On some new Silurian [Ordovician] crinoids and shells

• 1 October 1871
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. s3-2  (10) , 295-299
• https://doi.org/10.2475/ajs.s3-2.10.295

Abstract

Keywords

• ORDOVICIAN
• NEW SILURIAN
• CRINOIDS AND SHELLS