南极惊现史前怪异菊石，寿命超过200岁！(5)

参考文献：
1.WIEDMANN, J. (1969). THE HETEROMORPHS AND AMMONOID EXTINCTION. Biological Reviews, 44(4), 563–602. doi:10.1111/j.1469-185x.1969.tb00612.x
2.Wiedmann, J., & Kakabadze, M. V. (1993). Suture investigations and the classification of Cretaceous heteromorph ammonites. Geobios, 26, 393–399. doi:10.1016/s0016-6995(06)80392-x .
3.KLUG, C., RIEGRAF, W., & LEHMANN, J. (2012). Soft-part preservation in heteromorph ammonites from the Cenomanian-Turonian Boundary Event (OAE 2) in north-west Germany. Palaeontology, 55(6), 1307–1331.doi:10.1111/j.1475-4983.2012.01196.x
图片 / 网络（侵删）
文字 / 江氏小盗龙（江泓）
排版 / 江氏小盗龙