كتب ذات صلة

Eurypterids of the Devonian Holland Quarry shale of Ohio

Ceratiocaridæ from the upper Devonian measures in Warren County

A revision of the families and genera of the Stylonuracea (Eurypterida)

• Pennsylvanian invertebrates of the Mazon Creek area, Illinois. Trilobitomorpha arthropleurida
  المؤلفون: Richardson, Eugene Stanley
• Pennsylvanian invertebrates of the Mazon Creek area, Illinois
  المؤلفون: Richardson, Eugene Stanley
• A new turtle from the Paleocene of Colorado
  المؤلفون: Schmidt, Karl Patterson