Placenticeras meeki
1996. | Placenticeras meeki Hewitt, R. A. 1996 p. 315, table 2 |
1987. | Placenticeras intercalare Meek Tanabe, K. & Shigeta, Y. 1987 p. 166, fig. 2-7A,B |
Condition: | Present |
Taxonomy: | Mollusca: Cephalopoda: |
Geologic Time: | Mesozoic: |
Hewitt, R. A., 1996: Architecture and strength of the ammonoid shell. In: Landman, N. H., Tanabe, K. and Davis, R. A. (eds.) Ammonoid Paleobiology, Volume 13 of Topics in Geobiology, pp. 297–338. Plenum Press, New York. (Reference No. 0722) |
Tanabe, K. and Shigeta, Y., 1987: Ontogenetic shell variation and streamlining of some Cretaceous ammonites. Transactions and Proceedings of the Palaeontological Society of Japan. New Series, no. 147, pp. 165–179. (Reference No. 0702) |
Ito, Y. et al., 2008, no. 74, p. 7. |
Ichikawa, T., 1995, no. 33, p. 55. |