Joan Echols
A New Genus of Pennsylvanian Fish (Crossopterygii, Coelacanthiformes) from Kansas
Joan Echols · 2010
Public domain, Project Gutenberg. No sign-up.
Synaptotylus newelliCoelacanthiformesFishes, Fossil
Joan Echols · 2010
Public domain, Project Gutenberg. No sign-up.