Nisiyama, S. 1948. Astrodapsis in Japan. Journal of Paleontology 22, 601-605.
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Nisiyama, S.
1948
Astrodapsis in Japan
Journal of Paleontology
22: 601-605
Publication
from Kier & Lawson (1978)
Describes Astrodapsis nipponicus n.sp., an echinoderm of Mio-Pliocene age, from the basal part of the Suenomatsuyama formation of the Suenomatsuyama group, near Kita-Fukuokamachi, Iwate prefecture, Japan.