http://reply.papertrans.cn/3/240/23996/23996-21.png
Submitted on: 04 January 2011.
Revised on: 11 January 2011.
Accepted on: 30 January 2011.
PALEOBIOLOGY---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/3/240/23996/23996-23.png
Submitted on: 28 January 2015.
Revised on: 14 February 2015.
Accepted on: 23 February 2015.
PALEOBIOLOGY---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/3/240/23996/23996-25.png
http://reply.papertrans.cn/3/240/23996/23996-26.png
http://reply.papertrans.cn/3/240/23996/23996-27.png
http://reply.papertrans.cn/3/240/23996/23996-28.png
Submitted on: 26 April 2000.
Revised on: 26 May 2000.
Accepted on: 22 June 2000.
PALEOBIOLOGY---CAMBRIDGE UNIV PRESS
Submitted on: 13 June 2011.
Revised on: 03 July 2011.
Accepted on: 27 July 2011.
PALEOBIOLOGY---CAMBRIDGE UNIV PRESS