Newell, Norman Dennis, 1909-Boyd, Donald Wilkin.2005-10-062005-10-061990http://hdl.handle.net/2246/50617 p. : ill. ; 26 cm.Includes bibliographical references (p. 7)2739979 bytesapplication/pdfen-USQL1 .A436 no.2970 1990Limipecten.Limipectininae.Paleontology -- Carboniferous.Nacre in a Carboniferous pectinoid mollusc and a new subfamily Limipectininae. American Museum novitates ; ; no. 2970.text