. 2. Trinucleus concentricus Eaton.
	Figs. 3, 4. Dinorthis pectinella (Emmons) Hall & Clarke.
	Fig. 5. Rafinesquina alternata (Emmons) Hall & Clarke.
	Fig. 6. Diplograptus foliaceus (Murchison).
	Fig. 7. Maclurea magna LeSueur.
	Fig. 8. Plectambonites sericeus (Sowerby) Hall & Clarke.
	Cambrian
	Figs. 9, 12. Hyolithes communis Billings.
	Figs. 10, 11. Hyolithes communis Billings (transverse sections).
	Figs. 13, 14. Obolella minor Walcott.
	Fig. 15. Micrometra bella (Billings) Walcott.
	Fig. 16. Olenellus thompsoni Hall.
	Fig. 17. Scolithus linearis Halde.

Clark, W.B., et al., 11906, Volume VI, Maryland Geological Survey, Baltimore, MD