Klapper, Gilbert
Silurian-Lower Devonian conodont sequence in the Roberts Mountains Formation of central Nevada - Berkeley, CA University of California Press 1974 - pp. 1-62 ilus., láms.
CONODONTA
DEVONICO
SILURICO
ESTADOS UNIDOS
Silurian-Lower Devonian conodont sequence in the Roberts Mountains Formation of central Nevada - Berkeley, CA University of California Press 1974 - pp. 1-62 ilus., láms.
CONODONTA
DEVONICO
SILURICO
ESTADOS UNIDOS