Clinal variation, episodic evolution, and possible parapatric speciation: the trilobite Flexicalymene senaria along an Ordovician depth gradient
JOHN L. CISNE, GEORGE O. CHANDLEE, BRUCE D. RABE, JILL A. COHENVolume:
15
Year:
1982
Language:
english
Pages:
17
DOI:
10.1111/j.1502-3931.1982.tb01697.x
File:
PDF, 1.32 MB
english, 1982