References

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  • Oji, T (1986) Skeletal variation related to arm regeneration in Metacrinus and Saracrinus, recent stalked crinoids. Lethaia, 19: 355-360.
  • Oji, T (1989) Growth rate of stalk of Metacrinus rotundus (Echinodermata: Crinoidea) and its functional significance. Journal of the Faculty of Science, University of Tokyo 22: 39-51.
  • Oji, T and Amemiya, S (1998) Survival of crinoid stalk fragments and its taphonomic implications. Paleontological Research 2(1): 67-70.
  • Oji, T and Okamoto, T (1994) Arm autonomy and arm branching pattern as anti-predatory adaptations in stalked and stalkless crinoids. Paleobiology 20(1): 27-39.