Science. 1968 Mar 15;159(3820):1231-3. doi: 10.1126/science.159.3820.1231.
Science (New York, N.Y.)
P W Bretsky
PMID: 17814842 DOI: 10.1126/science.159.3820.1231
Communities of Paleozoic shelf invertebrates underwent varied rates of change in faunal composition. Notable changes took place during Late Devonian-Early Mississippian time and were most noticeable in ofishore brachiopod-dominated communities. Near-shore molluscan communities remained relatively stable throughout the Paleozoic.