Matsukawa, M.; Ito, M.; Hayashi, K.; Takahashi, O.; Yang, S.Y.; Lim, S.K. (1998). Evaluations of Nonmarine Bivalves as Chronological Indices, Based on Examples From The Lower Cretaceous of East Asia. In: Lucas, S.G.; Kirkland, J.I.; Estep, J.W. (eds) Lower and Middle Cretaceous Terrestrial Ecosystems. New Mexico Museum of Natural History and Science, Bulletin. 14: 125-133.
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Matsukawa, M.; Ito, M.; Hayashi, K.; Takahashi, O.; Yang, S.Y.; Lim, S.K.
1998
Evaluations of Nonmarine Bivalves as Chronological Indices, Based on Examples From The Lower Cretaceous of East Asia. In: Lucas, S.G.; Kirkland, J.I.; Estep, J.W. (eds) Lower and Middle Cretaceous Terrestrial Ecosystems
New Mexico Museum of Natural History and Science, Bulletin