The Genus Heliophyllum (Anthozoa Rugosa) in the upper Middle Devonian (Givetian)
W.A. Oliver, Jr., J.E. Sorauf
Pages: 72, 31 pls., 3 text-figs., 3 tables
Issue: 362
Year published: 2002
W.A. Oliver, Jr., J.E. Sorauf
Pages: 72, 31 pls., 3 text-figs., 3 tables
Issue: 362
Year published: 2002