Fossil evidence for the relationships of extant echinoderm classes and their times of divergence
Smith, A.B. (1988). Fossil evidence for the relationships of extant echinoderm classes and their times of divergence, in: Paul, C.R.C. et al. (Ed.) Echinoderm phylogeny and evolutionary biology. pp. 85-97 In: Paul, C.R.C.; Smith, A.B. (Ed.) (1988). Echinoderm phylogeny and evolutionary biology. Current Geological Concepts, 1. Clarendon Press: Oxford. ISBN 0-19-854491-X. 373 pp., more In: Current Geological Concepts, more |