Fortey, Richard A.

Trilobite! : = eyewitness to evolution / by: Fortey, Richard A. (Language materials, printed)

Life : = a natural history of the first four billion years of life on earth / by: Fortey, Richard A. (Language materials, printed)

Lower ordovician trilobites of the kirtonryggen formation, spitsbergen by: Fortey, Richard A.; Bruton, David L. (Electronic resources)